Weather in Homer Glen, IL
Homer Glen, Sunday, 9 August, 05:33
Mostly clear. Feels like 66°. High 85°, low 64°.
Monthly outlook for Homer Glen, IL: average high 83.2°, average low 67°. That is 1.9° above the climate normal for August. Precipitation is expected on 8 days (about 1.2 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 23 August (92.4°), the coolest 14 August (59.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.2° | 80° | +0.1° |
| 19 August – 28 August | 88.3° | 80° | +4.6° |
| 29 August – 7 September | at normal | 78.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Orland Hills (6 mi).
0.25
Homer Glen, Monday, 10 August
Rain. High 90°, low 71°.
0.23Homer Glen, Tuesday, 11 August
Rain. High 80°, low 69°.
0.04Homer Glen, Wednesday, 12 August
Light rain. High 84°, low 69°.
0.05Homer Glen, Thursday, 13 August
Light rain. High 76°, low 63°.
0.02Homer Glen, Friday, 14 August
Light rain. High 74°, low 60°.
0.06Homer Glen, Saturday, 15 August
Light rain. High 76°, low 61°.
0.03Homer Glen, Sunday, 16 August
Light rain. High 78°, low 62°.
0.02Homer Glen, Monday, 17 August
Light rain. High 80°, low 65°.
0
Homer Glen, Tuesday, 18 August
Partly cloudy. High 79°, low 65°.
0.06Homer Glen, Wednesday, 19 August
Light rain. High 85°, low 67°.
0
Homer Glen, Thursday, 20 August
Overcast. High 88°, low 72°.
0
Homer Glen, Friday, 21 August
Clear. High 86°, low 73°.
0Homer Glen, Saturday, 22 August
Clear. High 92°, low 70°.
0Homer Glen, Sunday, 23 August
Overcast. High 92°, low 71°.
0.21Homer Glen, Monday, 24 August
Rain. High 87°, low 69°.
0.09Homer Glen, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15
Homer Glen, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12Homer Glen, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15Homer Glen, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Homer Glen, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Homer Glen, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Homer Glen, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Homer Glen, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Homer Glen, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07Homer Glen, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Homer Glen, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Homer Glen, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Homer Glen, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15Homer Glen, 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 Homer Glen, IL 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 Homer Glen, IL 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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