10-Day Weather Forecast for SeaTac, Washington 98158 - The Weather Channel | weather.com
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10 Day Weather-

As of 3:44 pm PDT
alertLevel2

Gale Warning

Tonight

Rain Rain Late
--/42°
Rain drop 93%
Subtract

Night

42°
Rain
Rain drop
93%
ENE 6 mph

Cloudy skies with periods of rain late. Low 42F. Winds light and variable. Chance of rain 90%.

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  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:03 am
  • Moonset
    Moonset12:53 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Rain Rain
54°/41°
Rain drop 99%
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Day

54°
Rain
Rain drop
99%
S 19 mph

Rain. Potential for heavy rainfall. High 54F. Winds S at 15 to 25 mph. Chance of rain 100%. Rainfall near a half an inch.

  • Humidity
    Humidity87%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:03 am
  • Sunset
    Sunset7:27 pm

Night

41°
Partly Cloudy Night
Rain drop
24%
SSW 16 mph

Partly to mostly cloudy. Low 41F. Winds SSW at 10 to 20 mph.

  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:51 am
  • Moonset
    Moonset2:13 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Showers Showers
49°/35°
Rain drop 43%
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Day

49°
Showers
Rain drop
43%
SSW 15 mph

Rain showers in the morning becoming more intermittent in the afternoon. High 49F. Winds SSW at 10 to 20 mph. Chance of rain 40%.

  • Humidity
    Humidity69%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise7:01 am
  • Sunset
    Sunset7:29 pm

Night

35°
Partly Cloudy Night
Mixed precipitation
19%
SSW 13 mph

A few clouds. Low around 35F. Winds SSW at 10 to 15 mph.

  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:55 am
  • Moonset
    Moonset3:19 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Mostly Clear Day Mostly Sunny
54°/35°
Rain drop 7%
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Day

54°
Mostly Clear Day
Rain drop
7%
S 7 mph

Generally sunny. High 54F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:59 am
  • Sunset
    Sunset7:30 pm

Night

35°
Mostly Clear Night
Mixed precipitation
6%
NE 6 mph

Mostly clear. Low near 35F. Winds NE at 5 to 10 mph.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:10 pm
  • Moonset
    Moonset4:11 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Partly Cloudy Day Partly Cloudy
57°/40°
Rain drop 5%
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Day

57°
Partly Cloudy Day
Rain drop
5%
N 11 mph

Sunshine and clouds mixed. High 57F. Winds N at 10 to 15 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:57 am
  • Sunset
    Sunset7:31 pm

Night

40°
Mostly Cloudy Night
Mixed precipitation
6%
NNE 10 mph

Considerable cloudiness. Low around 40F. Winds NNE at 10 to 15 mph.

  • Humidity
    Humidity71%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:29 pm
  • Moonset
    Moonset4:49 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Partly Cloudy Day Partly Cloudy
57°/42°
Rain drop 6%
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Day

57°
Partly Cloudy Day
Rain drop
6%
N 7 mph

Partly to mostly cloudy. High 57F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity66%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:55 am
  • Sunset
    Sunset7:33 pm

Night

42°
Mostly Cloudy Night
Rain drop
9%
ESE 6 mph

Mostly cloudy skies. Low 42F. Winds light and variable.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:49 pm
  • Moonset
    Moonset5:17 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Cloudy Cloudy
56°/40°
Rain drop 24%
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Day

56°
Cloudy
Rain drop
24%
S 7 mph

Overcast. High 56F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity68%
  • UV index
    UV Index2 of 11
  • Sunrise
    Sunrise6:53 am
  • Sunset
    Sunset7:34 pm

Night

40°
Showers
Rain drop
57%
SSE 7 mph

Overcast with rain showers at times. Low near 40F. Winds SSE at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:07 pm
  • Moonset
    Moonset5:38 am
  • Moon Phase - Day 11 Waxing Gibbous

Mon 30

Showers Showers
49°/38°
Rain drop 51%
Add

Day

49°
Showers
Rain drop
51%
SSW 10 mph

Rain showers in the morning becoming more intermittent in the afternoon. High 49F. Winds SSW at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity75%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:51 am
  • Sunset
    Sunset7:36 pm

