Phoenix Mesa Gateway Airport (IWA) Weather 09/18/2025
Today
95
Mostly Sunny then Slight Chance T-storms
Tonight
76
Slight Chance T-storms
Saturday
95
Slight Chance T-storms
Saturday Night
78
Slight Chance T-storms then Mostly Clear
Sunday
99
Sunny
Sunday Night
78
Mostly Clear
Monday
102
Sunny
Monday Night
79
Mostly Clear
Tuesday
103
Sunny
Tuesday Night
77
Mostly Clear
Wednesday
103
Sunny
Wednesday Night
74
Mostly Clear
Thursday
101
Sunny
Weekly Forecast
Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. West wind around 5 mph becoming southeast after midnight.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. East southeast wind around 5 mph becoming west in the afternoon.
Saturday Night
A 10 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 78. West southwest wind around 5 mph becoming east southeast after midnight.
Sunday
Sunny, with a high near 99. South wind around 5 mph becoming west in the morning.
Sunday Night
Mostly clear, with a low around 78. West wind around 5 mph becoming northeast after midnight.
Monday
Sunny, with a high near 102. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 79. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 103. Southeast wind around 5 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. West wind around 5 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 103. Southeast wind 5 to 10 mph becoming west southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 74. West southwest wind around 5 mph becoming southeast after midnight.
Thursday
Sunny, with a high near 101. Southeast wind 5 to 10 mph becoming west southwest in the afternoon.