Hourly Weather Forecast for Grassy Key, Florida 33050 - The Weather Channel | Weather.com
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Hourly Weather-

As of 7:26 am EDT
alertLevel3

Small Craft Advisory

Friday, March 20

8 am

Mostly Clear Day Mostly Sunny
65°
Rain drop 4%
N 18 mph
Subtract

Mostly Sunny

  • Temperature feels like
    Feels Like63°
  • WindN 18 mph
  • Humidity
    Humidity91%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover20%
  • Rain drop
    Rain Amount0 in

8:15 am

Mostly Clear Day Mostly Sunny
65°
Rain drop 4%
N 18 mph

9 am

Partly Cloudy Day Partly Cloudy
66°
Rain drop 3%
N 18 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like66°
  • WindN 18 mph
  • Humidity
    Humidity88%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover32%
  • Rain drop
    Rain Amount0 in

10 am

Mostly Clear Day Mostly Sunny
68°
Rain drop 3%
NNE 17 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like68°
  • WindNNE 17 mph
  • Humidity
    Humidity82%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover27%
  • Rain drop
    Rain Amount0 in

11 am

Mostly Clear Day Mostly Sunny
71°
Rain drop 2%
NNE 19 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like71°
  • WindNNE 19 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover20%
  • Rain drop
    Rain Amount0 in

12 pm

Mostly Clear Day Mostly Sunny
73°
Rain drop 2%
NNE 18 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like73°
  • WindNNE 18 mph
  • Humidity
    Humidity69%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover28%
  • Rain drop
    Rain Amount0 in

1 pm

Partly Cloudy Day Partly Cloudy
74°
Rain drop 15%
NNE 17 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like74°
  • WindNNE 17 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index10 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 in
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2 pm

Partly Cloudy Day Partly Cloudy
74°
Rain drop 15%
NE 17 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like74°
  • WindNE 17 mph
  • Humidity
    Humidity62%
  • UV index
    UV Index10 of 11
  • Cloud
    Cloud Cover41%
  • Rain drop
    Rain Amount0 in

3 pm

Partly Cloudy Day Partly Cloudy
75°
Rain drop 15%
NE 17 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like75°
  • WindNE 17 mph
  • Humidity
    Humidity60%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover42%
  • Rain drop
    Rain Amount0 in

4 pm

Partly Cloudy Day Partly Cloudy
74°
Rain drop 15%
NE 18 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like75°
  • WindNE 18 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover41%
  • Rain drop
    Rain Amount0 in

5 pm

Partly Cloudy Day Partly Cloudy
75°
Rain drop 15%
ENE 17 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like75°
  • WindENE 17 mph
  • Humidity
    Humidity62%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover45%
  • Rain drop
    Rain Amount0 in

6 pm

Mostly Clear Day Mostly Sunny
74°
Rain drop 15%
NE 17 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like74°
  • WindNE 17 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover26%
  • Rain drop
    Rain Amount0 in

7 pm

Mostly Clear Day Mostly Sunny
73°
Rain drop 4%
NE 17 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like73°
  • WindNE 17 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover28%
  • Rain drop
    Rain Amount0 in

8 pm

Partly Cloudy Night Partly Cloudy
72°
Rain drop 3%
NE 17 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like73°
  • WindNE 17 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover34%
  • Rain drop
    Rain Amount0 in

9 pm

Clear Night Clear
72°
Rain drop 2%
NE 15 mph
Add

Clear

  • Temperature feels like
    Feels Like72°
  • WindNE 15 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover4%
  • Rain drop
    Rain Amount0 in

10 pm

Clear Night Clear
71°
Rain drop 2%
NE 15 mph
Add

Clear

  • Temperature feels like
    Feels Like71°
  • WindNE 15 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Rain drop
    Rain Amount0 in

