Weather in Park Forest, IL
Park Forest, Thursday, 22 October, 09:43
Clear. Feels like 60°. High 72°, low 45°.
Monthly outlook for Park Forest, IL: average high 61.3°, average low 47.1°. That is 2.9° above the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 22 October (71.9°), the coolest 30 October (39.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 65° | 57.6° | +4.1° |
| 1 November – 10 November | 55.3° | 53° | +1.2° |
| 11 November – 20 November | at normal | 47.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arbury Hills (9 mi).
0
Park Forest, Friday, 23 October
Partly cloudy. High 71°, low 46°.
0
Park Forest, Saturday, 24 October
Overcast. High 67°, low 47°.
0Park Forest, Sunday, 25 October
Overcast. High 70°, low 51°.
0Park Forest, Monday, 26 October
Overcast. High 68°, low 50°.
0Park Forest, Tuesday, 27 October
Overcast. High 66°, low 53°.
0Park Forest, Wednesday, 28 October
Overcast. High 68°, low 53°.
0
Park Forest, Thursday, 29 October
Light rain. High 60°, low 46°.
0Park Forest, Friday, 30 October
Clear. High 55°, low 40°.
0.4Park Forest, Saturday, 31 October
Light rain. High 54°, low 44°.
0.38Park Forest, Sunday, 1 November
Rain. High 58°, low 54°.
0Park Forest, Monday, 2 November
Overcast. High 62°, low 51°.
0Park Forest, Tuesday, 3 November
Clear. High 62°, low 46°.
0Park Forest, Wednesday, 4 November
Overcast. High 52°, low 46°.
0Park Forest, Thursday, 5 November
Clear. High 52°, low 42°.
0.47Park Forest, Friday, 6 November
Rain. High 45°, low 40°.
0.06Park Forest, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Park Forest, Sunday, 8 November
Climate normal for this date — 60-year average.
0.14
Park Forest, Monday, 9 November
Climate normal for this date — 60-year average.
0.14Park Forest, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Park Forest, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Park Forest, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Park Forest, Friday, 13 November
Climate normal for this date — 60-year average.
0.08Park Forest, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Park Forest, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Park Forest, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Park Forest, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.14Park Forest, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Park Forest, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Park Forest, Friday, 20 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 Park Forest, 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 Park Forest, 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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