St George Regional Airport (SGU) Weather 07/13/2026
Tonight
75
Clear
Thursday
108
Hot
Thursday Night
76
Clear
Friday
107
Hot
Friday Night
76
Clear
Saturday
108
Hot
Saturday Night
79
Mostly Clear
Sunday
107
Hot
Sunday Night
80
Partly Cloudy
Monday
105
Mostly Sunny then Slight Chance T-storms
Monday Night
81
Partly Cloudy
Tuesday
104
Mostly Sunny then Slight Chance T-storms
Tuesday Night
80
Slight Chance T-storms then Partly Cloudy
Weekly Forecast
Tonight
Clear, with a low around 75. West wind 5 to 13 mph becoming east southeast after midnight.
Thursday
Sunny and hot, with a high near 108. Light and variable wind becoming west 8 to 13 mph in the afternoon.
Thursday Night
Clear, with a low around 76. West wind 5 to 14 mph becoming east after midnight.
Friday
Sunny and hot, with a high near 107. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Friday Night
Clear, with a low around 76. West wind 6 to 11 mph becoming light and variable after midnight.
Saturday
Sunny and hot, with a high near 108.
Saturday Night
Mostly clear, with a low around 79.
Sunday
Sunny and hot, with a high near 107.
Sunday Night
Partly cloudy, with a low around 80.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 105.
Monday Night
Partly cloudy, with a low around 81.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 104.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80.