Stratham Weather Forecast

    • 62
    • 79

    Slight Chance Thunderstorms

    • 64
    • 85

    Partly Sunny

    • 59
    • 82

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 59
    • 78

    Rain Showers Likely

    • 59
    • 78

    Chance Rain Showers

Today 18 Aug Interior Rockingham

Patchy fog this morning. Mostly cloudy this Morning, then partly sunny with a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the upper 70s. Light and variable Winds. Chance of rain 30 percent.

Tonight 18 Aug Interior Rockingham

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Patchy fog. Humid with Lows in the lower 60s. Light and variable Winds. Chance of rain 20 percent.

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Stratham Temperature Statistics

August Temperature

Pease Air Force Base / Portsmouth (6.2 miles)

  • Lowest 16 August, 2026

    56.1 °F

  • Average August

    75 °F

  • Highest 7 August, 2026

    91.4 °F

Climate (2021–2026)

Pease Air Force Base / Portsmouth (6.2 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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