Deep River Weather Forecast

    • 67
    • 81

    Chance Rain Showers

    • 62
    • 82

    Partly Sunny

    • 55
    • 77

    Chance Rain Showers

    • 54
    • 73

    Mostly Sunny

    • 58
    • 76

    Mostly Sunny

    • 59
    • 77

    Partly Sunny

Today 3 Sep Southern Middlesex

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Highs in the upper 70s. Southwest Winds around 5 Mph. Chance of rain 40 percent.

Tonight 3 Sep Southern Middlesex

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. West Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deep River Temperature Statistics

September Temperature

Chester, Chester Airport (1.9 miles)

  • Lowest 1 September, 2026

    60.8 °F

  • Average September

    66.3 °F

  • Highest 1 September, 2026

    71.6 °F

Climate (2021–2026)

Chester, Chester Airport (1.9 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.6 °F
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