Fallon Weather Forecast

    • 42
    • 60

    Increasing Clouds

    • 42
    • 60

    Partly Sunny

    • 44
    • 59

    Partly Sunny

    • 47
    • 62

    Mostly Cloudy

    • 47
    • 63

    Partly Sunny

    • 46
    • 64

    Partly Sunny

Today 6 Dec Coastal North Bay Including Point Reyes National Seashore

Partly cloudy in the morning then becoming sunny. Highs around 60. Northwest Winds 5 to 15 Mph.

Tonight 6 Dec Coastal North Bay Including Point Reyes National Seashore

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s. Northwest 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

    46.9 °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

    45.5 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    72.6 °F
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