National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Phoenix-Mesa Gateway Airport (KIWA)

Lat: 33.31667°NLon: 111.65°WElev: 1381.0ft.

Mostly Cloudy

93°F

34°C

Humidity 41%
Wind Speed W 5 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 13 Sep 10:53 PM MST
Extended Forecast for

Gilbert AZ

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 83. South wind around 5 mph becoming east after midnight.

    Low: 83 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 101. East wind 5 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 40%.

    High: 101 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 81. South wind around 5 mph becoming east after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 81 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 99. East wind around 5 mph becoming south southeast in the afternoon.

    High: 99 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 80. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 80 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 11am, then a chance of thunderstorms after 5pm. Partly sunny, with a high near 98. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 98 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. East wind around 5 mph.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 100. East wind around 5 mph.

    High: 100 °F

    Slight Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 79. East wind around 5 mph.

    Low: 79 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 83. South wind around 5 mph becoming east after midnight.
Monday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 101. East wind 5 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 40%.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 81. South wind around 5 mph becoming east after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 99. East wind around 5 mph becoming south southeast in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 80. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 11am, then a chance of thunderstorms after 5pm. Partly sunny, with a high near 98. East wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. East wind around 5 mph.
Thursday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 100. East wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 79. East wind around 5 mph.
Friday
Sunny, with a high near 103. East wind around 5 mph becoming southwest in the afternoon.
Friday Night
Clear, with a low around 80. Calm wind becoming east around 5 mph after midnight.
Saturday
Sunny, with a high near 104. East wind around 5 mph becoming west southwest in the afternoon.
Saturday Night
Clear, with a low around 80. Light and variable wind becoming east 5 to 10 mph after midnight.
Sunday
Sunny, with a high near 103. East southeast wind 5 to 10 mph becoming west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gilbert AZ
 33.33°N 111.75°W (Elev. 1273 ft)
Last Update:
11:32 pm MST Sep 13, 2026
Forecast Valid:
11pm MST Sep 13, 2026-6pm MST Sep 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation