Portsmouth Weather Forecast

    • 13
    • 30

    Decreasing Clouds

    • 22
    • 31

    Partly Sunny

    • 35
    • 43

    Mostly Cloudy

    • 35
    • 46

    Chance Rain

    • 31
    • 42

    Slight Chance Rain/Snow

    • 28
    • 41

    Mostly Cloudy

Today 12 Dec Coastal Rockingham

Partly sunny. Highs in the lower 30s. North Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 12 Dec Coastal Rockingham

Mostly clear. Lows around 13. North Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

December Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

  • Lowest 8 December, 2018

    14.2 °F
  • Average December

    30.1 °F
  • Highest 3 December, 2018

    51.1 °F

Climate (2010–Present)

Pease Air Force Base / Portsmouth (3.1 miles)

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  • Average Low 2010–Present

    40.5 °F
  • Average 2010–Present

    49.3 °F
  • Average High 2010–Present

    57.9 °F
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