Weather in Oak Park, IL
Oak Park, Wednesday, 21 October, 05:25
Clear. Feels like 50°. High 72°, low 46°.
Monthly outlook for Oak Park, IL: average high 62°, average low 50.1°. That is 3.3° above the climate normal for October. Precipitation is expected on 7 days (about 1.5 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 22 October (73.2°), the coolest 30 October (42.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 63.9° | 57.2° | +3.7° |
| 31 October – 9 November | 58.8° | 53° | +3.2° |
| 10 November – 19 November | at normal | 47.5° | — |
October records over 66 years
0
Oak Park, Thursday, 22 October
Clear. High 73°, low 46°.
0
Oak Park, Friday, 23 October
Mostly clear. High 68°, low 51°.
0
Oak Park, Saturday, 24 October
Partly cloudy. High 68°, low 50°.
0
Oak Park, Sunday, 25 October
Overcast. High 69°, low 51°.
0Oak Park, Monday, 26 October
Overcast. High 67°, low 53°.
0.07
Oak Park, Tuesday, 27 October
Light rain. High 54°, low 52°.
0.1Oak Park, Wednesday, 28 October
Light rain. High 61°, low 53°.
0.07Oak Park, Thursday, 29 October
Light rain. High 55°, low 45°.
0Oak Park, Friday, 30 October
Clear. High 53°, low 42°.
0Oak Park, Saturday, 31 October
Overcast. High 52°, low 43°.
0.4Oak Park, Sunday, 1 November
Rain. High 51°, low 46°.
0.21Oak Park, Monday, 2 November
Light rain. High 54°, low 51°.
0Oak Park, Tuesday, 3 November
Overcast. High 58°, low 54°.
0.56Oak Park, Wednesday, 4 November
Rain. High 65°, low 54°.
0.1Oak Park, Thursday, 5 November
Light rain. High 72°, low 64°.
0.07Oak Park, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Oak Park, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Oak Park, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Oak Park, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Oak Park, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Oak Park, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Oak Park, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Oak Park, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Oak Park, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Oak Park, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Oak Park, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Oak Park, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.13Oak Park, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Oak Park, Thursday, 19 November
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 Oak 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 Oak 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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