Middletown Weather Forecast

    • 53
    • 72

    Patchy Fog

    • 58
    • 75

    Mostly Cloudy

    • 64
    • 78

    Partly Sunny

    • 59
    • 82

    Slight Chance Rain Showers

    • 49
    • 71

    Chance Rain Showers

    • 50
    • 66

    Rain Showers Likely

    • 43
    • 65

    Partly Sunny

Today 29 Sep Northern Middlesex

Sunny. Highs in the upper 50s.

Tonight 29 Sep Northern Middlesex

Partly cloudy this Evening, then clearing. Patchy fog after midnight. Lows in the lower 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Middletown Temperature Statistics

September Temperature

Meriden, Meriden Markham Municipal Airport (9.9 miles)

  • Lowest 7 September, 2026

    48 °F

  • Average September

    64.8 °F

  • Highest 10 September, 2026

    84.9 °F

Climate (2021–2026)

Meriden, Meriden Markham Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    62.9 °F
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