Allendale Weather Forecast

    • 54
    • 82

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

Today 31 Aug Western Yolo County Including Capay Valley and Interstate 505

Sunny. Highs 82 to 88. South Winds up to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 31 Aug Western Yolo County Including Capay Valley and Interstate 505

Clear. Lows 50 to 57. Southwest Winds up to 15 Mph with Gusts to around 25 Mph.

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Allendale Temperature Statistics

August Temperature

Vacaville Nut Tree Airport (4.3 miles)

  • Lowest 29 August, 2026

    55 °F

  • Average August

    78.7 °F

  • Highest 3 August, 2026

    105.7 °F

Climate (2021–2026)

Vacaville Nut Tree Airport (4.3 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    62.9 °F

  • Average High 2021–2026

    76.9 °F
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