Caldwell Weather Forecast

    • 52
    • 67

    Decreasing Clouds

    • 63
    • 81

    Mostly Sunny

    • 63
    • 85

    Partly Sunny

    • 64
    • 84

    Mostly Sunny

    • 71
    • 92

    Mostly Sunny

    • 64
    • 90

    Chance Rain Showers

Today 15 May Western Essex

Mostly cloudy. Highs in the upper 60s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 15 May Western Essex

Partly cloudy in the Evening, then clearing. Lows in the lower 50s. Northwest Winds 5 to 10 Mph.

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Caldwell Temperature Statistics

May Temperature

Caldwell, Essex County Airport (2.5 miles)

  • Lowest 12 May, 2026

    41 °F

  • Average May

    57.9 °F

  • Highest 5 May, 2026

    82.9 °F

Climate (2021–Present)

Caldwell, Essex County Airport (2.5 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.3 °F
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