Detert Reservoir Weather Forecast

    • 41
    • 66

    Chance Rain

    • 41
    • 65

    Mostly Cloudy

    • 41
    • 57

    Rain Showers

    • 37
    • 56

    Rain Showers Likely

    • 36
    • 63

    Mostly Sunny

    • 38
    • 66

    Mostly Cloudy

    • 36
    • 59

    Rain Showers

Today 8 Feb Southern Lake County

Partly cloudy in the morning then becoming mostly cloudy. Chance of rain in the afternoon. Highs 57 to 68.

Tonight 8 Feb Southern Lake County

Mostly cloudy. Lows 36 to 46.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Detert Reservoir Temperature Statistics

February Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (21.7 miles)

  • Lowest 3 February, 2026

    35.1 °F

  • Average February

    52.3 °F

  • Highest 2 February, 2026

    72.6 °F

Climate (2021–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (21.7 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    72.5 °F
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