Upper Harrison Lake Weather Forecast

    • 57
    • 89

    Slight Chance Thunderstorms

    • 58
    • 87

    Mostly Sunny

    • 64
    • 98

    Breezy

    • 59
    • 95

    Chance Thunderstorms

    • 57
    • 87

    Chance Thunderstorms

    • 62
    • 96

    Slight Chance Thunderstorms

Today 4 Jun Garden

Sunny. Highs in the upper 80s. South Winds 10 to 20 Mph.

Tonight 4 Jun Garden

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 50s. Southeast Winds 10 to 20 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Harrison Lake Temperature Statistics

June Temperature

Alliance, Alliance Municipal Airport (25.5 miles)

  • Lowest 1 June, 2026

    48 °F

  • Average June

    63.7 °F

  • Highest 2 June, 2026

    81 °F

Climate (2021–Present)

Alliance, Alliance Municipal Airport (25.5 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    64.8 °F
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