Local weather forecast

Weather in Mount Lemmon, AZ

Updated 2026-08-11 10:00 local time · ZIP codes 85619

Sunny
Now82°F

Sunny

High / Low89° / 66°
Rain chance60%
Wind7 mph
Weather alerts

Active alerts

3
Flood Watch issued August 10 at 9:53PM MST until August 10 at 10:00PM MST by NWS Tucson AZ

The Flood Watch will expire for a portion of Southeast Arizona, including the following areas, Catalina and Rincon Mountains, Tucson Metro Area and Upper Santa Cruz River Valley/Altar Valley. The flash flooding threat has ended. Therefore, the Flood Watch will expire at 10 PM MST this evening.

Safety instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Flood Watch issued August 10 at 9:53PM MST until August 11 at 11:00PM MST by NWS Tucson AZ

The Flood Watch will expire for a portion of Southeast Arizona, including the following areas, Catalina and Rincon Mountains, Tucson Metro Area and Upper Santa Cruz River Valley/Altar Valley. The flash flooding threat has ended. Therefore, the Flood Watch will expire at 10 PM MST this evening.

Safety instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Flood Watch issued August 11 at 2:59AM MST until August 11 at 11:00PM MST by NWS Tucson AZ

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southeast Arizona, including the following areas, Catalina and Rincon Mountains, Chiricahua Mountains, Dragoon and Mule and Huachuca and Santa Rita Mountains, Eastern Cochise County below 5000 feet, Galiuro and Pinaleno Mountains, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley and Upper Santa Cruz River Valley/Altar Valley. * WHEN...From 2 PM MST this afternoon through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Scattered to numerous thunderstorms are expected this afternoon into this evening. Rainfall rates in excess of 1 inch per hour are expected with the stronger storms with isolated areas having the potential of 2 inches or more in an hour. - http://www.weather.gov/safety/flood

Safety instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Hourly

Next hours

NowSunny82°1% rain
11 AMSunny84°1% rain
12 PMSunny85°1% rain
1 PMSunny87°1% rain
2 PMThundery outbreaks in nearby89°2% rain
3 PMSunny89°2% rain
4 PMSunny89°2% rain
5 PMSunny88°1% rain
6 PMPatchy rain nearby87°6% rain
7 PMPatchy rain nearby83°19% rain
8 PMPatchy rain nearby76°61% rain
9 PMModerate rain at times66°82% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
89° 66°Sunny
Rain 60%Gust 17 mph
Tomorrow2026-08-12
Partly Cloudy
85° 71°Partly Cloudy
Rain 57%Gust 15 mph
Thursday2026-08-13
Patchy rain nearby
85° 70°Patchy rain nearby
Rain 67%Gust 8 mph
Conditions

Weather details

Feels like82°F
Humidity45%
Pressure29.99 inHg
Visibility6 mi
Wind7 mph WNW
Wind gusts8 mph
Precipitation0.00 in
UV index7
Daylight

Sunrise, sunset and moon

Sunrise05:44 AM
Sunset07:11 PM
Moonrise03:59 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 82% over the next 12 hours.

Light layers should work

It feels like 82°F with winds near 7 mph.

Best window: 10 AM

82°F, 1% rain chance and 7 mph wind.

Use extra caution while driving

Visibility is around 6 mi; gusts may reach 27 mph.

Running conditions are less comfortable

Current temperature is 82°F, wind 7 mph, rain chance up to 82%.

High UV protection needed

UV index is 7. Sunscreen, shade and protective clothing are recommended.

Mount Lemmon weather today

Sunny and 82°F in Mount Lemmon, AZ. Today's high is 89°F with a 60% rain chance. Winds are around 7 mph with gusts near 8 mph. Relative humidity is 45%, pressure is 29.99 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Mount Lemmon

Sunrise is at 05:44 AM and sunset is at 07:11 PM. Tomorrow's forecast calls for Partly Cloudy with a high near 85°F and a low near 71°F. The maximum rain chance is 57%.

Nearby

Weather near Mount Lemmon

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