Westerly Weather Forecast

    • 51
    • 70

    Partly Sunny

    • 55
    • 74

    Slight Chance Rain

    • 54
    • 71

    Chance Rain

    • 55
    • 78

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 54
    • 72

    Partly Sunny

Today 8 Sep Washington

Partly sunny. Near steady temperature around 70. Northeast Winds 5 to 10 Mph.

Tonight 8 Sep Washington

Partly cloudy. Lows in the upper 40s. East Winds around 5 Mph, becoming northeast after midnight.

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Westerly Temperature Statistics

September Temperature

Westerly, Westerly State Airport (2.5 miles)

  • Lowest 4 September, 2025

    48 °F

  • Average September

    65.3 °F

  • Highest 6 September, 2025

    78.1 °F

Climate (2020–Present)

Westerly, Westerly State Airport (2.5 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    60.4 °F
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