Castro Valley, CA - Extended Weather Forecast

08:00 Wednesday

Sunny

5° Feels like 4°

Northeast 7 - 15 km/h

Hourly Clear skies for the next few hours

Wednesday 21 Jan. 18° / 4° 5 - 15 km/h
Thursday 22 Jan. 14° / 6° 13 - 33 km/h
Friday 23 Jan. 13° / 5° 8 - 26 km/h
Saturday 24 Jan. 13° / 5° 13 - 30 km/h
Sunday 25 Jan. 13° / 5° 5 - 18 km/h
Monday 26 Jan. 14° / 5° 9 - 21 km/h
Tuesday 27 Jan. 16° / 4° 9 - 21 km/h

Wednesday, 21 January

Thursday, 22 January

01:00		5°	Clear Feels Like 5°	Northeast 5 - 14 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 97% Dew Point 5 °C Clouds 1% Feels Like 5 °C Visibility 30 km Wind - Average 5 km/h Pressure 1019 hPa Fog No Wind - Gusts 14 km/h Snowline 11811 ft
04:00		6°	Clear Feels Like 6°	Northeast 3 - 14 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 92% Dew Point 5 °C Clouds 2% Feels Like 6 °C Visibility 30 km Wind - Average 3 km/h Pressure 1019 hPa Fog No Wind - Gusts 14 km/h Snowline 11811 ft
07:00		9°	Sunny Feels Like 9°	Northeast 4 - 14 km/h	1 Low SPF: no
	Rain 0% 0 mm Humidity 84% Dew Point 6 °C Clouds 3% Feels Like 9 °C Visibility 35 km Wind - Average 4 km/h Pressure 1020 hPa Fog No Wind - Gusts 14 km/h Snowline 11811 ft
10:00		12°	Sunny Feels Like 12°	Northeast 4 - 14 km/h	1 Low SPF: no
	Rain 0% 0 mm Humidity 79% Dew Point 8 °C Clouds 4% Feels Like 12 °C Visibility 35 km Wind - Average 4 km/h Pressure 1021 hPa Fog No Wind - Gusts 14 km/h Snowline 11811 ft
13:00		15°	Sunny Feels Like 15°	Northeast 1 - 15 km/h	1 Low SPF: no
	Rain 0% 0 mm Humidity 79% Dew Point 12 °C Clouds 6% Feels Like 15 °C Visibility 25 km Wind - Average 1 km/h Pressure 1020 hPa Fog No Wind - Gusts 15 km/h Snowline 11483 ft
16:00		17°	Sunny Feels Like 17°	West 2 - 15 km/h	0 Low SPF: no
	Rain 10% 0 mm Humidity 82% Dew Point 14 °C Clouds 8% Feels Like 17 °C Visibility 14 km Wind - Average 2 km/h Pressure 1018 hPa Fog No Wind - Gusts 15 km/h Snowline 11483 ft
19:00		12°	Scattered clouds Feels Like 12°	Northwest 1 - 12 km/h	0 Low SPF: no
	Rain 10% 0 mm Humidity 90% Dew Point 11 °C Clouds 24% Feels Like 12 °C Visibility 7 km Wind - Average 1 km/h Pressure 1019 hPa Fog No Wind - Gusts 12 km/h Snowline 11483 ft
22:00		7°	Scattered clouds Feels Like 8°	Northeast 2 - 9 km/h	0 Low SPF: no
	Rain 10% 0 mm Humidity 99% Dew Point 7 °C Clouds 41% Feels Like 8 °C Visibility 1 km Wind - Average 2 km/h Pressure 1019 hPa Fog No Wind - Gusts 9 km/h Snowline 11483 ft

Weather:
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Photoprotection (SPF):
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Sunrise and Sunset

Sunrise 07:22 Sunset 17:12

First light 06:53 Midday 12:17 Last light 17:41

Day length 9h 50m

Remaining daylight 8h 59m

Lunar calendar

Mon	Tue	Wed	Thu	Fri	Sat	Sun
		14	15	16	17	18
19	20	21	22	23	24	25
26	27

Air quality in Castro Valley today

Detail

42

Moderate PM₂₅ (26 µg/m³)

Possible health risk.
Enjoy your usual outdoor activities if you do not experience symptoms.
Sensitive people should limit prolonged or intense outdoor activities.

Weather graphs

Maximum Minimum Rainfall