Weather in Oakbrook Terrace, IL
Oakbrook Terrace, Sunday, 9 August, 03:33
Clear. Feels like 65°. High 84°, low 64°.
Monthly outlook for Oakbrook Terrace, IL: average high 84.7°, average low 69.3°. That is 2.5° above the climate normal for August. Precipitation is expected on 6 days (about 1.8 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 23 August (95.7°), the coolest 9 August (63.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 81.8° | 80.2° | +0.9° |
| 19 August – 28 August | 89.5° | 80.3° | +5.1° |
| 29 August – 7 September | at normal | 78.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — La Grange Park (5 mi).
0.88
Oakbrook Terrace, Monday, 10 August
Rain. High 89°, low 71°.
0.05Oakbrook Terrace, Tuesday, 11 August
Light rain. High 81°, low 69°.
0.04Oakbrook Terrace, Wednesday, 12 August
Light rain. High 87°, low 71°.
0
Oakbrook Terrace, Thursday, 13 August
Overcast. High 77°, low 68°.
0Oakbrook Terrace, Friday, 14 August
Overcast. High 76°, low 64°.
0Oakbrook Terrace, Saturday, 15 August
Overcast. High 80°, low 66°.
0.01Oakbrook Terrace, Sunday, 16 August
Light rain. High 79°, low 67°.
0.02Oakbrook Terrace, Monday, 17 August
Light rain. High 84°, low 67°.
0Oakbrook Terrace, Tuesday, 18 August
Overcast. High 81°, low 68°.
0.11Oakbrook Terrace, Wednesday, 19 August
Light rain. High 87°, low 68°.
0Oakbrook Terrace, Thursday, 20 August
Overcast. High 85°, low 75°.
0
Oakbrook Terrace, Friday, 21 August
Clear. High 88°, low 75°.
0Oakbrook Terrace, Saturday, 22 August
Clear. High 95°, low 71°.
0.02Oakbrook Terrace, Sunday, 23 August
Light rain. High 96°, low 73°.
0.06Oakbrook Terrace, Monday, 24 August
Light rain. High 87°, low 70°.
0.08
Oakbrook Terrace, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16
Oakbrook Terrace, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14Oakbrook Terrace, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14Oakbrook Terrace, Friday, 28 August
Climate normal for this date — 60-year average.
0.11Oakbrook Terrace, Saturday, 29 August
Climate normal for this date — 60-year average.
0.09Oakbrook Terrace, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Oakbrook Terrace, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Oakbrook Terrace, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Oakbrook Terrace, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Oakbrook Terrace, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Oakbrook Terrace, Friday, 4 September
Climate normal for this date — 60-year average.
0.07Oakbrook Terrace, Saturday, 5 September
Climate normal for this date — 60-year average.
0.1Oakbrook Terrace, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Oakbrook Terrace, 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 Oakbrook Terrace, 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 Oakbrook Terrace, 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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