Cromwell Weather Forecast

    • 64
    • 84

    Rain Showers

    • 52
    • 85

    Rain Showers

    • 44
    • 63

    Mostly Cloudy

    • 44
    • 63

    Mostly Cloudy

    • 47
    • 66

    Mostly Cloudy

    • 52
    • 72

    Slight Chance Thunderstorms

Today 17 May Union

Showers with a chance of Thunderstorms after midnight. Windy with Highs in the mid 80s. Southeast Winds around 10 Mph, increasing to south 20 to 30 Mph. Chance of rain 90 percent.

Tonight 17 May Union

Partly cloudy in the Evening, then becoming cloudy. A chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Breezy with Lows in the mid 60s. South Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

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Cromwell Temperature Statistics

May Temperature

Creston Municipal Airport (5 miles)

  • Lowest 2 May, 2026

    33.8 °F

  • Average May

    58.6 °F

  • Highest 4 May, 2026

    80.6 °F

Climate (2021–Present)

Creston Municipal Airport (5 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    62.1 °F
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