Portsmouth Weather Forecast

    • 50
    • 69

    Sunny

    • 52
    • 75

    Mostly Sunny

    • 46
    • 66

    Sunny

    • 49
    • 68

    Mostly Sunny

    • 53
    • 71

    Partly Sunny

    • 57
    • 70

    Mostly Cloudy

    • 57
    • 68

    Chance Rain Showers

Today 18 Oct Coastal Rockingham

Sunny. Highs in the upper 60s. West Winds around 10 Mph.

Tonight 18 Oct Coastal Rockingham

Mostly clear. Near steady temperature in the lower 40s. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portsmouth Temperature Statistics

October Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

  • Lowest 13 October, 2017

    36.5 °F
  • Average October

    60.2 °F
  • Highest 8 October, 2017

    78.8 °F

Climate (2010–Present)

Pease Air Force Base / Portsmouth (3.1 miles)

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  • Average Low 2010–Present

    40.3 °F
  • Average 2010–Present

    49.6 °F
  • Average High 2010–Present

    58.3 °F
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