Harrisville Weather Forecast

    • 72
    • 92

    Thunderstorms Likely

    • 70
    • 91

    Chance Thunderstorms

    • 70
    • 94

    Chance Thunderstorms

    • 70
    • 95

    Mostly Sunny

    • 68
    • 93

    Mostly Sunny

    • 67
    • 91

    Partly Sunny

Today 21 Aug Simpson

Mostly sunny. Showers and Thunderstorms likely in the afternoon. Humid with Highs in the lower 90s. North Winds around 5 Mph. Chance of rain 60 percent.

Tonight 21 Aug Simpson

Mostly clear. Near steady temperature in the lower 70s. Light and variable Winds.

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Harrisville Temperature Statistics

August Temperature

Jackson, Jackson International Airport (23.6 miles)

  • Lowest 4 August, 2025

    69.7 °F

  • Average August

    83.2 °F

  • Highest 17 August, 2025

    99.6 °F

Climate (2020–Present)

Jackson, Jackson International Airport (23.6 miles)

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  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    66.9 °F

  • Average High 2020–2025

    78.3 °F
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