Fallon Weather Forecast

    • 50
    • 67

    Rain Showers Likely

    • 44
    • 60

    Chance Rain Showers

    • 40
    • 65

    Mostly Sunny

    • 42
    • 68

    Partly Sunny

    • 43
    • 68

    Partly Sunny

    • 43
    • 66

    Partly Sunny

    • 44
    • 66

    Partly Sunny

Today 21 Oct Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. A chance of Showers. Highs in the mid 60s. West Winds around 5 Mph.

Tonight 21 Oct Coastal North Bay Including Point Reyes National Seashore

A chance of Showers in the Evening, then Showers likely after midnight. Patchy fog after midnight. Lows in the mid 50s. West Winds around 5 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

    66.3 °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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