Mount Lemmon, AZ Weather Tomorrow

Get the forecast you need for Mount Lemmon tomorrow with an extended 5 day weather outlook featuring precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction throughout the Mount Lemmon area.
Updated: Thu Sep 10th 2026 1:00 PM MST
Mount Lemmon, AZ Weather – 9-10 – Sunny
90° / 74°
Sunny
Mount Lemmon is set for sunshine with temperatures peaking at 90°F and dipping to 74°F. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 13mph on average and gusts of 22.1mph at 2 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 45% at 11 PM and 29% being its lowest at 3 PM. Barometric pressure is its highest of 29.9inHg at 2 PM, a lowest point of 29.84inHg at 4 PM with an avg 29.87inHg.
Mount Lemmon, AZ Weather – 9-11 – Overcast
87° / 73°

Weather Tomorrow

Overcast
In Mount Lemmon, it will be overcast with highs near 87°F and lows around 73°F. There's a very small chance of rainfall, only about 8% with an estimated 0in. Wind will be moderate, blowing around 12mph on average and gusts of 20.1mph at 3 PM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 70% at 5 AM and 37% being its lowest at 3 PM. Barometric pressure is its highest of 29.97inHg at 7 AM, a lowest point of 29.8inHg at 4 PM with an avg 29.89inHg.
Mount Lemmon, AZ Weather – 9-12 – Sunny
86° / 70°
Sunny
Mount Lemmon may see a sunny day, with daytime highs of 86°F and overnight lows near 70°F. Rainfall predicted to have a 70% chance with an estimated 0.38in. Wind will be moderate, blowing around 14mph on average and gusts of 17mph at 5 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 84% at 9 PM and 40% being its lowest at 1 PM. Barometric pressure is its highest of 29.93inHg at 8 AM, a lowest point of 29.8inHg at 5 PM with an avg 29.87inHg.
Mount Lemmon, AZ Weather – 9-13 – Sunny
86° / 70°
Sunny
Bright and sunny conditions in Mount Lemmon, with a high of 86°F and a low of 70°F. Rainfall predicted to have a 57% chance with an estimated 0.12in. Wind will be moderate, blowing around 12mph on average and gusts of 17.1mph at 7 PM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 72% at 6 AM and 37% being its lowest at 6 PM. Barometric pressure is its highest of 29.88inHg at 8 AM, a lowest point of 29.74inHg at 5 PM with an avg 29.82inHg.
Mount Lemmon, AZ Weather – 9-14 – Sunny
87° / 71°
Sunny
A sunny day is in the forecast for Mount Lemmon, with a high of 87°F and a low of 71°F. Rainfall predicted to have a 60% chance with an estimated 0.37in. Wind will be moderate, blowing around 15mph on average and gusts of 15.7mph at 5 PM. Humidity levels should be comfortable, sitting around 52% on average, the maximum being 68% at 11 PM and 35% being its lowest at 2 PM. Barometric pressure is its highest of 29.91inHg at 10 PM, a lowest point of 29.78inHg at 5 PM with an avg 29.85inHg.
Mount Lemmon, AZ Weather – 9-15 – Scattered Showers
83° / 70°
Scattered Showers
Mount Lemmon is set for passing showers with temperatures peaking at 83°F and dipping to 70°F. Rainfall predicted to have a 57% chance with an estimated 0.12in. Winds will be light at 5mph and gusts of 5.6mph at 5 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 75% at 5 AM and 41% being its lowest at 5 PM. Barometric pressure is its highest of 29.99inHg at 9 AM, a lowest point of 29.88inHg at 5 PM with an avg 29.94inHg.

Currently

Sunny 89°F
29.93 inHg.
Barometer
31%
Humidity
WNW 14.4 mph
Wind
Sunny

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