Mount Lemmon Weather Forecast

    • 60
    • 76

    Chance Thunderstorms

    • 58
    • 71

    Thunderstorms Likely

    • 59
    • 71

    Thunderstorms Likely

    • 61
    • 75

    Chance Thunderstorms

    • 62
    • 77

    Chance Thunderstorms

    • 63
    • 78

    Chance Thunderstorms

Today 14 Aug Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven

Mostly cloudy. Slight chance of Showers and Thunderstorms late in the Morning, then chance of Showers and Thunderstorms in the afternoon. Highs 77 to 87. Chance of precipitation 50 percent.

Tonight 14 Aug Santa Catalina and Rincon Mountains including Mount Lemmon/Summerhaven

Mostly cloudy. Chance of Showers and Thunderstorms in the Evening, then chance of Showers and slight chance of Thunderstorms after midnight. Lows 62 to 70. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Lemmon Temperature Statistics

August Temperature

Davis-Monthan Air Force Base (19.9 miles)

  • Lowest 3 August, 2025

    78.8 °F

  • Average August

    95 °F

  • Highest 6 August, 2025

    113 °F

Climate (2020–Present)

Davis-Monthan Air Force Base (19.9 miles)

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  • Average Low 2020–2025

    57.7 °F

  • Average 2020–2025

    70.6 °F

  • Average High 2020–2025

    83.7 °F
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