Diamond Lake Weather Forecast

    • 34
    • 47

    Rain Showers Likely

    • 34
    • 59

    Partly Sunny

    • 40
    • 63

    Mostly Cloudy

    • 42
    • 67

    Rain Showers Likely

    • 45
    • 70

    Chance Rain Showers

    • 49
    • 76

    Slight Chance Rain Showers

Today 18 May Brown

Breezy, cloudy. A chance of Showers in the Morning, then Showers in the afternoon. Highs in the upper 40s. North Winds 15 to 25 Mph. Chance of precipitation 90 percent.

Tonight 18 May Brown

Breezy, cloudy. A chance of rain Showers in the evening. Lows in the lower 30s. Northwest Winds 10 to 25 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

May Temperature

Ainsworth Regional Airport (24.2 miles)

  • Lowest 1 May, 2026

    30.9 °F

  • Average May

    57.4 °F

  • Highest 11 May, 2026

    88 °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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