Brentwood Weather Forecast

    • 31
    • 42

    Rain/Snow Likely

    • 25
    • 47

    Chance Rain

    • 32
    • 43

    Mostly Cloudy

    • 43
    • 60

    Rain

    • 19
    • 51

    Partly Sunny

    • 22
    • 38

    Partly Sunny

Today 13 Mar Interior Rockingham

Mostly sunny this Morning, then mostly cloudy with a slight chance of snow this afternoon. Highs in the lower 40s. West Winds around 10 Mph, becoming southwest this afternoon. Chance of snow 20 percent.

Tonight 13 Mar Interior Rockingham

Mostly cloudy. A chance of snow in the Evening, then snow likely with a chance of rain after midnight. Snow accumulation up to 1 inch. Lows around 30. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brentwood Temperature Statistics

March Temperature

Pease Air Force Base / Portsmouth (14.3 miles)

  • Lowest 2 March, 2026

    7.9 °F

  • Average March

    37.1 °F

  • Highest 10 March, 2026

    72.7 °F

Climate (2021–Present)

Pease Air Force Base / Portsmouth (14.3 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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