10-day forecast for Grand Canyon Caverns, AZ: 64° to 98°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
98°
Best day: Sunday, August 9
78° · 0.48 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1096° / 72°0
Morning80°feels 80°
Afternoon94°feels 91°
Evening82°feels 81°
Overnight76°feels 75°
96 °
Grand Canyon Caverns, Monday, 10 August
Overcast. High 96°, low 72°.
Pressure29.94 inHg
Wind10.3 mph W
Humidity28%
Visibility6.2 mi
Dew point52°
Tue, 1187° / 66°0.15
Morning77°feels 76°
Afternoon84°feels 83°
Evening66°feels 66°
Overnight72°feels 72°
87 °
Grand Canyon Caverns, Tuesday, 11 August
Rain. High 87°, low 66°.
Pressure29.97 inHg
Wind12.3 mph W
Humidity36%
Visibility6.2 mi
Dew point55°
Wed, 1285° / 68°0.08
Morning72°feels 72°
Afternoon85°feels 83°
Evening77°feels 77°
Overnight70°feels 69°
85 °
Grand Canyon Caverns, Wednesday, 12 August
Light rain. High 85°, low 68°.
Pressure29.88 inHg
Wind9.6 mph SW
Humidity38%
Visibility6.2 mi
Dew point53°
Thu, 1378° / 64°0.48
Morning65°feels 65°
Afternoon77°feels 76°
Evening76°feels 76°
Overnight68°feels 68°
78 °
Grand Canyon Caverns, Thursday, 13 August
Rain. High 78°, low 64°.
Pressure29.88 inHg
Wind17.3 mph SW
Humidity47%
Visibility—
Dew point53°
Fri, 1481° / 66°0.02
Morning69°feels 69°
Afternoon78°feels 77°
Evening77°feels 77°
Overnight70°feels 69°
81 °
Grand Canyon Caverns, Friday, 14 August
Light rain. High 81°, low 66°.
Pressure29.97 inHg
Wind20 mph S
Humidity40%
Visibility—
Dew point50°
Sat, 1583° / 67°0
Morning70°feels 69°
Afternoon78°feels 77°
Evening81°feels 79°
Overnight73°feels 71°
83 °
Grand Canyon Caverns, Saturday, 15 August
Overcast. High 83°, low 67°.
Pressure30.06 inHg
Wind12.1 mph SW
Humidity40%
Visibility—
Dew point50°
Sun, 1686° / 69°0
Morning73°feels 71°
Afternoon83°feels 81°
Evening83°feels 81°
Overnight74°feels 73°
86 °
Grand Canyon Caverns, Sunday, 16 August
Overcast. High 86°, low 69°.
Pressure30.09 inHg
Wind17.7 mph SW
Humidity30%
Visibility—
Dew point46°
Mon, 1788° / 71°0.02
Morning74°feels 73°
Afternoon83°feels 82°
Evening83°feels 81°
Overnight76°feels 75°
88 °
Grand Canyon Caverns, Monday, 17 August
Light rain. High 88°, low 71°.
Pressure30.06 inHg
Wind12.1 mph SE
Humidity29%
Visibility—
Dew point46°
Tue, 1890° / 72°0.01
Morning76°feels 74°
Afternoon85°feels 83°
Evening76°feels 75°
Overnight73°feels 73°
90 °
Grand Canyon Caverns, Tuesday, 18 August
Light rain. High 90°, low 72°.
Pressure30.00 inHg
Wind20 mph E
Humidity27%
Visibility—
Dew point47°
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 Grand Canyon Caverns, 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.