10-day forecast for San Luis, AZ: 82° to 110°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
110°
Best day: Tuesday, August 18
101°
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10106° / 83°0
Morning90°feels 95°
Afternoon106°feels 111°
Evening90°feels 90°
Overnight88°feels 92°
106 °
San Luis, Monday, 10 August
Clear. High 106°, low 83°.
Pressure29.80 inHg
Wind14.4 mph S
Humidity26%
Visibility6.2 mi
Dew point64°
Tue, 11107° / 86°0
Morning90°feels 97°
Afternoon106°feels 106°
Evening94°feels 93°
Overnight89°feels 93°
107 °
San Luis, Tuesday, 11 August
Clear. High 107°, low 86°.
Pressure29.83 inHg
Wind10.9 mph S
Humidity22%
Visibility6.2 mi
Dew point58°
Wed, 12101° / 85°0
Morning88°feels 91°
Afternoon101°feels 103°
Evening91°feels 91°
Overnight87°feels 89°
101 °
San Luis, Wednesday, 12 August
Partly cloudy. High 101°, low 85°.
Pressure29.77 inHg
Wind16.4 mph S
Humidity32%
Visibility6.2 mi
Dew point64°
Thu, 13103° / 83°0
Morning86°feels 88°
Afternoon96°feels 96°
Evening100°feels 100°
Overnight85°feels 90°
103 °
San Luis, Thursday, 13 August
Overcast. High 103°, low 83°.
Pressure29.77 inHg
Wind15.3 mph SE
Humidity34%
Visibility—
Dew point60°
Fri, 14102° / 83°0
Morning86°feels 87°
Afternoon96°feels 95°
Evening99°feels 98°
Overnight86°feels 86°
102 °
San Luis, Friday, 14 August
Overcast. High 102°, low 83°.
Pressure29.83 inHg
Wind13.8 mph SE
Humidity30%
Visibility—
Dew point57°
Sat, 15103° / 82°0
Morning87°feels 86°
Afternoon98°feels 96°
Evening99°feels 97°
Overnight85°feels 84°
103 °
San Luis, Saturday, 15 August
Overcast. High 103°, low 82°.
Pressure29.91 inHg
Wind17.2 mph S
Humidity25%
Visibility—
Dew point54°
Sun, 16106° / 82°0
Morning86°feels 87°
Afternoon99°feels 100°
Evening101°feels 99°
Overnight87°feels 86°
106 °
San Luis, Sunday, 16 August
Overcast. High 106°, low 82°.
Pressure29.94 inHg
Wind14.5 mph S
Humidity30%
Visibility—
Dew point59°
Mon, 17107° / 84°0
Morning88°feels 88°
Afternoon100°feels 99°
Evening105°feels 105°
Overnight92°feels 92°
107 °
San Luis, Monday, 17 August
Overcast. High 107°, low 84°.
Pressure29.91 inHg
Wind9.2 mph S
Humidity25%
Visibility—
Dew point55°
Tue, 18110° / 88°0
Morning92°feels 94°
Afternoon104°feels 105°
Evening107°feels 108°
Overnight92°feels 95°
110 °
San Luis, Tuesday, 18 August
Mostly clear. High 110°, low 88°.
Pressure29.85 inHg
Wind16.8 mph S
Humidity25%
Visibility—
Dew point58°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in San Luis, AZ around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.