Fallon Weather Forecast

    • 49
    • 76

    Mostly Sunny

    • 47
    • 72

    Increasing Clouds

    • 46
    • 69

    Partly Sunny

    • 46
    • 66

    Patchy Fog

    • 47
    • 63

    Areas Fog

    • 46
    • 63

    Partly Sunny

    • 47
    • 65

    Mostly Sunny

Today 19 May Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the mid 60s to upper 70s. West Winds around 10 Mph.

Tonight 19 May Coastal North Bay Including Point Reyes National Seashore

Mostly clear. Lows in the upper 40s to mid 50s. Northwest Winds 5 to 10 Mph.

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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

    62.4 °F

  • Highest 15 May, 2026

    82.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    72.7 °F
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