Heart Lake Weather Forecast

    • 48
    • 66

    Partly Sunny

    • 47
    • 64

    Partly Sunny

    • 47
    • 68

    Chance Rain Showers

    • 35
    • 58

    Mostly Sunny

    • 40
    • 58

    Mostly Sunny

    • 42
    • 60

    Chance Rain Showers

Today 10 Sep Western Uinta Mountains

Sunny in the morning then becoming partly cloudy. Highs in the lower 70s.

Tonight 10 Sep Western Uinta Mountains

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heart Lake Temperature Statistics

September Temperature

Provo, Provo Municipal Airport (38.5 miles)

  • Lowest 8 September, 2026

    53.1 °F

  • Average September

    71.2 °F

  • Highest 5 September, 2026

    88 °F

Climate (2021–2026)

Provo, Provo Municipal Airport (38.5 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    64.4 °F
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