11 pm

Clear Night Clear
71°
Rain drop 2%
NNE 16 mph
Add

Clear

  • Temperature feels like
    Feels Like71°
  • WindNNE 16 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover2%
  • Rain drop
    Rain Amount0 in

Saturday, March 21

12 am

Clear Night Clear
71°
Rain drop 2%
NNE 16 mph
Add

Clear

  • Temperature feels like
    Feels Like71°
  • WindNNE 16 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover1%
  • Rain drop
    Rain Amount0 in

1 am

Clear Night Clear
70°
Rain drop 2%
NNE 16 mph
Add

Clear

  • Temperature feels like
    Feels Like70°
  • WindNNE 16 mph
  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover3%
  • Rain drop
    Rain Amount0 in
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2 am

Clear Night Clear
70°
Rain drop 2%
NNE 15 mph
Add

Clear

  • Temperature feels like
    Feels Like70°
  • WindNNE 15 mph
  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover5%
  • Rain drop
    Rain Amount0 in

3 am

Clear Night Clear
69°
Rain drop 2%
NNE 15 mph
Add

Clear

  • Temperature feels like
    Feels Like69°
  • WindNNE 15 mph
  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover4%
  • Rain drop
    Rain Amount0 in

4 am

Clear Night Clear
69°
Rain drop 3%
NNE 14 mph
Add

Clear

  • Temperature feels like
    Feels Like69°
  • WindNNE 14 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover7%
  • Rain drop
    Rain Amount0 in

5 am

Clear Night Clear
69°
Rain drop 3%
NNE 14 mph
Add

Clear

  • Temperature feels like
    Feels Like69°
  • WindNNE 14 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover6%
  • Rain drop
    Rain Amount0 in

6 am

Clear Night Clear
68°
Rain drop 3%
NNE 13 mph
Add

Clear

  • Temperature feels like
    Feels Like68°
  • WindNNE 13 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover2%
  • Rain drop
    Rain Amount0 in

7 am

Clear Night Clear
68°
Rain drop 3%
NNE 13 mph
Add

Clear

  • Temperature feels like
    Feels Like68°
  • WindNNE 13 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover7%
  • Rain drop
    Rain Amount0 in

8 am

Mostly Clear Day Mostly Sunny
68°
Rain drop 3%
NNE 12 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like68°
  • WindNNE 12 mph
  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover28%
  • Rain drop
    Rain Amount0 in

9 am

Partly Cloudy Day Partly Cloudy
69°
Rain drop 3%
NNE 11 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like69°
  • WindNNE 11 mph
  • Humidity
    Humidity73%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 in

10 am

Partly Cloudy Day Partly Cloudy
71°
Rain drop 3%
N 11 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like71°
  • WindN 11 mph
  • Humidity
    Humidity69%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover33%
  • Rain drop
    Rain Amount0 in

11 am

Partly Cloudy Day Partly Cloudy
72°
Rain drop 3%
NNE 11 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like72°
  • WindNNE 11 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover30%
  • Rain drop
    Rain Amount0 in

12 pm

Mostly Clear Day Mostly Sunny
73°
Rain drop 2%
NNE 10 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like73°
  • WindNNE 10 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover25%
  • Rain drop
    Rain Amount0 in

1 pm

Sunny Sunny
74°
Rain drop 2%
NNE 9 mph
Add

Sunny

  • Temperature feels like
    Feels Like74°
  • WindNNE 9 mph
  • Humidity
    Humidity58%
  • UV index
    UV Index10 of 11
  • Cloud
    Cloud Cover8%
  • Rain drop
    Rain Amount0 in
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2 pm

Sunny Sunny
75°
Rain drop 2%
NNE 7 mph
Add

Sunny

  • Temperature feels like
    Feels Like75°
  • WindNNE 7 mph
  • Humidity
    Humidity56%
  • UV index
    UV Index10 of 11
  • Cloud
    Cloud Cover5%
  • Rain drop
    Rain Amount0 in

