Griswold Weather Forecast

    • 25
    • 46

    Increasing Clouds

    • 41
    • 50

    Rain Likely

    • 40
    • 49

    Rain

    • 27
    • 48

    Chance Rain Showers

    • 27
    • 38

    Partly Sunny

    • 29
    • 42

    Partly Sunny

Today 8 Jan Northern New London

Sunny. Highs in the mid 40s. Northwest Winds around 5 Mph.

Tonight 8 Jan Northern New London

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 20s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Griswold Temperature Statistics

January Temperature

Westerly, Westerly State Airport (16.8 miles)

  • Lowest 1 January, 2026

    15.1 °F

  • Average January

    26.9 °F

  • Highest 5 January, 2026

    39 °F

Climate (2021–Present)

Westerly, Westerly State Airport (16.8 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    60.3 °F
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