Weather in University Park, IL
University Park, Sunday, 9 August, 05:05
Clear. Feels like 64°. High 85°, low 63°.
Monthly outlook for University Park, IL: average high 82.9°, average low 66.2°. That is 1.7° above the climate normal for August. Precipitation is expected on 8 days (about 1.7 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 22 August (91.9°), the coolest 14 August (58.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 79.8° | 80° | -0.1° |
| 19 August – 28 August | 88° | 80° | +4.4° |
| 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 (12 mi).
0.1
University Park, Monday, 10 August
Light rain. High 90°, low 70°.
0.42University Park, Tuesday, 11 August
Rain. High 81°, low 69°.
0.04University Park, Wednesday, 12 August
Light rain. High 83°, low 69°.
0.05University Park, Thursday, 13 August
Light rain. High 74°, low 63°.
0.09University Park, Friday, 14 August
Light rain. High 74°, low 58°.
0.06University Park, Saturday, 15 August
Light rain. High 76°, low 59°.
0.06University Park, Sunday, 16 August
Light rain. High 77°, low 61°.
0.03University Park, Monday, 17 August
Light rain. High 79°, low 64°.
0
University Park, Tuesday, 18 August
Mostly clear. High 79°, low 63°.
0.04University Park, Wednesday, 19 August
Light rain. High 84°, low 66°.
0
University Park, Thursday, 20 August
Overcast. High 91°, low 72°.
0University Park, Friday, 21 August
Mostly clear. High 86°, low 73°.
0
University Park, Saturday, 22 August
Clear. High 92°, low 69°.
0University Park, Sunday, 23 August
Overcast. High 91°, low 71°.
0.71University Park, Monday, 24 August
Heavy rain. High 85°, low 69°.
0.09
University Park, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15
University Park, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12University Park, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15University Park, Friday, 28 August
Climate normal for this date — 60-year average.
0.13University Park, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09University Park, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06University Park, Monday, 31 August
Climate normal for this date — 60-year average.
0.13University Park, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07University Park, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.07University Park, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09University Park, Friday, 4 September
Climate normal for this date — 60-year average.
0.07University Park, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11University Park, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15University Park, 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 University Park, 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 University Park, 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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