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San Tan Valley, Arizona Weather Forecast
San Tan Valley, Arizona Weather
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Weather Forecast for San Tan Valley, Arizona : Pinal County
Issued: 4:03 pm MST Jan 23, 2026 Latitude: 33.1911 Longitude: -111.528 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
60% chance of thunderstorms on Tonight 70% chance of thunderstorms on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday Sunny on Friday
Low: 51°F High: 64°F High: 62°F High: 66°F High: 68°F High: 71°F High: 70°F High: 70°F
Low: 40°F Low: 35°F Low: 38°F Low: 39°F Low: 46°F Low: 42°F  
Thunderstorms Thunderstorms Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny Sunny
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Current Conditions at
MESA WILLIAMS GATEWAY - (KIWA)
64°
Cloudy
as of 6:47 PM MST
Rel. Humidity: 45%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
12 MPH
300° Northwest
Cloud Level(s): Broken at 6500ft, Solid Overcast at 9000ft
Current Conditions at
CHANDLER MUNI ARPT - (KCHD)
64°
Cloudy
as of 6:47 PM MST
Rel. Humidity: 34%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
6 MPH
Cloud Level(s): Solid Overcast at 10000ft
Current Conditions at
CASA GRANDE - (KCGZ)
64°
Mostly Cloudy
as of 6:56 PM MST
Rel. Humidity: 34%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
7 MPH
300° Northwest
Cloud Level(s): Broken at 9000ft
Current Conditions at
GLENDALE - (KGEU)
61°
Mostly Cloudy
as of 6:48 PM MST
Rel. Humidity: 63%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 12000ft
60% chance of thunderstorms Tonight Tonight... Showers likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 51. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Saturday Saturday... Showers and thunderstorms likely. Mostly cloudy, with a high near 64. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Saturday Night Saturday Night... Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 40. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunny on Sunday Sunday... Sunny, with a high near 62. Calm wind becoming east around 5 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 35. North wind around 5 mph becoming east in the evening.
Sunny on Monday Monday... Sunny, with a high near 66. East northeast wind 5 to 10 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 38. East northeast wind 5 to 10 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 68. East northeast wind around 5 mph becoming north northwest in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 39. East northeast wind around 5 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 71. East northeast wind 5 to 10 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 46. East wind around 5 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 70. East northeast wind around 5 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 42. East wind around 5 mph.
Sunny on Friday Friday... Sunny, with a high near 70. East northeast wind around 5 mph.
Current Radar Image


Sun Almanac for San Tan Valley, Arizona
Sunrise: 07:27 AM
Sunset: 5:49 PM
Civil Sunrise:07:00 AM
Civil Sunset: 6:16 PM
Nautical Sunrise: 06:30 AM
Nautical Sunset: 6:46 PM
Astro Sunrise: 06:01 AM
Astro Sunset: 7:15 PM
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