Deep River Weather Forecast

    • 59
    • 83

    Becoming Sunny

    • 55
    • 80

    Partly Sunny

    • 55
    • 78

    Mostly Sunny

    • 59
    • 78

    Slight Chance Thunderstorms

    • 54
    • 77

    Chance Thunderstorms

    • 53
    • 76

    Mostly Sunny

Today 25 Aug Southern Middlesex

Partly sunny with a 20 percent chance of Showers. Highs in the lower 80s. Southwest Winds around 5 Mph.

Tonight 25 Aug Southern Middlesex

Partly cloudy in the Evening, then clearing. Lows in the upper 50s. West Winds around 5 Mph.

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Deep River Temperature Statistics

August Temperature

Chester, Chester Airport (1.9 miles)

  • Lowest 19 August, 2025

    51.8 °F

  • Average August

    70.8 °F

  • Highest 14 August, 2025

    93.2 °F

Climate (2020–Present)

Chester, Chester Airport (1.9 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    62.6 °F
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