Weather Forecast and Conditions for Castro Valley, California 94546 - The Weather Channel | Weather.com
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76° Sunny
Sunny
Day 78° • Night 46°
Feels Like76°
Sunrise

7:09 am

Sunset

7:21 pm

Temperature
High / Low
78°/46°
Wind
7 mph
Humidity
Humidity
49%
Dew point
Dew Point
56°
Pressure
Pressure
29.97 in
UV index
UV Index
6 of 11
Visibility
Visibility
9 mi
Moon Phase - Day 3
Moon Phase
Waxing Crescent

Hourly Weather-

Now

Sunny Sunny
76°
Rain drop 0%
W 7 mph
Subtract

Sunny

  • Temperature feels like
    Feels Like76°
  • WindW 7 mph
  • Humidity
    Humidity48%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover7%
  • Rain drop
    Rain Amount0 in

2 pm

Sunny Sunny
78°
Rain drop 0%
W 9 mph
Add

Sunny

  • Temperature feels like
    Feels Like78°
  • WindW 9 mph
  • Humidity
    Humidity47%
  • UV index
    UV Index6 of 11
  • Cloud
    Cloud Cover0%
  • Rain drop
    Rain Amount0 in

3 pm

Sunny Sunny
78°
Rain drop 0%
W 11 mph
Add

Sunny

  • Temperature feels like
    Feels Like78°
  • WindW 11 mph
  • Humidity
    Humidity47%
  • UV index
    UV Index5 of 11
  • Cloud
    Cloud Cover12%
  • Rain drop
    Rain Amount0 in

4 pm

Sunny Sunny
76°
Rain drop 0%
W 11 mph
Add

Sunny

  • Temperature feels like
    Feels Like76°
  • WindW 11 mph
  • Humidity
    Humidity48%
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover13%
  • Rain drop
    Rain Amount0 in
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10 Day Weather-

Today

Mostly Clear Day Mostly Sunny
78°/46°
Rain drop 1%
Subtract

Day

78°
Mostly Clear Day
Rain drop
1%
W 11 mph

Plenty of sunshine. High 78F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity49%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:20 pm

Night

46°
Mostly Clear Night
Rain drop
9%
S 7 mph

Mainly clear skies. Low 46F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:22 am
  • Moonset
    Moonset10:57 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Partly Cloudy Day Partly Cloudy
78°/48°
Rain drop 6%
Add

Day

78°
Partly Cloudy Day
Rain drop
6%
WSW 10 mph

Partly cloudy. Continued hot. High 78F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:08 am
  • Sunset
    Sunset7:21 pm

Night

48°
Partly Cloudy Night
Rain drop
16%
SSW 7 mph

Partly cloudy skies. Low 48F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:58 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Sunny Sunny
76°/49°
Rain drop 14%
Add

Day

76°
Sunny
Rain drop
14%
SW 10 mph

Abundant sunshine. High 76F. Winds SW at 10 to 15 mph.

  • Humidity
    Humidity48%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:06 am
  • Sunset
    Sunset7:22 pm

Night

49°
Mostly Clear Night
Rain drop
2%
S 7 mph

A mostly clear sky. Low 49F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:43 am
  • Moonset
    Moonset12:13 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Sunny Sunny
79°/48°
Rain drop 1%
Add

Day

79°
Sunny
Rain drop
1%
WSW 10 mph

Sunny. High 79F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity43%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset7:23 pm

Night

48°
Mostly Clear Night
Rain drop
4%
SSW 7 mph

Mostly clear skies. Low 48F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:37 am
  • Moonset
    Moonset1:25 am
  • Moon Phase - Day 6 Waxing Crescent
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