Johnson Lake Weather Forecast

    • 36
    • 54

    Mostly Sunny

    • 42
    • 59

    Mostly Cloudy

    • 39
    • 60

    Breezy

    • 34
    • 52

    Sunny

    • 40
    • 58

    Mostly Sunny

    • 43
    • 63

    Partly Sunny

Today 14 Jun Butte/Blackfoot Region

Mostly sunny. Highs in the mid 60s to lower 70s.

Tonight 14 Jun Butte/Blackfoot Region

Mostly clear. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

June Temperature

Butte, Bert Mooney Airport (47.2 miles)

  • Lowest 8 June, 2026

    28.7 °F

  • Average June

    52.7 °F

  • Highest 5 June, 2026

    80.7 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (47.2 miles)

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  • Average Low 2021–2026

    28.5 °F

  • Average 2021–2026

    42.4 °F

  • Average High 2021–2026

    55.8 °F
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