Hartwick Weather Forecast

    • 66
    • 90

    Mostly Sunny

    • 63
    • 84

    Chance Rain Showers

    • 67
    • 84

    Slight Chance Thunderstorms

    • 70
    • 93

    Chance Thunderstorms

    • 64
    • 88

    Chance Rain Showers

    • 60
    • 82

    Partly Sunny

Today 5 Sep Poweshiek

Sunny with Highs in the lower 90s. Northeast Winds 5 to 10 Mph. Heat index Values up to 101.

Tonight 5 Sep Poweshiek

Partly cloudy. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph.

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Hartwick Temperature Statistics

September Temperature

Cedar Rapids Airport (32.3 miles)

  • Lowest 1 September, 2026

    70.6 °F

  • Average September

    81.6 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Cedar Rapids Airport (32.3 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61.5 °F
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