Derby Weather Forecast

    • 25
    • 41

    Chance Flurries

    • 22
    • 40

    Slight Chance Snow

    • 13
    • 31

    Mostly Sunny

    • 28
    • 36

    Mostly Cloudy

    • 33
    • 45

    Rain Likely

    • 24
    • 42

    Chance Rain

Today 6 Dec Northern New Haven

Mostly cloudy. A slight chance of snow this morning. Highs in the upper 30s. Northwest Winds around 5 Mph, becoming southwest around 5 Mph this afternoon. Chance of snow 20 percent.

Tonight 6 Dec Northern New Haven

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 20s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Derby Temperature Statistics

December Temperature

Bridgeport, Sikorsky Memorial Airport (10.6 miles)

  • Lowest 4 December, 2025

    24.8 °F

  • Average December

    35.6 °F

  • Highest 1 December, 2025

    43 °F

Climate (2020–Present)

Bridgeport, Sikorsky Memorial Airport (10.6 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    54.8 °F

  • Average High 2020–2025

    62.3 °F
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