Rockville Weather Forecast

    • 22
    • 32

    Partly Sunny

    • 25
    • 44

    Partly Sunny

    • 41
    • 52

    Rain

    • 21
    • 54

    Chance Rain

    • 29
    • 39

    Slight Chance Rain

    • 25
    • 45

    Slight Chance Snow

Today 16 Dec Washington

Sunny. Highs in the mid 30s. West Winds 5 to 10 Mph.

Tonight 16 Dec Washington

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Rockville Temperature Statistics

December Temperature

Westerly, Westerly State Airport (11.8 miles)

  • Lowest 5 December, 2025

    12.9 °F

  • Average December

    32.4 °F

  • Highest 10 December, 2025

    50 °F

Climate (2020–Present)

Westerly, Westerly State Airport (11.8 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    60.4 °F
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