Catalina, AZ Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Catalina, AZ in one place.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny. High near 98, with temperatures falling to around 94 in the afternoon. Heat index values as high as 102. South southwest wind around 5 mph. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Catalina, AZ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 3:37 PM MST.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Catalina, AZ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 3:37 PM MST
- Forecast office
- TWC
- Source
- NOAA / NWS
Daily Outlook
This Week in Catalina
Wednesday looks like the warmest upcoming period in Catalina at 98 degrees F.
Friday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Thursday Night at about 6 mph SE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 3:37 PM MST
- Coverage
- 7 days
- Time zone
- America/Phoenix
- Forecast office
- TWC
- Radar station
- KEMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 74. East northeast wind around 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a high near 93. South wind around 5 mph. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a high near 90. Chance of precipitation is 90%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
A chance of rain showers before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 94. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Chance Showers And Thunderstorms
|
98°F |
5 mph
SSW
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
74°F |
5 mph
ENE
|
|
Thursday
Jul 16
|
Showers And Thunderstorms
|
93°F |
5 mph
S
|
|
Thursday Night
Jul 16
|
Showers And Thunderstorms Likely
|
71°F |
6 mph
SE
|
|
Friday
Jul 17
|
Showers And Thunderstorms
|
90°F |
5 mph
SSW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
70°F |
5 mph
SSE
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
90°F |
6 mph
W
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
72°F |
6 mph
E
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
92°F |
6 mph
SW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
72°F |
6 mph
E
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
94°F |
6 mph
WSW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
73°F |
6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Catalina.