Branchburg Weather Forecast

    • 66
    • 83

    Rain Showers

    • 57
    • 84

    Chance Thunderstorms

    • 56
    • 79

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

    • 61
    • 83

    Partly Sunny

    • 64
    • 86

    Partly Sunny

Today 21 Jul Somerset

Showers. A chance of Thunderstorms in the Morning, then Thunderstorms likely in the afternoon. More humid with Highs in the lower 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

Tonight 21 Jul Somerset

Showers with Thunderstorms likely in the Evening, then Showers likely after midnight. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain near 100 percent.

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Branchburg Temperature Statistics

July Temperature

Somerville, Somerset Airport (5 miles)

  • Lowest 17 July, 2026

    57.9 °F

  • Average July

    76.3 °F

  • Highest 2 July, 2026

    102 °F

Climate (2021–2026)

Somerville, Somerset Airport (5 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.7 °F
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