Diamond Lake Weather Forecast

    • 63
    • 76

    Chance Thunderstorms

    • 57
    • 82

    Mostly Cloudy

    • 55
    • 71

    Mostly Cloudy

    • 53
    • 67

    Chance Rain Showers

    • 52
    • 69

    Slight Chance Thunderstorms

    • 55
    • 72

    Chance Rain Showers

Today 17 Sep Brown

Areas of fog in the morning. Mostly cloudy in the Morning, then partly sunny with a slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. East Winds up to 10 Mph, becoming southeast in the afternoon. Chance of precipitation 20 percent.

Tonight 17 Sep Brown

Showers and Thunderstorms likely in the Evening, then a chance of Showers and a slight chance of Thunderstorms after midnight. Lows in the lower 60s. Southeast Winds 15 to 20 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

September Temperature

Ainsworth Regional Airport (24.2 miles)

  • Lowest 12 September, 2026

    49.1 °F

  • Average September

    71.9 °F

  • Highest 11 September, 2026

    94.8 °F

Climate (2021–2026)

Ainsworth Regional Airport (24.2 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    62.6 °F
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