Sacramento River - Collinsville Weather Forecast

    • 61
    • 78

    Becoming Sunny

    • 59
    • 77

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

    • 58
    • 71

    Mostly Sunny

    • 57
    • 74

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

Today 28 Aug Central Solano County Including Fairfield and Vacaville

Mostly cloudy. A slight chance of rain in the morning. Highs 80 to 86. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 28 Aug Central Solano County Including Fairfield and Vacaville

Mostly clear. Lows around 58. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight.

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Sacramento River - Collinsville Temperature Statistics

August Temperature

Concord, Buchanan Field (12.4 miles)

  • Lowest 18 August, 2026

    57 °F

  • Average August

    74.8 °F

  • Highest 2 August, 2026

    100.7 °F

Climate (2021–2026)

Concord, Buchanan Field (12.4 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.3 °F
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