Weather in Grand Canyon, AZ
Grand Canyon, Sunday, 9 August, 05:30
Overcast. Feels like 66°. High 103°, low 68°.
0.02
Grand Canyon, Monday, 10 August
Light rain. High 110°, low 70°.
0.65Grand Canyon, Tuesday, 11 August
Heavy rain. High 87°, low 59°.
0.23Grand Canyon, Wednesday, 12 August
Rain. High 82°, low 61°.
0.9Grand Canyon, Thursday, 13 August
Rain. High 70°, low 59°.
0.04Grand Canyon, Friday, 14 August
Light rain. High 75°, low 60°.
0Grand Canyon, Saturday, 15 August
Overcast. High 79°, low 64°.
0
Grand Canyon, Sunday, 16 August
Partly cloudy. High 82°, low 64°.
0
Grand Canyon, Monday, 17 August
Clear. High 84°, low 64°.
0Grand Canyon, Tuesday, 18 August
Light rain. High 83°, low 66°.
0.51Grand Canyon, Wednesday, 19 August
Rain. High 80°, low 59°.
0.06Grand Canyon, Thursday, 20 August
Light rain. High 80°, low 61°.
0.66Grand Canyon, Friday, 21 August
Rain. High 78°, low 58°.
0.01Grand Canyon, Saturday, 22 August
Light rain. High 81°, low 62°.
0Grand Canyon, Sunday, 23 August
Overcast. High 83°, low 65°.
0.05Grand Canyon, Monday, 24 August
Light rain. High 81°, low 59°.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Grand Canyon, AZ are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Grand Canyon, AZ since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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