Harrison Lake Weather Forecast

    • 43
    • 49

    Rain Showers

    • 51
    • 59

    Mostly Sunny

    • 50
    • 64

    Mostly Sunny

    • 49
    • 62

    Mostly Sunny

    • 49
    • 61

    Partly Sunny

    • 49
    • 61

    Mostly Sunny

Today 22 Jul Northern Panhandle

Rain Showers likely and a chance of Thunderstorms in the Morning, then rain Showers and a chance of Thunderstorms in the afternoon. Highs in the upper 60s to upper 70s. Chance of precipitation near 100 percent. Rainfall Amounts up to a half inch Possible, except higher Amounts possible in Thunderstorms.

Tonight 22 Jul Northern Panhandle

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows in the upper 40s to mid 50s. Chance of precipitation 50 percent. Rainfall Amounts up to a half inch Possible, except higher Amounts possible in Thunderstorms.

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Harrison Lake Temperature Statistics

July Temperature

Boundary County Airport (16.8 miles)

  • Lowest 16 July, 2025

    44.6 °F

  • Average July

    69.2 °F

  • Highest 1 July, 2025

    93.2 °F

Climate (2020–Present)

Boundary County Airport (16.8 miles)

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  • Average Low 2020–2025

    37.4 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.4 °F
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