Branchburg Weather Forecast

    • 59
    • 77

    Mostly Cloudy

    • 60
    • 77

    Partly Sunny

    • 61
    • 79

    Slight Chance Rain Showers

    • 60
    • 83

    Partly Sunny

    • 60
    • 83

    Partly Sunny

    • 64
    • 84

    Chance Rain Showers

Today 18 Aug Somerset

Mostly cloudy. Not as warm with Highs in the mid 70s. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 18 Aug Somerset

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 60. East Winds 5 to 10 Mph.

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Branchburg Temperature Statistics

August Temperature

Somerville, Somerset Airport (5 miles)

  • Lowest 9 August, 2025

    52.6 °F

  • Average August

    74 °F

  • Highest 12 August, 2025

    93.7 °F

Climate (2020–Present)

Somerville, Somerset Airport (5 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    65.8 °F
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