Grass Island Weather Forecast

    • 23
    • 33

    Blowing Snow

    • 21
    • 31

    Chance Snow

    • 31
    • 39

    Rain/Snow

    • 28
    • 38

    Snow Likely

    • 29
    • 38

    Mostly Sunny

    • 31
    • 41

    Partly Sunny

    • 22
    • 39

    Mostly Cloudy

Today 23 Feb Southern New Haven

Cloudy. Areas of blowing snow. Windy with Highs in the lower 30s. North Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 23 Feb Southern New Haven

Mostly cloudy. Patchy blowing snow. Brisk with Lows around 20. Northwest Winds 20 to 25 Mph, Diminishing to 10 to 15 Mph after midnight. Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Island Temperature Statistics

February Temperature

Chester, Chester Airport (11.2 miles)

  • Lowest 8 February, 2026

    -0.4 °F

  • Average February

    27.2 °F

  • Highest 21 February, 2026

    44.6 °F

Climate (2021–Present)

Chester, Chester Airport (11.2 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.6 °F
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