10-Day Weather Forecast for Castro Valley, California 94546 - The Weather Channel | weather.com
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10 Day Weather-

As of 1:39 pm PDT

Today

Partly Cloudy Day Partly Cloudy
84°/51°
Rain drop 0%
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Day

84°
Partly Cloudy Day
W 11 mph

Sunshine and clouds mixed. High 84F. Winds W at 10 to 15 mph.

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  • Humidity
    Humidity29%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:34 pm

Night

51°
Partly Cloudy Night
Rain drop
20%
W 8 mph

Mostly cloudy skies this evening will become partly cloudy after midnight. Low 51F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:41 pm
  • Moonset
    Moonset8:20 am
  • Moon Phase - Day 18 Waning Gibbous

Mon 06

Partly Cloudy Day Partly Cloudy
67°/51°
Rain drop 22%
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Day

67°
Partly Cloudy Day
Rain drop
22%
W 13 mph

Partly cloudy skies. High 67F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity69%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:46 am
  • Sunset
    Sunset7:35 pm

Night

51°
Partly Cloudy Night
Rain drop
11%
W 10 mph

Partly to mostly cloudy. Low 51F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity82%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset8:58 am
  • Moon Phase - Day 19 Waning Gibbous

Tue 07

Partly Cloudy Day Partly Cloudy
67°/53°
Rain drop 11%
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Day

67°
Partly Cloudy Day
Rain drop
11%
WSW 12 mph

Intervals of clouds and sunshine. High 67F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity66%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:44 am
  • Sunset
    Sunset7:36 pm

Night

53°
Partly Cloudy Night
Rain drop
7%
WSW 10 mph

Partly cloudy skies. Low 53F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:40 am
  • Moonset
    Moonset9:43 am
  • Moon Phase - Day 20 Waning Gibbous

Wed 08

Mostly Clear Day Mostly Sunny
70°/56°
Rain drop 7%
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Day

70°
Mostly Clear Day
Rain drop
7%
WSW 13 mph

Sunshine along with some cloudy intervals. High near 70F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity69%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:37 pm

Night

56°
Cloudy
Rain drop
24%
WSW 10 mph

Cloudy. Low 56F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity85%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:33 am
  • Moonset
    Moonset10:35 am
  • Moon Phase - Day 21 Waning Gibbous

Thu 09

Cloudy Cloudy
70°/55°
Rain drop 24%
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Day

70°
Cloudy
Rain drop
24%
WSW 11 mph

Cloudy. High near 70F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:41 am
  • Sunset
    Sunset7:38 pm

Night

55°
Showers
Rain drop
57%
SW 9 mph

Overcast with rain showers at times. Low near 55F. Winds SW at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:21 am
  • Moonset
    Moonset11:32 am
  • Moon Phase - Day 22 Last Quarter

Fri 10

Showers Light Rain
66°/53°
Rain drop 66%
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Day

66°
Showers
Rain drop
66%
SW 9 mph

Cloudy with occasional light rain. High 66F. Winds SW at 5 to 10 mph. Chance of rain 70%.

  • Humidity
    Humidity77%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:40 am
  • Sunset
    Sunset7:39 pm

Night

53°
Mostly Cloudy Night
Rain drop
24%
WNW 8 mph

Mainly cloudy. Low 53F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity84%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:01 am
  • Moonset
    Moonset12:34 pm
  • Moon Phase - Day 22 Last Quarter

Sat 11

Scattered Showers Day AM Showers
66°/50°
Rain drop 34%
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Day

66°
Scattered Showers Day
Rain drop
34%
W 13 mph

Showers in the morning, then partly cloudy in the afternoon. High 66F. Winds W at 10 to 20 mph. Chance of rain 30%.

  • Humidity
    Humidity72%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:39 am
  • Sunset
    Sunset7:40 pm

Night

50°
Partly Cloudy Night
Rain drop
22%
W 11 mph

A few clouds. Low near 50F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:36 am
  • Moonset
    Moonset1:38 pm
  • Moon Phase - Day 23 Waning Crescent

Sun 12

Partly Cloudy Day Partly Cloudy
65°/50°
Rain drop 23%
Add

Day

65°
Partly Cloudy Day
Rain drop
23%
WSW 12 mph

Mostly cloudy skies early, then partly cloudy in the afternoon. High around 65F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:37 am
  • Sunset
    Sunset7:41 pm

