Deep River Weather Forecast

    • 67
    • 79

    Chance Rain Showers

    • 50
    • 80

    Partly Sunny

    • 54
    • 69

    Partly Sunny

    • 56
    • 68

    Rain Showers Likely

    • 51
    • 69

    Chance Rain Showers

    • 49
    • 62

    Slight Chance Rain Showers

    • 50
    • 63

    Slight Chance Rain Showers

Today 17 Sep Southern Middlesex

Partly sunny with a 30 percent chance of Showers. Highs in the mid 60s.

Tonight 17 Sep Southern Middlesex

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Humid with Lows in the upper 60s. South Winds 5 to 10 Mph, becoming southwest after midnight. 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 15 September, 2026

    50 °F

  • Average September

    68.8 °F

  • Highest 10 September, 2026

    86 °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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