J Lake Weather Forecast

    • 34
    • 62

    Increasing Clouds

    • 40
    • 68

    Mostly Sunny

    • 43
    • 72

    Partly Sunny

    • 32
    • 59

    Rain

    • 27
    • 46

    Breezy

    • 25
    • 44

    Mostly Cloudy

Today 20 Oct Bears Paw Mountains and Southern Blaine

Mostly sunny. Highs in the upper 50s. North Winds up to 10 Mph.

Tonight 20 Oct Bears Paw Mountains and Southern Blaine

Partly cloudy. Lows in the upper 30s. East Winds up to 10 Mph. Gusts up to 25 Mph after midnight.

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  • Temperature Real-Time

J Lake Temperature Statistics

October Temperature

Havre, Havre City-County Airport (54.1 miles)

  • Lowest 16 October, 2026

    22.6 °F

  • Average October

    50.8 °F

  • Highest 9 October, 2026

    86.6 °F

Climate (2021–2026)

Havre, Havre City-County Airport (54.1 miles)

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  • Average Low 2021–2026

    32.2 °F

  • Average 2021–2026

    45.3 °F

  • Average High 2021–2026

    58.2 °F
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