Weather in San Luis, AZ
San Luis, Saturday, 8 August, 23:32
Clear. Feels like 99°. High 107°, low 82°.
Monthly outlook for San Luis, AZ: average high 105.5°, average low 85.2°. That is 0.7° above the climate normal for August. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 2 days and 0.3 inches. The warmest day looks like 17 August (109.9°), the coolest 16 August (80.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 105.4° | 104.6° | +0.5° |
| 18 August – 27 August | 105.5° | 103.9° | +0.9° |
| 28 August – 6 September | at normal | 103.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Yuma (12 mi).
0
San Luis, Sunday, 9 August
Clear. High 110°, low 84°.
0San Luis, Monday, 10 August
Clear. High 106°, low 83°.
0
San Luis, Tuesday, 11 August
Mostly clear. High 107°, low 86°.
0.02
San Luis, Wednesday, 12 August
Light rain. High 104°, low 86°.
0.01San Luis, Thursday, 13 August
Light rain. High 101°, low 82°.
0
San Luis, Friday, 14 August
Overcast. High 102°, low 83°.
0San Luis, Saturday, 15 August
Overcast. High 103°, low 83°.
0San Luis, Sunday, 16 August
Clear. High 104°, low 81°.
0San Luis, Monday, 17 August
Clear. High 110°, low 87°.
0
San Luis, Tuesday, 18 August
Partly cloudy. High 109°, low 90°.
0.04San Luis, Wednesday, 19 August
Light rain. High 102°, low 87°.
0San Luis, Thursday, 20 August
Overcast. High 105°, low 87°.
0.03San Luis, Friday, 21 August
Light rain. High 105°, low 88°.
0San Luis, Saturday, 22 August
Overcast. High 106°, low 88°.
0San Luis, Sunday, 23 August
Clear. High 106°, low 86°.
0.03San Luis, Monday, 24 August
Climate normal for this date — 60-year average.
0.04San Luis, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.02San Luis, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.01San Luis, Thursday, 27 August
Climate normal for this date — 60-year average.
0.01San Luis, Friday, 28 August
Climate normal for this date — 60-year average.
0.02San Luis, Saturday, 29 August
Climate normal for this date — 60-year average.
0.02San Luis, Sunday, 30 August
Climate normal for this date — 60-year average.
0.01San Luis, Monday, 31 August
Climate normal for this date — 60-year average.
0.02San Luis, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.01San Luis, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.01San Luis, Thursday, 3 September
Climate normal for this date — 60-year average.
0.03San Luis, Friday, 4 September
Climate normal for this date — 60-year average.
0.02San Luis, Saturday, 5 September
Climate normal for this date — 60-year average.
0.02San Luis, Sunday, 6 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 San Luis, 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 San Luis, 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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