Cromwell Weather Forecast

    • 51
    • 61

    Cloudy

    • 53
    • 66

    Partly Sunny

    • 56
    • 64

    Rain Showers Likely

    • 57
    • 66

    Rain Showers Likely

    • 59
    • 67

    Chance Rain Showers

    • 61
    • 75

    Slight Chance Rain Showers

Today 22 Sep Union

Cloudy. A chance of drizzle Early, then a slight chance of drizzle this morning. Patchy fog. Highs around 60. Northeast Winds 5 to 10 Mph.

Tonight 22 Sep Union

Mostly cloudy. Lows in the lower 50s. East Winds 5 to 10 Mph.

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Cromwell Temperature Statistics

September Temperature

Creston Municipal Airport (5 miles)

  • Lowest 13 September, 2026

    53.6 °F

  • Average September

    73.5 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Creston Municipal Airport (5 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    62.2 °F
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