Spanish Flat Weather Forecast

    • 45
    • 64

    Mostly Cloudy

    • 44
    • 66

    Partly Sunny

    • 44
    • 67

    Mostly Sunny

    • 45
    • 66

    Mostly Sunny

    • 46
    • 68

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

Today 31 Jan North Bay Interior Mountains

Mostly cloudy. Highs in the upper 50s to mid 60s. East Winds around 5 Mph.

Tonight 31 Jan North Bay Interior Mountains

Mostly cloudy. Lows in the mid 40s to lower 50s. Northeast Winds 5 to 10 Mph. Becoming northwest after midnight.

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Spanish Flat Temperature Statistics

January Temperature

Vacaville Nut Tree Airport (18 miles)

  • Lowest 10 January, 2026

    32.6 °F

  • Average January

    49.3 °F

  • Highest 15 January, 2026

    69.7 °F

Climate (2021–Present)

Vacaville Nut Tree Airport (18 miles)

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  • Average Low 2021–2026

    49.2 °F

  • Average 2021–2026

    62.9 °F

  • Average High 2021–2026

    76.8 °F
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