Night

38°
Showers
Rain drop
34%
SE 8 mph

Cloudy with a few showers. Low 38F. Winds SE at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:21 pm
  • Moonset
    Moonset5:56 am
  • Moon Phase - Day 12 Waxing Gibbous

Tue 31

Mostly Cloudy Day Mostly Cloudy
49°/40°
Rain drop 24%
Add

Day

49°
Mostly Cloudy Day
Rain drop
24%
SW 9 mph

Considerable cloudiness. High 49F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity73%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:49 am
  • Sunset
    Sunset7:37 pm

Night

40°
Scattered Showers Night
Rain drop
40%
ENE 6 mph

Mostly cloudy in the evening then periods of showers after midnight. Low around 40F. Winds light and variable. Chance of rain 40%.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:33 pm
  • Moonset
    Moonset6:12 am
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Showers Showers
52°/39°
Rain drop 50%
Add

Day

52°
Showers
Rain drop
50%
S 8 mph

Cloudy with occasional rain showers. High 52F. Winds S at 5 to 10 mph. Chance of rain 50%.

  • Humidity
    Humidity75%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:39 pm

Night

39°
Showers
Rain drop
56%
SSE 8 mph

Considerable cloudiness with occasional rain showers. Low 39F. Winds SSE at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:43 pm
  • Moonset
    Moonset6:27 am
  • Moon Phase - Day 14 Full Moon

Thu 02

Showers Showers
51°/39°
Rain drop 42%
Add

Day

51°
Showers
Rain drop
42%
SSW 11 mph

Cloudy with occasional rain showers. High 51F. Winds SSW at 10 to 15 mph. Chance of rain 40%.

  • Humidity
    Humidity76%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:45 am
  • Sunset
    Sunset7:40 pm

Night

39°
Showers
Rain drop
43%
S 9 mph

Considerable cloudiness with occasional rain showers. Low 39F. Winds S at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity87%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:54 pm
  • Moonset
    Moonset6:42 am
  • Moon Phase - Day 15 Full Moon

Fri 03

Showers Showers
50°/40°
Rain drop 42%
Add

Day

50°
Showers
Rain drop
42%
SSW 8 mph

Considerable cloudiness with occasional rain showers. High around 50F. Winds SSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity78%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:41 pm

Night

40°
Showers
Rain drop
58%
S 8 mph

Cloudy with showers. Low near 40F. Winds S at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity89%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:05 pm
  • Moonset
    Moonset6:59 am
  • Moon Phase - Day 16 Waning Gibbous

Sat 04

Showers Showers
51°/41°
Rain drop 38%
Add

Day

51°
Showers
Rain drop
38%
SSW 9 mph

Cloudy with showers. High 51F. Winds SSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity79%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:41 am
  • Sunset
    Sunset7:43 pm

Night

41°
Showers
Rain drop
39%
S 8 mph

Overcast with showers at times. Low 41F. Winds S at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:15 pm
  • Moonset
    Moonset7:19 am
  • Moon Phase - Day 17 Waning Gibbous

Sun 05

Scattered Showers Day AM Showers
53°/41°
Rain drop 36%
Add

Day

53°
Scattered Showers Day
Rain drop
36%
SSW 9 mph

Rain showers early with mostly cloudy conditions later in the day. High 53F. Winds SSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity74%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:39 am
  • Sunset
    Sunset7:44 pm

Night

41°
Mostly Cloudy Night
Rain drop
24%
S 8 mph

Mostly cloudy. Low 41F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset7:44 am
  • Moon Phase - Day 18 Waning Gibbous

Mon 06

Partly Cloudy Day Partly Cloudy
52°/42°
Rain drop 24%
Add

Day

52°
Partly Cloudy Day
Rain drop
24%
SSW 9 mph

Mostly cloudy skies early, then partly cloudy in the afternoon. High 52F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity75%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:37 am
  • Sunset
    Sunset7:46 pm

Night

42°
Scattered Showers Night
Rain drop
38%
SSE 8 mph

Partly cloudy in the evening. Increasing clouds with periods of showers after midnight. Low 42F. Winds SSE at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:24 am
  • Moonset
    Moonset8:16 am
  • Moon Phase - Day 19 Waning Gibbous
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