Monroe Weather Forecast

    • 57
    • 80

    Slight Chance Rain Showers

    • 51
    • 80

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 52
    • 70

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 59
    • 80

    Partly Sunny

Today 18 Sep Northern Fairfield

Patchy fog in the morning. Mostly cloudy with a slight chance of Showers in the Morning, then mostly sunny in the afternoon. Highs around 80. North Winds around 5 Mph, becoming west around 5 Mph in the afternoon. Chance of rain 20 percent.

Tonight 18 Sep Northern Fairfield

Mostly cloudy with a 20 percent chance of Showers. Patchy fog. Lows around 60. North Winds around 5 Mph.

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Monroe Temperature Statistics

September Temperature

Oxford, Waterbury-Oxford Airport (11.2 miles)

  • Lowest 8 September, 2025

    45 °F

  • Average September

    63.5 °F

  • Highest 6 September, 2025

    81 °F

Climate (2020–Present)

Oxford, Waterbury-Oxford Airport (11.2 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.6 °F
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