Diamond Lake Weather Forecast

    • 57
    • 88

    Partly Sunny

    • 56
    • 85

    Mostly Cloudy

    • 56
    • 82

    Slight Chance Thunderstorms

    • 54
    • 81

    Rain Showers Likely

    • 53
    • 80

    Chance Rain Showers

    • 51
    • 81

    Slight Chance Thunderstorms

Today 27 May Brown

Sunny. Highs in the upper 80s. South Winds around 10 Mph, becoming southeast 15 to 20 Mph in the afternoon.

Tonight 27 May Brown

Partly cloudy. Lows in the upper 50s. Southeast Winds up to 10 Mph.

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  • Temperature Real-Time

Diamond Lake Temperature Statistics

May Temperature

Ainsworth Regional Airport (24.2 miles)

  • Lowest 1 May, 2026

    30.9 °F

  • Average May

    56.8 °F

  • Highest 24 May, 2026

    88.5 °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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