Weather in Forest Park, IL
Forest Park, Saturday, 24 October, 02:34
Mostly clear. Feels like 54°. High 69°, low 50°.
Monthly outlook for Forest Park, IL: average high 65.1°, average low 52.1°. That is 5.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.2 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 29 October (74.1°), the coolest 4 November (46°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 67.4° | 55.9° | +6.4° |
| 3 November – 12 November | 61.2° | 51° | +5.7° |
| 13 November – 22 November | at normal | 46.6° | — |
October records over 66 years
0
Forest Park, Sunday, 25 October
Overcast. High 72°, low 48°.
0Forest Park, Monday, 26 October
Overcast. High 64°, low 50°.
0Forest Park, Tuesday, 27 October
Overcast. High 63°, low 51°.
0Forest Park, Wednesday, 28 October
Overcast. High 70°, low 54°.
0.01
Forest Park, Thursday, 29 October
Light rain. High 74°, low 55°.
0.05Forest Park, Friday, 30 October
Light rain. High 70°, low 63°.
0.12Forest Park, Saturday, 31 October
Light rain. High 73°, low 60°.
0.04Forest Park, Sunday, 1 November
Light rain. High 63°, low 55°.
0
Forest Park, Monday, 2 November
Clear. High 56°, low 48°.
0Forest Park, Tuesday, 3 November
Overcast. High 51°, low 47°.
0Forest Park, Wednesday, 4 November
Overcast. High 54°, low 46°.
0Forest Park, Thursday, 5 November
Overcast. High 64°, low 47°.
0
Forest Park, Friday, 6 November
Partly cloudy. High 73°, low 52°.
0Forest Park, Saturday, 7 November
Overcast. High 65°, low 57°.
0Forest Park, Sunday, 8 November
Overcast. High 61°, low 50°.
0.13
Forest Park, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Forest Park, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Forest Park, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Forest Park, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Forest Park, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Forest Park, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Forest Park, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Forest Park, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Forest Park, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.15Forest Park, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Forest Park, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1Forest Park, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Forest Park, Saturday, 21 November
Climate normal for this date — 60-year average.
0.05
Forest Park, Sunday, 22 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 Forest 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 Forest 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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