Middletown Weather Forecast

    • 58
    • 82

    Slight Chance Rain Showers

    • 50
    • 82

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

    • 51
    • 72

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 60
    • 82

    Partly Sunny

Today 18 Sep Northern Middlesex

Partly sunny. A chance of Showers in the morning. Patchy fog in the morning. Highs in the upper 70s. North Winds around 5 Mph, becoming west around 5 Mph in the afternoon. Chance of rain 30 percent.

Tonight 18 Sep Northern Middlesex

Cloudy with a 20 percent chance of Showers. Patchy fog. Near steady temperature in the lower 60s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

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Middletown Temperature Statistics

September Temperature

Meriden, Meriden Markham Municipal Airport (9.9 miles)

  • Lowest 8 September, 2025

    46 °F

  • Average September

    65.2 °F

  • Highest 6 September, 2025

    82 °F

Climate (2020–Present)

Meriden, Meriden Markham Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    63.1 °F
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