Diamond Lake Weather Forecast

    • 42
    • 69

    Mostly Sunny

    • 32
    • 55

    Breezy

    • 44
    • 68

    Mostly Sunny

    • 38
    • 64

    Partly Sunny

    • 36
    • 60

    Mostly Sunny

    • 36
    • 61

    Mostly Sunny

Today 17 Oct Brown

Sunny. Highs in the upper 60s. West Winds 10 to 15 Mph.

Tonight 17 Oct Brown

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. West Winds up to 10 Mph.

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Diamond Lake Temperature Statistics

October Temperature

Ainsworth Regional Airport (24.2 miles)

  • Lowest 13 October, 2025

    36.9 °F

  • Average October

    59.7 °F

  • Highest 4 October, 2025

    91 °F

Climate (2020–Present)

Ainsworth Regional Airport (24.2 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    61.7 °F
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