10-day forecast for Summit, AZ: 72° to 106°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
106°
Best day: Sunday, August 9
100° · 0.92 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 09106° / 85°0
Morning93°feels 96°
Afternoon104°feels 103°
Evening96°feels 104°
Overnight90°feels 92°
106 °
Summit, Sunday, 9 August
Light rain. High 106°, low 85°.
Pressure29.83 inHg
Wind5.9 mph NW
Humidity27%
Visibility6.2 mi
Dew point58°
Mon, 10100° / 72°0.92
Morning83°feels 84°
Afternoon98°feels 98°
Evening73°feels 74°
Overnight85°feels 88°
100 °
Summit, Monday, 10 August
Heavy rain. High 100°, low 72°.
Pressure29.88 inHg
Wind8 mph NW
Humidity32%
Visibility6.2 mi
Dew point60°
Tue, 1193° / 74°0.15
Morning79°feels 79°
Afternoon92°feels 92°
Evening89°feels 90°
Overnight75°feels 76°
93 °
Summit, Tuesday, 11 August
Rain. High 93°, low 74°.
Pressure29.94 inHg
Wind9.2 mph NW
Humidity39%
Visibility6.2 mi
Dew point60°
Wed, 1292° / 76°0.25
Morning82°feels 83°
Afternoon89°feels 90°
Evening89°feels 90°
Overnight79°feels 79°
92 °
Summit, Wednesday, 12 August
Light rain. High 92°, low 76°.
Pressure29.88 inHg
Wind3.9 mph W
Humidity45%
Visibility6.2 mi
Dew point63°
Thu, 1394° / 75°0.09
Morning79°feels 79°
Afternoon89°feels 88°
Evening93°feels 91°
Overnight83°feels 82°
94 °
Summit, Thursday, 13 August
Light rain. High 94°, low 75°.
Pressure29.88 inHg
Wind9.7 mph NW
Humidity39%
Visibility—
Dew point58°
Fri, 1497° / 80°0
Morning83°feels 83°
Afternoon92°feels 90°
Evening96°feels 94°
Overnight86°feels 85°
97 °
Summit, Friday, 14 August
Overcast. High 97°, low 80°.
Pressure29.94 inHg
Wind7.8 mph NW
Humidity32%
Visibility—
Dew point56°
Sat, 15100° / 77°0.18
Morning86°feels 85°
Afternoon95°feels 93°
Evening96°feels 94°
Overnight78°feels 78°
100 °
Summit, Saturday, 15 August
Rain. High 100°, low 77°.
Pressure29.94 inHg
Wind15.4 mph S
Humidity28%
Visibility—
Dew point55°
Sun, 1697° / 73°0.38
Morning82°feels 82°
Afternoon87°feels 87°
Evening74°feels 74°
Overnight76°feels 77°
97 °
Summit, Sunday, 16 August
Rain. High 97°, low 73°.
Pressure30.00 inHg
Wind11.9 mph NW
Humidity37%
Visibility—
Dew point59°
Mon, 1795° / 75°0
Morning79°feels 79°
Afternoon89°feels 88°
Evening94°feels 93°
Overnight85°feels 85°
95 °
Summit, Monday, 17 August
Partly cloudy. High 95°, low 75°.
Pressure30.03 inHg
Wind7.5 mph W
Humidity37%
Visibility—
Dew point57°
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 Summit, 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.