Brentwood Weather Forecast

    • 6
    • 21

    Snow

    • 3
    • 21

    Partly Sunny

    • 3
    • 22

    Partly Sunny

    • 1
    • 21

    Mostly Sunny

    • 1
    • 17

    Mostly Sunny

    • 6
    • 26

    Mostly Sunny

    • 13
    • 26

    Partly Sunny

Today 26 Jan Interior Rockingham

Snow likely. Additional snow accumulation around an inch. Highs around 20. North Winds around 10 Mph. Chance of snow 70 percent.

Tonight 26 Jan Interior Rockingham

Cloudy with snow in the Evening, then partly cloudy after midnight. Additional snow accumulation of 1 to 3 Inches. Total snow accumulation 5 to 6 Inches. Lows around 5 above. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 90 percent. Wind chill Values as low as 10 below after midnight.

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Brentwood Temperature Statistics

January Temperature

Pease Air Force Base / Portsmouth (14.3 miles)

  • Lowest 24 January, 2026

    0.7 °F

  • Average January

    28.4 °F

  • Highest 14 January, 2026

    50.2 °F

Climate (2021–Present)

Pease Air Force Base / Portsmouth (14.3 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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