Foss Beach Weather Forecast

    • 23
    • 43

    Decreasing Clouds

    • 26
    • 32

    Partly Sunny

    • 30
    • 37

    Rain/Snow Likely

    • 26
    • 36

    Partly Sunny

    • 31
    • 38

    Mostly Cloudy

    • 28
    • 42

    Chance Rain

Today 21 Dec Coastal Rockingham

Partly sunny. Highs in the lower 40s. Temperatures falling into the mid 30s in the afternoon. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 21 Dec Coastal Rockingham

Cloudy. Lows in the lower 30s. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foss Beach Temperature Statistics

December Temperature

Pease Air Force Base / Portsmouth (6.2 miles)

  • Lowest 5 December, 2025

    6.8 °F

  • Average December

    27.6 °F

  • Highest 18 December, 2025

    44.8 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (6.2 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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