Fallon Weather Forecast

    • 61
    • 84

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 55
    • 72

    Mostly Sunny

    • 53
    • 68

    Mostly Sunny

    • 53
    • 70

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

Today 9 Sep Coastal North Bay Including Point Reyes National Seashore

Partly cloudy in the morning then becoming sunny. Highs in the 70s to mid 80s. Light Winds. Becoming west 5 to 10 Mph in the afternoon.

Tonight 9 Sep Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Lows in the lower 60s. Northwest Winds around 5 Mph.

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Fallon Temperature Statistics

September Temperature

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

  • Lowest 5 September, 2026

    46.7 °F

  • Average September

    64.7 °F

  • Highest 7 September, 2026

    88 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    72.8 °F
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