Cromwell Weather Forecast

    • 72
    • 93

    Slight Chance Thunderstorms

    • 69
    • 91

    Rain Showers

    • 67
    • 83

    Rain Showers

    • 69
    • 83

    Chance Thunderstorms

    • 67
    • 84

    Chance Thunderstorms

    • 64
    • 80

    Slight Chance Thunderstorms

Today 11 Aug Union

Mostly cloudy. Humid with Highs in the lower 90s. South Winds 5 to 10 Mph, becoming southwest. Heat index Values up to 101.

Tonight 11 Aug Union

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. East Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 100 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cromwell Temperature Statistics

August Temperature

Creston Municipal Airport (5 miles)

  • Lowest 1 August, 2026

    62.6 °F

  • Average August

    71.7 °F

  • Highest 7 August, 2026

    86 °F

Climate (2021–2026)

Creston Municipal Airport (5 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    62.2 °F
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