Grass Island Weather Forecast

    • 40
    • 48

    Decreasing Clouds

    • 39
    • 49

    Partly Sunny

    • 51
    • 54

    Rain

    • 44
    • 57

    Chance Rain

    • 35
    • 48

    Mostly Sunny

    • 33
    • 44

    Partly Sunny

Today 23 Nov Southern New Haven

Mostly sunny. Highs in the upper 40s. West Winds 5 to 10 Mph.

Tonight 23 Nov Southern New Haven

Partly cloudy in the Evening, then clearing. Lows in the upper 30s. West Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight.

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Grass Island Temperature Statistics

November Temperature

Chester, Chester Airport (11.2 miles)

  • Lowest 11 November, 2025

    30.2 °F

  • Average November

    44.9 °F

  • Highest 8 November, 2025

    66.2 °F

Climate (2020–Present)

Chester, Chester Airport (11.2 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    62.6 °F
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