Castro Valley, CA Weather

07:00 Thursday Artboard
Clear Clear 13° Feels like 13° Southwest Southwest 3 - 9 km/h
reloj Hourly Cloudy intervals for the next few hours
  • Today 2 May Clear 21° / 10° Calm 21 - 41 km/h
  • Tomorrow 3 May Scattered clouds 19° / 10° Calm 21 - 43 km/h
  • Saturday 4 May Moderate rain 90% 21 mm 14° / 9° Calm 25 - 49 km/h
  • Sunday 5 May Clear 16° / 7° Calm 26 - 51 km/h
  • Monday 6 May Clear 16° / 6° Calm 24 - 49 km/h
  • Tuesday 7 May Scattered clouds 17° / 9° Calm 19 - 41 km/h
  • Wednesday 8 May Mist 19° / 7° Calm 13 - 37 km/h

Weather Forecast for Castro Valley, CA Today

, 2 May

Tomorrow

, 3 May
08:00 Clear 13° Clear
Feels Like 13°
Calm Southwest 3 - 9 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 76%
  • Dew Point Dew Point 9 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 9 km/h
  • Snowline Snowline 3400 m
09:00 Scattered clouds 14° Scattered clouds
Feels Like 14°
Calm West 5 - 14 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 69%
  • Dew Point Dew Point 9 °C
  • Clouds Clouds 13%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 18 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 3400 m
10:00 Scattered clouds 16° Scattered clouds
Feels Like 16°
Calm West 7 - 20 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 64%
  • Dew Point Dew Point 9 °C
  • Clouds Clouds 18%
  • Feels Like Feels Like 16 °C
  • Visibility Visibility 16 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 20 km/h
  • Snowline Snowline 3400 m
11:00 Scattered clouds 18° Scattered clouds
Feels Like 18°
Calm West 10 - 24 km/h
UV Index 5 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 61%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 11%
  • Feels Like Feels Like 18 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 3400 m
12:00 Clear 19° Clear
Feels Like 19°
Calm West 10 - 26 km/h
UV Index 7 High SPF: 15-25
  • Rain Rain 0% 0 mm
  • Humidity Humidity 58%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 19 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 26 km/h
  • Snowline Snowline 3400 m
13:00 Clear 20° Clear
Feels Like 20°
Calm West 12 - 29 km/h
UV Index 7 High SPF: 15-25
  • Rain Rain 0% 0 mm
  • Humidity Humidity 57%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 12 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 3500 m
Clear 14:00 Clear 20° Clear
Feels Like 20°
Calm West 16 - 35 km/h
UV Index 7 High SPF: 15-25
Clear 14:00 Clear 20° Clear
Feels Like 20°
Calm West 16 - 35 km/h
UV Index 7 High SPF: 15-25
  • Rain Rain 0% 0 mm
  • Humidity Humidity 58%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 35 km/h
  • Snowline Snowline 3400 m
15:00 Clear 21° Clear
Feels Like 21°
Calm West 19 - 38 km/h
UV Index 5 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 58%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 38 km/h
  • Snowline Snowline 3500 m
16:00 Clear 21° Clear
Feels Like 21°
Calm West 21 - 41 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 59%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 21 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Snowline Snowline 3500 m
Clear 17:00 Clear 20° Clear
Feels Like 20°
Calm West 20 - 41 km/h
UV Index 2 Low SPF: no
Clear 17:00 Clear 20° Clear
Feels Like 20°
Calm West 20 - 41 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 62%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 20 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 41 km/h
  • Snowline Snowline 3400 m
18:00 Clear 19° Clear
Feels Like 19°
Calm West 19 - 40 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 19 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 3400 m
19:00 Clear 17° Clear
Feels Like 17°
Calm West 17 - 36 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 73%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 17 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 3400 m
Clear 20:00 Clear 15° Clear
Feels Like 15°
Calm West 12 - 40 km/h
UV Index 0 Low SPF: no
Clear 20:00 Clear 15° Clear
Feels Like 15°
Calm West 12 - 40 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 82%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 15 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 12 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 3400 m
21:00 Clear sky 14° Clear sky
Feels Like 14°
Calm Southwest 9 - 22 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 87%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 22 km/h
  • Snowline Snowline 3400 m
22:00 Clear sky 13° Clear sky
Feels Like 13°
Calm Southwest 8 - 16 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 92%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 16 km/h
  • Snowline Snowline 3400 m
Clear sky 23:00 Clear sky 12° Clear sky
Feels Like 12°
Calm Southwest 6 - 22 km/h
UV Index 0 Low SPF: no
Clear sky 23:00 Clear sky 12° Scattered clouds
Feels Like 12°
Calm Southwest 6 - 22 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 97%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 22 km/h
  • Snowline Snowline 3500 m
24:00 Scattered clouds 12° Scattered clouds
Feels Like 12°
Calm Southwest 5 - 10 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 99%
  • Dew Point Dew Point 12 °C
  • Clouds Clouds 20%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 16 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 10 km/h
  • Snowline Snowline 3500 m

Pollution in Castro Valley

Detail
14
Good PM₂₅ (6 µg/m³)
  • No risk.
  • Enjoy your usual outdoor activities.

Weather graphs
Maximum Minimum Rainfall

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