Diamond Lake Weather Forecast

    • 5
    • 30

    Mostly Sunny

    • 28
    • 40

    Partly Sunny

    • 30
    • 58

    Mostly Cloudy

    • 26
    • 57

    Chance Rain

    • 31
    • 58

    Mostly Sunny

    • 25
    • 64

    Partly Sunny

Today 22 Feb Brown

Sunny. Highs in the mid 20s. North Winds around 10 Mph.

Tonight 22 Feb Brown

Partly cloudy in the Evening, then becoming mostly clear. Lows around 6. East Winds around 10 Mph, becoming southeast after midnight.

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Diamond Lake Temperature Statistics

February Temperature

Ainsworth Regional Airport (24.2 miles)

  • Lowest 20 February, 2026

    1.4 °F

  • Average February

    38.9 °F

  • Highest 17 February, 2026

    71.6 °F

Climate (2021–Present)

Ainsworth Regional Airport (24.2 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    62.3 °F
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