Delevan National Wildlife Refuge Weather Forecast

    • 51
    • 57

    Rain Showers Likely

    • 50
    • 56

    Rain Showers

    • 51
    • 54

    Rain Showers

    • 51
    • 57

    Rain Showers

    • 46
    • 53

    Rain Showers Likely

    • 46
    • 50

    Rain Showers

Today 18 Dec Central Sacramento Valley

Mostly cloudy. Widespread fog. Locally dense in the Morning, then patchy fog in the afternoon. Highs 53 to 59. Southeast Winds up to 10 Mph.

Tonight 18 Dec Central Sacramento Valley

Mostly cloudy. Areas of fog in the Evening, then widespread fog. Locally dense after midnight. A chance of rain Showers after midnight. Lows 46 to 52. Southeast Winds up to 10 Mph with Gusts to around 20 Mph.

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Delevan National Wildlife Refuge Temperature Statistics

December Temperature

Oroville Municipal Airport (28 miles)

  • Lowest 3 December, 2025

    37 °F

  • Average December

    42.4 °F

  • Highest 3 December, 2025

    60.1 °F

Climate (2020–Present)

Oroville Municipal Airport (28 miles)

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  • Average Low 2020–2025

    53.1 °F

  • Average 2020–2025

    64.8 °F

  • Average High 2020–2025

    76.7 °F
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