Phoenix Mesa Gateway Airport (IWA) Weather 08/02/2026
Tonight
86
Mostly Clear
Monday
110
Hot
Monday Night
86
Partly Cloudy then Slight Chance T-storms
Tuesday
109
Slight Chance T-storms then Mostly Sunny
Tuesday Night
85
Partly Cloudy
Wednesday
110
Hot
Wednesday Night
87
Mostly Clear
Thursday
113
Hot
Thursday Night
88
Mostly Clear
Friday
114
Hot
Friday Night
88
Partly Cloudy
Saturday
113
Hot
Saturday Night
87
Slight Chance T-storms then Mostly Cloudy
Weekly Forecast
Tonight
Mostly clear, with a low around 86. West northwest wind around 5 mph becoming southeast after midnight.
Monday
Sunny and hot, with a high near 110. Heat index values as high as 113. South wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 86. West wind around 5 mph becoming calm after midnight.
Tuesday
A 10 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 109. South southeast wind 5 to 10 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 85. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 110. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 87. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny and hot, with a high near 113. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 88. West wind around 5 mph becoming calm after midnight.
Friday
Mostly sunny and hot, with a high near 114. Southeast wind 5 to 10 mph becoming west in the morning.
Friday Night
Partly cloudy, with a low around 88. West wind 5 to 10 mph becoming southeast after midnight.
Saturday
Mostly sunny and hot, with a high near 113. South southeast wind around 5 mph becoming west in the afternoon.
Saturday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 87. West wind around 5 mph becoming east southeast after midnight.