Grasmere Reservoir Weather Forecast

    • 32
    • 46

    Chance Snow Showers

    • 31
    • 44

    Chance Snow Showers

    • 32
    • 55

    Mostly Sunny

    • 35
    • 60

    Mostly Sunny

    • 37
    • 63

    Sunny

    • 40
    • 68

    Mostly Sunny

    • 43
    • 72

    Mostly Sunny

Today 11 Oct Southwest Highlands

Increasing Clouds. Widespread rain Showers. Chance of rain 80 percent. Much cooler with Highs 45 to 51.

Tonight 11 Oct Southwest Highlands

Mostly cloudy with a chance of rain and snow Showers. Patchy fog. Chance of precipitation 30 percent. Lows 30 to 35.

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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 3 October, 2026

    44.4 °F

  • Average October

    65.6 °F

  • Highest 4 October, 2026

    89.8 °F

Climate (2021–2026)

Mountain Home Air Force Base (47.2 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    65.7 °F
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