Cromwell Weather Forecast

    • 67
    • 84

    Mostly Cloudy

    • 63
    • 83

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

    • 67
    • 84

    Partly Sunny

    • 73
    • 88

    Slight Chance Thunderstorms

    • 73
    • 90

    Chance Thunderstorms

Today 25 Aug Union

Mostly cloudy. Humid with Highs in the mid 80s. Southeast Winds around 5 Mph, becoming southwest this afternoon.

Tonight 25 Aug Union

Mostly cloudy in the Evening, then becoming partly cloudy. Humid with Lows in the upper 60s. West Winds around 5 Mph.

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Cromwell Temperature Statistics

August Temperature

Creston Municipal Airport (5 miles)

  • Lowest 17 August, 2026

    60.8 °F

  • Average August

    74.3 °F

  • Highest 11 August, 2026

    89.6 °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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