Lake Hiawatha Weather Forecast

    • 70
    • 82

    Chance Thunderstorms

    • 65
    • 89

    Rain Showers Likely

    • 59
    • 83

    Mostly Sunny

    • 63
    • 83

    Mostly Sunny

    • 69
    • 86

    Partly Sunny

    • 74
    • 91

    Slight Chance Thunderstorms

Today 19 Jul Morris

Partly sunny this Morning, then mostly cloudy with a chance of Showers and Thunderstorms this afternoon. Highs around 80. East Winds around 5 Mph, becoming south around 5 Mph this afternoon. Chance of rain 40 percent.

Tonight 19 Jul Morris

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the upper 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Hiawatha Temperature Statistics

July Temperature

Caldwell, Essex County Airport (5 miles)

  • Lowest 5 July, 2025

    59.6 °F

  • Average July

    80.4 °F

  • Highest 8 July, 2025

    94.6 °F

Climate (2020–Present)

Caldwell, Essex County Airport (5 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    56.4 °F

  • Average High 2020–2025

    65.6 °F
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