Fallon Weather Forecast

    • 36
    • 53

    Mostly Sunny

    • 35
    • 54

    Mostly Sunny

    • 38
    • 55

    Mostly Cloudy

    • 39
    • 57

    Mostly Cloudy

    • 41
    • 58

    Mostly Sunny

    • 42
    • 61

    Partly Sunny

Today 8 Jan Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the mid 50s. North Winds 10 to 20 Mph.

Tonight 8 Jan Coastal North Bay Including Point Reyes National Seashore

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 30s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fallon Temperature Statistics

January Temperature

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

  • Lowest 4 January, 2026

    46.9 °F

  • Average January

    53.7 °F

  • Highest 3 January, 2026

    61 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    72.5 °F
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