Weather in Park Forest, IL
Park Forest, Sunday, 18 October, 06:00
Clear. Feels like 32°. High 63°, low 38°.
Monthly outlook for Park Forest, IL: average high 66.4°, average low 50.3°. That is 4.8° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 1 November (78.3°), the coolest 18 October (38°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 63.6° | 58.6° | +2.8° |
| 28 October – 6 November | 70.9° | 55° | +8.8° |
| 7 November – 16 November | at normal | 49.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arbury Hills (9 mi).
0
Park Forest, Monday, 19 October
Clear. High 63°, low 43°.
0Park Forest, Tuesday, 20 October
Clear. High 65°, low 44°.
0Park Forest, Wednesday, 21 October
Clear. High 66°, low 46°.
0
Park Forest, Thursday, 22 October
Overcast. High 67°, low 49°.
0Park Forest, Friday, 23 October
Clear. High 61°, low 49°.
0Park Forest, Saturday, 24 October
Overcast. High 73°, low 56°.
0Park Forest, Sunday, 25 October
Overcast. High 63°, low 49°.
0Park Forest, Monday, 26 October
Overcast. High 57°, low 44°.
0.1
Park Forest, Tuesday, 27 October
Light rain. High 58°, low 49°.
0Park Forest, Wednesday, 28 October
Overcast. High 69°, low 52°.
0Park Forest, Thursday, 29 October
Overcast. High 68°, low 59°.
0Park Forest, Friday, 30 October
Clear. High 72°, low 53°.
0.02Park Forest, Saturday, 31 October
Light rain. High 75°, low 58°.
0Park Forest, Sunday, 1 November
Overcast. High 78°, low 62°.
0
Park Forest, Monday, 2 November
Partly cloudy. High 63°, low 54°.
0.07Park Forest, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Park Forest, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Park Forest, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08
Park Forest, Friday, 6 November
Climate normal for this date — 60-year average.
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.
0.14Park 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.
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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