Cromwell Weather Forecast

    • 35
    • 57

    Mostly Sunny

    • 42
    • 68

    Increasing Clouds

    • 45
    • 70

    Partly Sunny

    • 49
    • 79

    Rain Showers Likely

    • 43
    • 68

    Mostly Sunny

    • 53
    • 75

    Slight Chance Thunderstorms

    • 52
    • 82

    Partly Sunny

Today 6 May Union

Partly sunny. Near steady temperature in the mid 50s. Northwest Winds 10 to 15 Mph.

Tonight 6 May Union

Partly cloudy this Evening, then clearing. Lows in the mid 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight.

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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

    56.7 °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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