Castro Valley, CA Hourly Weather Forecast

Fri, Nov 13, 2026

Tomorrow

Sat 11/14

High 60°f49°f

Rain likely. Potential for heavy rainfall. High near 60F. Winds SW at 15 to 25 mph. Chance of rain 100%. Rainfall possibly over one inch.

Tomorrow night

Sat 11/14

Low 49°f

53% Precip. / 0.02 in

Rain showers early with clearing later at night. Low 49F. Winds SE at 5 to 10 mph. Chance of rain 50%.

Sunrise 6:46 AM

Sunset 4:58 PM

Moonrise 10:57 AM

Moonset 8:16 PM

Waxing Crescent, 17% visible

Hourly Forecast

12AM

59°

1AM

58°

2AM

34%

58°

3AM

58°

4AM

58°

5AM

57°

6AM

33%

57°

6:46AM

Sunrise

7AM

40%

57°

8AM

88%

58°

9AM

97%

58°

10AM

100%

59°

11AM

100%

58°

12PM

99%

58°

1PM

66%

58°

2PM

46%

59°

3PM

73%

59°

4PM

58°

4:58PM

Sunset

5PM

41%

57°

6PM

61%

56°

7PM

53%

55°

8PM

33%

55°

9PM

54°

10PM

54°

11PM

53°

Time	Conditions	Temp.	Feels Like	Precip	Amount	Cloud Cover	Dew Point	Humidity	Wind	Pressure
12:00 am	Partly Cloudy	59°F	57°F	16%	0in	43%	53°F	80%	10 mph SSE	29.71in
1:00 am	Partly Cloudy	58°F	56°F	19%	0in	52%	52°F	81%	10 mph SE	29.7in
2:00 am	Few Showers	58°F	56°F	34%	0in	83%	53°F	82%	10 mph SE	29.69in
3:00 am	Cloudy	58°F	56°F	11%	0in	81%	53°F	83%	10 mph SSE	29.69in
4:00 am	Mostly Cloudy	58°F	56°F	18%	0in	73%	53°F	84%	9 mph SE	29.67in
5:00 am	Partly Cloudy	57°F	55°F	24%	0in	45%	53°F	85%	10 mph SE	29.66in
6:00 am	Few Showers	57°F	54°F	33%	0.01in	59%	53°F	86%	11 mph SSE	29.65in
7:00 am	Showers	57°F	54°F	40%	0.01in	95%	53°F	85%	14 mph SSE	29.64in
8:00 am	Rain	58°F	55°F	88%	0.05in	100%	54°F	86%	15 mph S	29.63in
9:00 am	Rain	58°F	55°F	97%	0.14in	100%	54°F	86%	17 mph S	29.62in
10:00 am	Rain	59°F	55°F	100%	0.09in	100%	54°F	86%	19 mph S	29.6in
11:00 am	Rain/Wind	58°F	54°F	100%	0.23in	100%	54°F	87%	20 mph SSW	29.6in
12:00 pm	Rain	58°F	54°F	99%	0.12in	100%	53°F	86%	18 mph SSW	29.59in
1:00 pm	Rain	58°F	54°F	66%	0.08in	100%	54°F	87%	15 mph SW	29.59in
2:00 pm	Showers	59°F	56°F	46%	0.02in	70%	54°F	84%	14 mph W	29.6in
3:00 pm	Rain	59°F	57°F	73%	0.05in	100%	52°F	76%	15 mph W	29.61in
4:00 pm	Partly Cloudy	58°F	55°F	24%	0in	56%	51°F	77%	13 mph W	29.64in
5:00 pm	Showers	57°F	54°F	41%	0.01in	58%	50°F	78%	12 mph W	29.66in
6:00 pm	Rain	56°F	54°F	61%	0.03in	100%	51°F	83%	7 mph W	29.69in
7:00 pm	Showers	55°F	54°F	53%	0.01in	67%	51°F	84%	5 mph W	29.72in
8:00 pm	Few Showers	55°F	54°F	33%	0.01in	71%	50°F	84%	5 mph WSW	29.75in
9:00 pm	Mostly Cloudy	54°F	53°F	24%	0in	64%	50°F	84%	6 mph S	29.78in
10:00 pm	Mostly Cloudy	54°F	52°F	16%	0in	67%	49°F	84%	5 mph SSE	29.8in
11:00 pm	Mostly Cloudy	53°F	52°F	24%	0in	74%	48°F	83%	6 mph SE	29.81in

Additional Conditions

Pressure 29.91 in
Visibility 10 miles
Clouds Partly Cloudy
Dew Point46°F
Humidity 77%
Rainfall 0 in
Snow Depth 0 in

KHWD Station History

Almanac for November 12, 2026

Forecast Average Record
Temperature
High 71°F 66°F 75°F 1995
Low 50°F 48°F 34°F 1948
Rain/Snow Depth
Precipitation 0.01 in 4.8 in -
Snow 0 in 0.1 in -

Almanac for November 13, 2026

Forecast Average Record
Temperature
High 60°F 66°F 77°F
Low 52°F 48°F 33°F

Astronomy

Sun Rise Set
Actual Time 6:45 AM 4:59 PM
Civil Twilight 6:17 AM 5:27 PM
Nautical Twilight 5:46 AM 5:58PM
Astronomical Twilight 5:15 AM 6:29 PM

Length of Visible Light 11h 9m
Length of Day 10h 13m
Tomorrow will be 1 minute 50 seconds shorter

Moon 10:11 AM 7:19 PM
Waxing Crescent11% of the Moon is Illuminated

Nov 17

Waxing Half First Qtr

Nov 24

Full Moon

Nov 30

Waning Half Last Qtr

Dec 8

New Moon

Nearby Weather Stations

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