Fallon Weather Forecast

    • 53
    • 75

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 53
    • 69

    Partly Sunny

    • 53
    • 68

    Partly Sunny

    • 53
    • 68

    Partly Sunny

    • 54
    • 66

    Partly Sunny

Today 20 Aug Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the mid 60s to lower 80s. West Winds 5 to 15 Mph.

Tonight 20 Aug Coastal North Bay Including Point Reyes National Seashore

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. Northwest Winds 10 to 20 Mph becoming 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fallon Temperature Statistics

August Temperature

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

  • Lowest 18 August, 2025

    46.9 °F

  • Average August

    70.2 °F

  • Highest 6 August, 2025

    95.6 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    72.8 °F
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