Griswold Weather Forecast

    • 63
    • 82

    Becoming Sunny

    • 68
    • 86

    Partly Sunny

    • 65
    • 89

    Chance Thunderstorms

    • 61
    • 83

    Mostly Sunny

    • 62
    • 84

    Partly Sunny

    • 65
    • 85

    Slight Chance Thunderstorms

Today 8 Jul Northern New London

Patchy fog this morning. Sunny. Highs in the lower 80s. North Winds around 5 Mph, becoming northwest this afternoon.

Tonight 8 Jul Northern New London

Mostly clear. Lows in the mid 60s. Southwest Winds around 5 Mph.

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Griswold Temperature Statistics

July Temperature

Westerly, Westerly State Airport (16.8 miles)

  • Lowest 5 July, 2026

    68 °F

  • Average July

    77.9 °F

  • Highest 3 July, 2026

    90 °F

Climate (2021–2026)

Westerly, Westerly State Airport (16.8 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    60.4 °F
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