Grasmere Reservoir Weather Forecast

    • 52
    • 77

    Becoming Sunny

    • 45
    • 75

    Chance Rain Showers

    • 36
    • 57

    Chance Rain Showers

    • 34
    • 54

    Partly Sunny

    • 38
    • 59

    Chance Rain Showers

    • 35
    • 57

    Chance Rain Showers

Today 9 Oct Southwest Highlands

Sunny. Highs 74 to 82. Breezy.

Tonight 9 Oct Southwest Highlands

Mostly clear. Lows 48 to 54. Windy. South Winds around 25 Mph after midnight. Gusts to 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grasmere Reservoir Temperature Statistics

October Temperature

Mountain Home Air Force Base (47.2 miles)

  • Lowest 6 October, 2025

    40.1 °F

  • Average October

    56.4 °F

  • Highest 2 October, 2025

    75.4 °F

Climate (2020–Present)

Mountain Home Air Force Base (47.2 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    64.9 °F
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