Mount Lemmon Weather Forecast

    • 58
    • 71

    Partly Sunny

    • 51
    • 65

    Rain Showers

    • 46
    • 55

    Rain Showers

    • 48
    • 56

    Mostly Sunny

    • 50
    • 63

    Sunny

    • 49
    • 62

    Sunny

    • 51
    • 63

    Sunny

Today 27 Sep Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven

Partly cloudy. Highs 74 to 82.

Tonight 27 Sep Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven

Partly cloudy. Lows 60 to 66.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Lemmon Temperature Statistics

September Temperature

Davis-Monthan Air Force Base (19.9 miles)

  • Lowest 25 September, 2026

    67.5 °F

  • Average September

    83.8 °F

  • Highest 10 September, 2026

    100.2 °F

Climate (2021–2026)

Davis-Monthan Air Force Base (19.9 miles)

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  • Average Low 2021–2026

    58.5 °F

  • Average 2021–2026

    71.2 °F

  • Average High 2021–2026

    84.2 °F
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