Castro Valley, CA Weather

    13:00 Wednesday
    Scattered clouds
    Scattered clouds
    14° Feels like 14°
    Moderate west wind West 14 - 38 km/h
    • Today 7 Jan. Light rain with partly cloudy skies 50% 0.3 mm 15° / 8° Moderate northwest wind 16 - 39 km/h
    • Tomorrow 8 Jan. Clear 13° / 5° Moderate west wind 16 - 36 km/h
    • Friday 9 Jan. Scattered clouds 13° / 2° Moderate northeast wind 10 - 23 km/h
    • Saturday 10 Jan. Scattered clouds 15° / 2° Moderate east wind 11 - 22 km/h
    • Sunday 11 Jan. Scattered clouds 15° / 1° Gentle northeast wind 8 - 16 km/h
    • Monday 12 Jan. Clear 16° / 2° Gentle northeast wind 5 - 15 km/h
    • Tuesday 13 Jan. Scattered clouds 19° / 4° Gentle northeast wind 5 - 19 km/h

    Weather Forecast for Castro Valley, CA Today

    , 7 January

    Tomorrow

    , 8 January
    13:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Moderate west wind West 14 - 38 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 8 °C
    • Clouds Clouds 35%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 7218 ft
    14:00 Partly cloudy 14° Partly cloudy
    Feels Like 14°
    Moderate west wind West 14 - 37 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 84%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 7546 ft
    15:00 Scattered clouds 13° Scattered clouds
    Feels Like 13°
    Moderate west wind West 15 - 35 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 34%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 7218 ft
    16:00 Clear 13° Sunny
    Feels Like 13°
    Moderate west wind West 15 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 83%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 10%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 7218 ft
    17:00 Clear 12° Sunny
    Feels Like 12°
    Moderate west wind West 13 - 33 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 88%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 7218 ft
    18:00 Scattered clouds 11° Scattered clouds
    Feels Like 11°
    Moderate west wind West 13 - 29 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 89%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 11%
    • Feels Like Feels Like 11 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 29 km/h
    • Snowline Snowline 6890 ft
    19:00 Clear skies 10° Clear
    Feels Like 10°
    Moderate west wind West 14 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 6%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 6562 ft
    Scattered clouds 20:00 Scattered clouds 10° Scattered clouds
    Feels Like 8°
    Moderate west wind West 13 - 32 km/h
    		UV Index 0 Low SPF: no
    20:00 Scattered clouds 10° Scattered clouds
    Feels Like 8°
    Moderate west wind West 13 - 32 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 84%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 18%
    • Feels Like Feels Like 8 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 5906 ft
    21:00 Scattered clouds 10° Scattered clouds
    Feels Like 8°
    Moderate west wind West 12 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 78%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 54%
    • Feels Like Feels Like 8 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 5577 ft
    22:00 Partly cloudy 10° Partly cloudy
    Feels Like 9°
    Moderate west wind West 10 - 25 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point 6 °C
    • Clouds Clouds 68%
    • Feels Like Feels Like 9 °C
    • Visibility Visibility 14 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Snowline Snowline 5249 ft
    Light rain 23:00 Light rain with partly cloudy skies 30% 0.008 mm 10° Light rain
    Feels Like 9°
    Moderate west wind West 11 - 27 km/h
    		UV Index 0 Low SPF: no
    23:00 Light rain with partly cloudy skies 30% 0.2 mm 10° Light rain
    Feels Like 9°
    Moderate west wind West 11 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 30% 0.008 mm
    • Humidity Humidity 84%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 49%
    • Feels Like Feels Like 9 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Snowline Snowline 4921 ft
    24:00 Scattered clouds 10° Scattered clouds
    Feels Like 8°
    Moderate west wind West 13 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 19%
    • Feels Like Feels Like 8 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 4921 ft

    Sunrise and Sunset

    Sunrise 07:23 Sunset 17:05
    First light 06:54 Midday 12:14 Last light 17:34
    Day length 9h 42m

    Remaining daylight 3h 51m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    7 Last Quarter
    8 Last Quarter
    9 Last Quarter
    10 Last Quarter
    11 Last Quarter
    12 Last Quarter
    13 Last Quarter
    14 Last Quarter
    15 Last Quarter
    16 Last Quarter
    17 New Moon
    18 New Moon
    19 New Moon
    20 First Quarter

    Air quality in Castro Valley today

    Detail
    39
    Fair PM₂₅ (24 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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