Castro Valley, CA - Extended Weather Forecast

00:00 Friday Artboard
Partly cloudy Partly cloudy 12° Feels like 12° First Quarter First Quarter Illuminated: 71%
reloj Hourly Overcast skies for the next few hours
  • Friday 24 May Scattered clouds 16° / 9° Calm 22 - 47 km/h
  • Saturday 25 May Scattered clouds 19° / 8° Calm 21 - 46 km/h
  • Sunday 26 May Scattered clouds 20° / 11° Calm 17 - 40 km/h
  • Monday 27 May Scattered clouds 20° / 10° Calm 20 - 44 km/h
  • Tuesday 28 May Scattered clouds 21° / 9° Calm 21 - 45 km/h
  • Wednesday 29 May Scattered clouds 22° / 9° Calm 17 - 40 km/h
  • Thursday 30 May Scattered clouds 19° / 10° Calm 17 - 40 km/h
Friday, 24 May Saturday, 25 May
02:00 Scattered clouds 9° Scattered clouds
Feels Like 7°
Calm Southwest 13 - 35 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 97%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 24%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 35 km/h
  • Snowline Snowline 3300 m
05:00 Scattered clouds 9° Scattered clouds
Feels Like 7°
Calm Southwest 16 - 29 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 94%
  • Dew Point Dew Point 9 °C
  • Clouds Clouds 47%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 3300 m
08:00 Scattered clouds 12° Scattered clouds
Feels Like 12°
Calm West 18 - 34 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 82%
  • Dew Point Dew Point 9 °C
  • Clouds Clouds 24%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 34 km/h
  • Snowline Snowline 3300 m
11:00 Clear 14° Clear
Feels Like 14°
Calm West 20 - 43 km/h
UV Index 6 High SPF: 15-25
  • Rain Rain 0% 0 mm
  • Humidity Humidity 69%
  • Dew Point Dew Point 9 °C
  • Clouds Clouds 2%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 20 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 43 km/h
  • Snowline Snowline 3300 m
14:00 Clear 15° Clear
Feels Like 15°
Calm West 22 - 46 km/h
UV Index 5 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 61%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 5%
  • Feels Like Feels Like 15 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 22 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 46 km/h
  • Snowline Snowline 3300 m
17:00 Clear 15° Clear
Feels Like 15°
Calm West 22 - 47 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 58%
  • Dew Point Dew Point 7 °C
  • Clouds Clouds 8%
  • Feels Like Feels Like 15 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 22 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 47 km/h
  • Snowline Snowline 3300 m
20:00 Clear 13° Clear
Feels Like 13°
Calm West 18 - 47 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 71%
  • Dew Point Dew Point 8 °C
  • Clouds Clouds 4%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 18 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 47 km/h
  • Snowline Snowline 3200 m
23:00 Clear sky 10° Clear sky
Feels Like 10°
Calm West 12 - 44 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 88%
  • Dew Point Dew Point 9 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 10 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 12 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 44 km/h
  • Snowline Snowline 3100 m

Pollution in Castro Valley

Detail
21
Fair O₃ (50 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs
Maximum Minimum Rainfall
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