Brentwood Weather Forecast

    • 58
    • 72

    Chance Rain Showers

    • 62
    • 67

    Rain Showers Likely

    • 60
    • 80

    Partly Sunny

    • 68
    • 89

    Chance Rain Showers

    • 67
    • 87

    Rain Showers Likely

    • 64
    • 87

    Mostly Sunny

Today 27 Jun Interior Rockingham

Partly sunny. Highs in the lower 70s. Light and variable Winds, becoming southeast around 10 Mph this afternoon.

Tonight 27 Jun Interior Rockingham

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 50s. Southeast Winds around 10 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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Brentwood Temperature Statistics

June Temperature

Pease Air Force Base / Portsmouth (14.3 miles)

  • Lowest 2 June, 2025

    47.1 °F

  • Average June

    68.6 °F

  • Highest 24 June, 2025

    100.4 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (14.3 miles)

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  • Average Low 2020–2025

    42.7 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.3 °F
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