Delevan National Wildlife Refuge Weather Forecast

    • 60
    • 93

    Mostly Sunny

    • 56
    • 88

    Mostly Sunny

    • 59
    • 90

    Sunny

    • 61
    • 95

    Sunny

    • 62
    • 96

    Sunny

    • 63
    • 97

    Hot

Today 18 Jun Eastern Colusa County

Sunny. Highs around 92. Southeast Winds up to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 18 Jun Eastern Colusa County

Mostly clear. Lows around 59. Southeast Winds 10 to 15 Mph with Gusts to around 25 Mph.

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Delevan National Wildlife Refuge Temperature Statistics

June Temperature

Oroville Municipal Airport (28 miles)

  • Lowest 7 June, 2026

    55.7 °F

  • Average June

    78.8 °F

  • Highest 12 June, 2026

    101.6 °F

Climate (2021–2026)

Oroville Municipal Airport (28 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.8 °F
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