Harrisburg Weather Forecast

    • 72
    • 89

    Mostly Cloudy

    • 73
    • 90

    Slight Chance Thunderstorms

    • 68
    • 91

    Chance Thunderstorms

    • 66
    • 84

    Chance Rain Showers

    • 68
    • 87

    Partly Sunny

    • 71
    • 91

    Partly Sunny

    • 71
    • 93

    Slight Chance Thunderstorms

Today 21 Jul Lincoln

Partly sunny. Highs in the mid 80s. Southeast Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 21 Jul Lincoln

Mostly cloudy. Lows in the lower 70s. Southeast Winds 10 to 15 Mph. Heat index Values in the upper 90s early this evening.

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Harrisburg Temperature Statistics

July Temperature

Sioux Falls, Foss Field (9.9 miles)

  • Lowest 17 July, 2025

    53.7 °F
  • Average July

    74.7 °F
  • Highest 3 July, 2025

    94.6 °F

Climate (2020–Present)

Sioux Falls, Foss Field (9.9 miles)

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  • Average Low 2020–2025

    38.8 °F
  • Average 2020–2025

    49.8 °F
  • Average High 2020–2025

    60.6 °F
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