Weather in Casa Grande, AZ
Casa Grande, Sunday, 9 August, 05:00
Partly cloudy. Feels like 90°. High 112°, low 89°.
Monthly outlook for Casa Grande, AZ: average high 102.2°, average low 82.8°. That is 0.7° above the climate normal for August. Precipitation is expected on 5 days (about 0.9 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 9 August (112.1°), the coolest 20 August (77.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 102.7° | 101.1° | +0.9° |
| 19 August – 28 August | 101.2° | 100.9° | +0.2° |
| 29 August – 7 September | at normal | 100.3° | — |
August records over 66 years
0.04
Casa Grande, Monday, 10 August
Light rain. High 109°, low 80°.
0.01Casa Grande, Tuesday, 11 August
Light rain. High 103°, low 80°.
0.24Casa Grande, Wednesday, 12 August
Light rain. High 93°, low 83°.
0.07Casa Grande, Thursday, 13 August
Light rain. High 99°, low 79°.
0
Casa Grande, Friday, 14 August
Overcast. High 99°, low 84°.
0Casa Grande, Saturday, 15 August
Overcast. High 103°, low 84°.
0
Casa Grande, Sunday, 16 August
Clear. High 102°, low 84°.
0Casa Grande, Monday, 17 August
Overcast. High 104°, low 86°.
0Casa Grande, Tuesday, 18 August
Light rain. High 103°, low 87°.
0.37Casa Grande, Wednesday, 19 August
Rain. High 102°, low 78°.
0.14Casa Grande, Thursday, 20 August
Light rain. High 99°, low 77°.
0Casa Grande, Friday, 21 August
Clear. High 99°, low 77°.
0Casa Grande, Saturday, 22 August
Clear. High 103°, low 84°.
0Casa Grande, Sunday, 23 August
Overcast. High 104°, low 87°.
0.01Casa Grande, Monday, 24 August
Light rain. High 100°, low 88°.
0.02
Casa Grande, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06
Casa Grande, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.02Casa Grande, Thursday, 27 August
Climate normal for this date — 60-year average.
0.02Casa Grande, Friday, 28 August
Climate normal for this date — 60-year average.
0.03Casa Grande, Saturday, 29 August
Climate normal for this date — 60-year average.
0.03Casa Grande, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05Casa Grande, Monday, 31 August
Climate normal for this date — 60-year average.
0.06Casa Grande, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.04Casa Grande, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.01Casa Grande, Thursday, 3 September
Climate normal for this date — 60-year average.
0.06Casa Grande, Friday, 4 September
Climate normal for this date — 60-year average.
0.04Casa Grande, Saturday, 5 September
Climate normal for this date — 60-year average.
0.05Casa Grande, Sunday, 6 September
Climate normal for this date — 60-year average.
0.04Casa Grande, Monday, 7 September
Climate normal for this date — 60-year average.
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 Casa Grande, 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 Casa Grande, 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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