Belle Isle Weather Forecast

    • 6
    • 39

    Chance Snow Showers

    • 14
    • 26

    Partly Sunny

    • 20
    • 36

    Rain/Snow

    • 14
    • 39

    Partly Sunny

    • 9
    • 26

    Partly Sunny

    • 18
    • 30

    Mostly Cloudy

Today 4 Dec Coastal Rockingham

Mostly cloudy. A slight chance of snow Showers this Morning, then a chance of snow and rain Showers this afternoon. Highs in the upper 30s. Temperatures falling to around 30 this afternoon. Southwest Winds around 10 Mph with Gusts up to 25 Mph, becoming west 15 to 20 Mph with Gusts up to 35 Mph this afternoon. Chance of precipitation 30 percent.

Tonight 4 Dec Coastal Rockingham

Mostly clear. A slight chance of snow Showers in the evening. Lows around 6 above. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of snow 20 percent. Wind chill Values as low as 6 below after midnight.

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Belle Isle Temperature Statistics

December Temperature

Pease Air Force Base / Portsmouth (3.7 miles)

  • Lowest 1 December, 2025

    22.5 °F

  • Average December

    34.3 °F

  • Highest 1 December, 2025

    40.3 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (3.7 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.4 °F
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