3 pm

Sunny Sunny
75°
Rain drop 2%
NE 7 mph
Add

Sunny

  • Temperature feels like
    Feels Like75°
  • WindNE 7 mph
  • Humidity
    Humidity55%
  • UV index
    UV Index8 of 11
  • Cloud
    Cloud Cover6%
  • Rain drop
    Rain Amount0 in

4 pm

Mostly Clear Day Mostly Sunny
76°
Rain drop 2%
ENE 7 mph
Add

Mostly Sunny

  • Temperature feels like
    Feels Like76°
  • WindENE 7 mph
  • Humidity
    Humidity54%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover25%
  • Rain drop
    Rain Amount0 in

5 pm

Partly Cloudy Day Partly Cloudy
76°
Rain drop 2%
ENE 7 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like76°
  • WindENE 7 mph
  • Humidity
    Humidity55%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover37%
  • Rain drop
    Rain Amount0 in

6 pm

Partly Cloudy Day Partly Cloudy
75°
Rain drop 6%
NNE 6 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like75°
  • WindNNE 6 mph
  • Humidity
    Humidity57%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover41%
  • Rain drop
    Rain Amount0 in

7 pm

Partly Cloudy Day Partly Cloudy
74°
Rain drop 2%
NNE 5 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like74°
  • WindNNE 5 mph
  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover43%
  • Rain drop
    Rain Amount0 in

8 pm

Partly Cloudy Night Partly Cloudy
73°
Rain drop 2%
NNE 5 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like73°
  • WindNNE 5 mph
  • Humidity
    Humidity59%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover37%
  • Rain drop
    Rain Amount0 in

9 pm

Partly Cloudy Night Partly Cloudy
73°
Rain drop 2%
N 5 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like73°
  • WindN 5 mph
  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover42%
  • Rain drop
    Rain Amount0 in

10 pm

Partly Cloudy Night Partly Cloudy
73°
Rain drop 2%
NNE 6 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like73°
  • WindNNE 6 mph
  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover54%
  • Rain drop
    Rain Amount0 in

11 pm

Mostly Cloudy Night Mostly Cloudy
73°
Rain drop 2%
NNE 6 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like73°
  • WindNNE 6 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover61%
  • Rain drop
    Rain Amount0 in

Sunday, March 22

12 am

Partly Cloudy Night Partly Cloudy
72°
Rain drop 2%
N 5 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like72°
  • WindN 5 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover50%
  • Rain drop
    Rain Amount0 in

1 am

Partly Cloudy Night Partly Cloudy
72°
Rain drop 2%
N 5 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like72°
  • WindN 5 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover35%
  • Rain drop
    Rain Amount0 in
Advertisement

2 am

Partly Cloudy Night Partly Cloudy
72°
Rain drop 2%
N 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like72°
  • WindN 4 mph
  • Humidity
    Humidity67%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover46%
  • Rain drop
    Rain Amount0 in

3 am

Partly Cloudy Night Partly Cloudy
72°
Rain drop 2%
NNW 5 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like72°
  • WindNNW 5 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover38%
  • Rain drop
    Rain Amount0 in

4 am

Partly Cloudy Night Partly Cloudy
72°
Rain drop 2%
N 4 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like72°
  • WindN 4 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover44%
  • Rain drop
    Rain Amount0 in

5 am

Partly Cloudy Night Partly Cloudy
72°
Rain drop 2%
N 3 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like72°
  • WindN 3 mph
  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover38%
  • Rain drop
    Rain Amount0 in

6 am

Partly Cloudy Night Partly Cloudy
71°
Rain drop 2%
N 3 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like71°
  • WindN 3 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover31%
  • Rain drop
    Rain Amount0 in

7 am

Clear Night Clear
71°
Rain drop 2%
NNE 3 mph
Add

Clear

  • Temperature feels like
    Feels Like71°
  • WindNNE 3 mph
  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover6%
  • Rain drop
    Rain Amount0 in
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