Diamond Lake Weather Forecast

    • 29
    • 41

    Chance Rain

    • 18
    • 47

    Rain

    • 18
    • 24

    Chance Snow

    • 21
    • 39

    Mostly Cloudy

    • 19
    • 30

    Mostly Cloudy

    • 28
    • 35

    Slight Chance Snow

    • 26
    • 41

    Mostly Cloudy

Today 17 Dec Cass

Partly cloudy. Near steady temperature in the upper 30s. Southwest Winds around 10 Mph.

Tonight 17 Dec Cass

Partly cloudy this Evening, then mostly cloudy with a chance of rain after midnight. Lows in the upper 20s. Temperature rising into the upper 30s after midnight. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

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Diamond Lake Temperature Statistics

December Temperature

Elkhart Municipal (12.4 miles)

  • Lowest 8 December, 2025

    1 °F

  • Average December

    22.1 °F

  • Highest 10 December, 2025

    38.8 °F

Climate (2020–Present)

Elkhart Municipal (12.4 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    59.8 °F
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