Delawanna Weather Forecast

    • 57
    • 93

    Rain Showers Likely

    • 52
    • 64

    Chance Rain Showers

    • 51
    • 68

    Rain Showers

    • 51
    • 59

    Rain Showers

    • 56
    • 64

    Chance Rain Showers

    • 60
    • 73

    Chance Rain Showers

Today 20 May Eastern Passaic

Showers with a chance of Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Highs in the lower 90s. West Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent. Heat index Values in the mid 90s.

Tonight 20 May Eastern Passaic

Mostly cloudy. Showers with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Some Thunderstorms may be severe with damaging Winds and large hail. Much cooler. Less humid with Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 80 percent.

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Delawanna Temperature Statistics

May Temperature

Teterboro, Teterboro Airport (3.7 miles)

  • Lowest 12 May, 2026

    45 °F

  • Average May

    62 °F

  • Highest 17 May, 2026

    90 °F

Climate (2021–Present)

Teterboro, Teterboro Airport (3.7 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    64.7 °F
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