Diamond Lake Weather Forecast

    • 47
    • 70

    Mostly Sunny

    • 50
    • 74

    Partly Sunny

    • 56
    • 76

    Partly Sunny

    • 52
    • 79

    Breezy

    • 40
    • 60

    Chance Rain Showers

    • 38
    • 55

    Slight Chance Rain Showers

    • 37
    • 51

    Partly Sunny

Today 20 Oct Brown

Mostly sunny. Highs in the mid 50s.

Tonight 20 Oct Brown

Clear. Lows in the upper 40s. Southwest Winds around 10 Mph.

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  • Temperature Real-Time

Diamond Lake Temperature Statistics

October Temperature

Ainsworth Regional Airport (24.2 miles)

  • Lowest 16 October, 2026

    32 °F

  • Average October

    57.4 °F

  • Highest 9 October, 2026

    89.8 °F

Climate (2021–2026)

Ainsworth Regional Airport (24.2 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    62.5 °F
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