Fallon Weather Forecast

    • 43
    • 64

    Increasing Clouds

    • 41
    • 64

    Mostly Cloudy

    • 42
    • 63

    Partly Sunny

    • 40
    • 60

    Partly Sunny

    • 39
    • 63

    Mostly Sunny

    • 44
    • 65

    Mostly Cloudy

    • 43
    • 67

    Chance Rain

Today 28 Oct Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Highs in the lower 60s. West Winds around 10 Mph.

Tonight 28 Oct Coastal North Bay Including Point Reyes National Seashore

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fallon Temperature Statistics

October Temperature

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

  • Lowest 14 October, 2026

    37.7 °F

  • Average October

    64.2 °F

  • Highest 3 October, 2026

    102.7 °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

    58.8 °F

  • Average High 2021–2026

    73 °F
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