Foss Reservoir Weather Forecast

    • 73
    • 84

    Increasing Clouds

    • 71
    • 87

    Slight Chance Thunderstorms

    • 72
    • 87

    Slight Chance Thunderstorms

    • 72
    • 88

    Slight Chance Thunderstorms

    • 73
    • 91

    Mostly Sunny

    • 74
    • 93

    Slight Chance Thunderstorms

Today 5 Jul Custer

Mostly sunny. Highs in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 5 Jul Custer

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows around 70. South Winds 5 to 10 Mph.

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Foss Reservoir Temperature Statistics

July Temperature

Elk City Regional Business Airport (13 miles)

  • Lowest 1 July, 2025

    66.9 °F

  • Average July

    75.5 °F

  • Highest 1 July, 2025

    85.1 °F

Climate (2020–Present)

Elk City Regional Business Airport (13 miles)

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  • Average Low 2020–2025

    48.9 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    73.2 °F
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