Night

50°
Partly Cloudy Night
Rain drop
16%
WSW 10 mph

Partly cloudy early with increasing clouds overnight. Low around 50F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:06 am
  • Moonset
    Moonset2:43 pm
  • Moon Phase - Day 24 Waning Crescent

Mon 13

Partly Cloudy Day Partly Cloudy
68°/50°
Rain drop 13%
Add

Day

68°
Partly Cloudy Day
Rain drop
13%
WSW 11 mph

Mostly cloudy skies early will become partly cloudy later in the day. High 68F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity61%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:36 am
  • Sunset
    Sunset7:42 pm

Night

50°
Partly Cloudy Night
Rain drop
18%
S 9 mph

A few clouds from time to time. Low near 50F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:34 am
  • Moonset
    Moonset3:49 pm
  • Moon Phase - Day 25 Waning Crescent

Tue 14

Partly Cloudy Day Partly Cloudy
69°/52°
Rain drop 16%
Add

Day

69°
Partly Cloudy Day
Rain drop
16%
WSW 10 mph

Partly cloudy. High 69F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:34 am
  • Sunset
    Sunset7:43 pm

Night

52°
Scattered Showers Night
Rain drop
34%
S 7 mph

Partly cloudy during the evening. A few showers developing later during the night. Low 52F. Winds S at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:59 am
  • Moonset
    Moonset4:56 pm
  • Moon Phase - Day 26 Waning Crescent

Wed 15

Partly Cloudy Day Partly Cloudy
71°/51°
Rain drop 24%
Add

Day

71°
Partly Cloudy Day
Rain drop
24%
SW 9 mph

Sunshine and clouds mixed. High 71F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity63%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:33 am
  • Sunset
    Sunset7:44 pm

Night

51°
Scattered Showers Night
Rain drop
40%
SSW 8 mph

Mostly cloudy in the evening then periods of showers after midnight. Low 51F. Winds SSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity77%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:24 am
  • Moonset
    Moonset6:06 pm
  • Moon Phase - Day 27 Waning Crescent

Thu 16

Scattered Showers Day AM Showers
70°/52°
Rain drop 36%
Add

Day

70°
Scattered Showers Day
Rain drop
36%
SW 10 mph

Rain showers early with some sunshine later in the day. High around 70F. Winds SW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity63%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:32 am
  • Sunset
    Sunset7:45 pm

Night

52°
Scattered Showers Night
Rain drop
42%
S 8 mph

Mostly cloudy with some showers late. Low 52F. Winds S at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:50 am
  • Moonset
    Moonset7:18 pm
  • Moon Phase - Day 29 New Moon

Fri 17

Partly Cloudy Day Partly Cloudy
70°/52°
Rain drop 24%
Add

Day

70°
Partly Cloudy Day
Rain drop
24%
SW 10 mph

Partly to mostly cloudy. High around 70F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity64%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:30 am
  • Sunset
    Sunset7:45 pm

Night

52°
Scattered Showers Night
Rain drop
33%
SW 8 mph

Partly cloudy skies early giving way to a few showers after midnight. Low 52F. Winds SW at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity79%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:20 am
  • Moonset
    Moonset8:34 pm
  • Moon Phase - Day 0 New Moon

Sat 18

Partly Cloudy Day Partly Cloudy
72°/53°
Rain drop 24%
Add

Day

72°
Partly Cloudy Day
Rain drop
24%
WSW 11 mph

Sunshine and clouds mixed. High 72F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity63%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:29 am
  • Sunset
    Sunset7:46 pm

Night

53°
Partly Cloudy Night
Rain drop
23%
SSW 9 mph

Partly cloudy skies. Low 53F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:54 am
  • Moonset
    Moonset9:52 pm
  • Moon Phase - Day 1 Waxing Crescent

Sun 19

Partly Cloudy Day Partly Cloudy
73°/53°
Rain drop 20%
Add

Day

73°
Partly Cloudy Day
Rain drop
20%
WSW 11 mph

Partly cloudy skies. High 73F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity59%
  • UV index
    UV Index8 of 11
  • Sunrise
    Sunrise6:27 am
  • Sunset
    Sunset7:47 pm

Night

53°
Partly Cloudy Night
Rain drop
24%
SSW 9 mph

A few clouds. Low 53F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:36 am
  • Moonset
    Moonset11:10 pm
  • Moon Phase - Day 2 Waxing Crescent
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