Mehlhorn Reservoir Weather Forecast

    • 36
    • 50

    Rain Showers

    • 39
    • 49

    Becoming Sunny

    • 45
    • 58

    Sunny

    • 47
    • 62

    Sunny

    • 49
    • 63

    Partly Sunny

    • 49
    • 63

    Partly Sunny

    • 46
    • 62

    Partly Sunny

Today 14 Sep Baker County

Rain Showers. A chance of Thunderstorms, mainly this afternoon. Areas of fog. Thunderstorms may produce heavy Rainfall, gusty Winds, and small hail this morning. Thunderstorms may produce heavy Rainfall, gusty Winds, and small hail this afternoon. Chance of rain 90 percent. Cooler with Highs 63 to 71. Northwest Winds up to 10 Mph with Gusts to 20 Mph.

Tonight 14 Sep Baker County

Rain Showers likely with a slight chance of Thunderstorms this Evening, then partly cloudy with a slight chance of rain Showers after midnight. Areas of fog. Chance of rain 60 percent. Colder with Lows 37 to 47. Northwest Winds 10 to 15 Mph.

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Mehlhorn Reservoir Temperature Statistics

September Temperature

Baker Municipal Airport (36 miles)

  • Lowest 7 September, 2025

    44.1 °F

  • Average September

    66.2 °F

  • Highest 2 September, 2025

    96.1 °F

Climate (2020–Present)

Baker Municipal Airport (36 miles)

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  • Average Low 2020–2025

    33.7 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    61.6 °F
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