Caldwell Weather Forecast

    • 66
    • 85

    Slight Chance Thunderstorms

    • 65
    • 85

    Mostly Sunny

    • 65
    • 84

    Partly Sunny

    • 67
    • 82

    Rain Showers Likely

    • 65
    • 83

    Chance Rain Showers

    • 65
    • 83

    Mostly Sunny

    • 68
    • 84

    Partly Sunny

Today 13 Aug Western Essex

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 13 Aug Western Essex

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 60s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 20 percent.

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Caldwell Temperature Statistics

August Temperature

Caldwell, Essex County Airport (2.5 miles)

  • Lowest 4 August, 2026

    60.1 °F

  • Average August

    77.6 °F

  • Highest 7 August, 2026

    91.9 °F

Climate (2021–2026)

Caldwell, Essex County Airport (2.5 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.2 °F
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