Piscataqua River - Mast Cove Weather Forecast

    • 20
    • 29

    Chance Snow

    • 25
    • 34

    Rain/Snow Likely

    • 17
    • 36

    Mostly Cloudy

    • 25
    • 37

    Chance Snow Showers

    • 21
    • 38

    Chance Snow Showers

    • 21
    • 33

    Chance Snow Showers

Today 22 Dec Coastal York

Mostly sunny. Highs in the upper 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Dec Coastal York

Partly cloudy. Lows around 18. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Piscataqua River - Mast Cove Temperature Statistics

December Temperature

Pease Air Force Base / Portsmouth (2.5 miles)

  • Lowest 5 December, 2025

    6.8 °F

  • Average December

    28.8 °F

  • Highest 19 December, 2025

    55.4 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (2.5 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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