Fallon Weather Forecast

    • 47
    • 63

    Partly Sunny

    • 48
    • 65

    Slight Chance Rain

    • 48
    • 63

    Partly Sunny

    • 46
    • 67

    Mostly Sunny

    • 48
    • 70

    Mostly Sunny

    • 48
    • 71

    Partly Sunny

Today 27 May Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Highs in the upper 50s to mid 60s. West Winds 5 to 10 Mph.

Tonight 27 May Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. A slight chance of rain after midnight. Lows around 50. Southwest Winds around 5 Mph. Becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fallon Temperature Statistics

May Temperature

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

  • Lowest 13 May, 2026

    44.7 °F

  • Average May

    63 °F

  • Highest 19 May, 2026

    89.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    72.8 °F
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