Fallon Weather Forecast

    • 54
    • 64

    Rain

    • 50
    • 62

    Rain

    • 50
    • 64

    Mostly Sunny

    • 51
    • 66

    Partly Sunny

    • 52
    • 66

    Mostly Sunny

    • 54
    • 70

    Mostly Sunny

Today 2 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy in the morning then becoming partly cloudy. A chance of drizzle in the morning. A slight chance of rain. Highs in the lower 60s. South Winds 5 to 10 Mph.

Tonight 2 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Patchy fog. A chance of rain and a slight chance of drizzle after midnight. Lows in the mid 50s. South Winds around 5 Mph.

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Fallon Temperature Statistics

September Temperature

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

  • Lowest

  • Average September

  • Highest

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

    58.6 °F
  • Average High 2021–2026

    72.9 °F
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