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Catalina Foothills, AZ Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Catalina Foothills, Pima County, Arizona.

Updated Jul 29, 2026, 2:06 PM local time · Radar refreshes every 5 minutes

☀️
Catalina Foothills
Clear
103°F
Feels like 108°F
Wind 5 mph
Humidity 25%
Cloud cover 0%
UV index 9
Alerts 1

Active alerts (1)

Extreme Heat WarningSevere
Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Upper Santa Cruz River and Altar Valleys including Nogales; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper San Pedro River Valley including Sierra Vista/Benson; Eastern Cochise County Below 5000 Feet including Douglas/Willcox; Upper Gila River and Aravaipa Valleys including Clifton/Safford
Until Jul 30, 2026, 12:00 PM
Full details
* WHAT...Dangerously hot conditions with temperatures 101 to 106 in
Santa Cruz and Cochise Counties and 107 to 113 elsewhere. Major to
Extreme HeatRisk is expected.

* WHERE...Eastern Cochise County below 5000 feet, South Central Pinal
County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro
Area, Upper Gila River Valley, Upper San Pedro River Valley, Upper
Santa Cruz River Valley/Altar Valley, and Western Pima County.

* WHEN...From 10 AM Thursday to 8 PM MST Sunday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...Warm overnight low temperatures of 84 to 90
degrees will provide little to no relief from heat overnight.
Warmest overnight low temperatures expected in the Western Deserts.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible and
drink plenty of water.

Catalina Foothills weather radar

Light Heavy

Next 24 hours

Now
☀️
103°F
1%
3 PM
☀️
104°F
3%
4 PM
☀️
104°F
5%
5 PM
☁️
103°F
9%
6 PM
102°F
11%
7 PM
☁️
98°F
9%
8 PM
☁️
97°F
8%
9 PM
☁️
95°F
4%
10 PM
☁️
93°F
3%
11 PM
☁️
91°F
3%
12 AM
☁️
91°F
3%
1 AM
89°F
2%
2 AM
☁️
88°F
4%
3 AM
🌤️
88°F
2%
4 AM
☁️
86°F
3%
5 AM
83°F
4%
6 AM
☁️
84°F
3%
7 AM
☁️
86°F
2%
8 AM
☁️
89°F
2%
9 AM
94°F
1%
10 AM
🌤️
98°F
1%
11 AM
102°F
1%
12 PM
☀️
104°F
1%
1 PM
☀️
106°F
2%

7-day forecast

Today
Jul 29
☁️
104°F
84°F
11%
Thu
Jul 30
☁️
107°F
83°F
4%
Fri
Jul 31
☁️
105°F
83°F
2%
Sat
Aug 1
☁️
108°F
94°F
2%
Sun
Aug 2
🌦️
106°F
87°F
19%
Mon
Aug 3
🌧️
105°F
82°F
28%
Tue
Aug 4
🌦️
103°F
82°F
44%

Weather near Catalina Foothills

5 mi Tucson, AZ5 mi Casas Adobes, AZ5 mi Flowing Wells, AZ7 mi Oro Valley, AZ11 mi Tanque Verde, AZ13 mi Drexel Heights, AZ20 mi Marana, AZ24 mi Sahuarita, AZ
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.