Middlesex Weather Forecast

    • 61
    • 75

    Rain Showers Likely

    • 58
    • 73

    Slight Chance Rain Showers

    • 58
    • 83

    Mostly Sunny

    • 64
    • 85

    Partly Sunny

    • 65
    • 83

    Rain Showers Likely

    • 59
    • 82

    Chance Thunderstorms

Today 20 Aug Middlesex

Cloudy. A slight chance of Showers this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Highs in the mid 70s. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 20 Aug Middlesex

Cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the lower 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Middlesex Temperature Statistics

August Temperature

Somerville, Somerset Airport (9.3 miles)

  • Lowest 9 August, 2025

    52.6 °F

  • Average August

    74.2 °F

  • Highest 12 August, 2025

    93.7 °F

Climate (2020–Present)

Somerville, Somerset Airport (9.3 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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