Diamond Lake Weather Forecast

    • 66
    • 80

    Increasing Clouds

    • 72
    • 87

    Partly Sunny

    • 76
    • 94

    Mostly Sunny

    • 71
    • 94

    Thunderstorms Likely

    • 69
    • 87

    Chance Thunderstorms

    • 70
    • 86

    Chance Thunderstorms

    • 70
    • 89

    Partly Sunny

Today 21 Jul Lake

Mostly sunny. Hazy late in the morning. Highs around 80 Inland, but only in the mid 70s near the lake. East Winds around 10 Mph.

Tonight 21 Jul Lake

Mostly clear early in the Evening, then becoming partly cloudy. Lows in the mid 60s. East Winds 5 to 10 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

July Temperature

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

  • Lowest 18 July, 2025

    59.6 °F

  • Average July

    76.5 °F

  • Highest 5 July, 2025

    93.7 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    61.5 °F
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