Brentwood Weather Forecast

    • 52
    • 65

    Chance Rain Showers

    • 52
    • 71

    Partly Sunny

    • 55
    • 80

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

    • 62
    • 81

    Chance Rain Showers

    • 57
    • 77

    Chance Rain Showers

Today 20 Aug Interior Rockingham

Cloudy with a 40 percent chance of Showers. Highs in the mid 60s. Light and variable Winds.

Tonight 20 Aug Interior Rockingham

Mostly cloudy. A chance of Showers, mainly in the evening. Lows in the lower 50s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brentwood Temperature Statistics

August Temperature

Pease Air Force Base / Portsmouth (14.3 miles)

  • Lowest 2 August, 2025

    54.3 °F

  • Average August

    72.6 °F

  • Highest 12 August, 2025

    93.9 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (14.3 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.4 °F
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