Fallon Weather Forecast

    • 44
    • 51

    Cloudy

    • 48
    • 52

    Rain

    • 52
    • 55

    Rain

    • 48
    • 56

    Rain

    • 45
    • 54

    Rain

    • 45
    • 53

    Rain Likely

    • 43
    • 54

    Rain Likely

Today 30 Dec Coastal North Bay Including Point Reyes National Seashore

Partly cloudy late in the morning then becoming mostly cloudy. Highs in the upper 50s. East Winds 10 to 20 Mph.

Tonight 30 Dec Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. A slight chance of rain after midnight. Lows in the upper 40s. East Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fallon Temperature Statistics

December Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)

  • Lowest 4 December, 2025

    34 °F

  • Average December

    48 °F

  • Highest 3 December, 2025

    68 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    72.5 °F
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