Diamond Lake Weather Forecast

    • 45
    • 73

    Becoming Sunny

    • 40
    • 71

    Mostly Cloudy

    • 42
    • 69

    Partly Sunny

    • 50
    • 89

    Partly Sunny

    • 45
    • 79

    Mostly Sunny

    • 51
    • 84

    Partly Sunny

Today 8 May Brown

Sunny. Highs in the lower 70s. Northwest Winds 10 to 20 Mph.

Tonight 8 May Brown

Partly cloudy. Lows in the lower 40s. Light and variable Winds, becoming southwest up to 10 Mph after midnight.

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Diamond Lake Temperature Statistics

May Temperature

Ainsworth Regional Airport (24.2 miles)

  • Lowest 1 May, 2026

    30.9 °F

  • Average May

    52 °F

  • Highest 2 May, 2026

    76.1 °F

Climate (2021–Present)

Ainsworth Regional Airport (24.2 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    62.5 °F
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