Heidecke Lake Weather Forecast

    • 67
    • 92

    Mostly Sunny

    • 69
    • 93

    Mostly Sunny

    • 72
    • 93

    Partly Sunny

    • 73
    • 94

    Chance Thunderstorms

    • 74
    • 95

    Slight Chance Thunderstorms

    • 74
    • 95

    Slight Chance Thunderstorms

Today 4 Jul Grundy

Sunny. Highs in the lower 90s. Northeast Winds 5 to 10 Mph.

Tonight 4 Jul Grundy

Clear. Lows in the upper 60s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heidecke Lake Temperature Statistics

July Temperature

Joliet Regional Airport (13 miles)

  • Lowest 1 July, 2020

    71.2 °F
  • Average July

    80.1 °F
  • Highest 1 July, 2020

    89.2 °F

Climate (2010–Present)

Joliet Regional Airport (13 miles)

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  • Average Low 2010–Present

    42.7 °F
  • Average 2010–Present

    52.4 °F
  • Average High 2010–Present

    61.4 °F
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