Portsmouth Weather Forecast

    • 64
    • 77

    Partly Sunny

    • 53
    • 80

    Chance Rain Showers

    • 44
    • 67

    Mostly Sunny

    • 47
    • 61

    Chance Rain Showers

    • 40
    • 66

    Mostly Sunny

    • 38
    • 56

    Mostly Sunny

Today 1 Oct Coastal Rockingham

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Highs in the upper 70s. Light and variable Winds, becoming southwest around 10 Mph in the afternoon.

Tonight 1 Oct Coastal Rockingham

Partly cloudy. Lows in the mid 60s. Light and variable Winds.

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Portsmouth Temperature Statistics

October Temperature

Pease Air Force Base / Portsmouth (3.1 miles)

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Climate (2021–2026)

Pease Air Force Base / Portsmouth (3.1 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    59.1 °F
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