Great Bay - Nannie Island Weather Forecast

    • 57
    • 76

    Mostly Sunny

    • 65
    • 79

    Mostly Sunny

    • 71
    • 88

    Mostly Sunny

    • 68
    • 92

    Chance Rain Showers

    • 63
    • 78

    Partly Sunny

    • 63
    • 76

    Chance Rain Showers

    • 63
    • 78

    Partly Sunny

Today 22 Jul Coastal Rockingham

Mostly sunny. Highs in the mid 70s. Southeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 22 Jul Coastal Rockingham

Mostly clear. Lows in the upper 50s. South Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Great Bay - Nannie Island Temperature Statistics

July Temperature

Pease Air Force Base / Portsmouth (2.5 miles)

  • Lowest 5 July, 2025

    55 °F

  • Average July

    74.8 °F

  • Highest 6 July, 2025

    95 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (2.5 miles)

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  • Average Low 2020–2025

    42.7 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.4 °F
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