Upper Harrison Lake Weather Forecast

    • 49
    • 72

    Increasing Clouds

    • 55
    • 77

    Decreasing Clouds

    • 46
    • 83

    Slight Chance Rain Showers

    • 36
    • 59

    Rain Showers Likely

    • 33
    • 51

    Rain Showers Likely

    • 32
    • 51

    Slight Chance Rain Showers

    • 34
    • 59

    Partly Sunny

Today 21 Oct Garden

Mostly sunny. Highs in the lower 60s.

Tonight 21 Oct Garden

Partly cloudy. Patchy fog after midnight. Lows around 50. Southeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Harrison Lake Temperature Statistics

October Temperature

Alliance, Alliance Municipal Airport (25.5 miles)

  • Lowest 16 October, 2026

    25.6 °F

  • Average October

    55.4 °F

  • Highest 5 October, 2026

    88.6 °F

Climate (2021–2026)

Alliance, Alliance Municipal Airport (25.5 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    64.9 °F
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