Weather in Custer Park, IL
Custer Park, Saturday, 17 October, 04:46
Clear. Feels like 33°. High 56°, low 38°.
Monthly outlook for Custer Park, IL: average high 64.8°, average low 47.5°. That is 3° above the climate normal for October. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 25 October (75.3°), the coolest 27 October (36.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 66.8° | 60.4° | +3.5° |
| 27 October – 5 November | 61.5° | 56.5° | +2.8° |
| 6 November – 15 November | at normal | 51° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lorenzo (9 mi).
0
Custer Park, Sunday, 18 October
Clear. High 63°, low 42°.
0Custer Park, Monday, 19 October
Clear. High 66°, low 43°.
0Custer Park, Tuesday, 20 October
Clear. High 67°, low 44°.
0.02
Custer Park, Wednesday, 21 October
Light rain. High 69°, low 46°.
0Custer Park, Thursday, 22 October
Clear. High 70°, low 49°.
0
Custer Park, Friday, 23 October
Overcast. High 72°, low 54°.
0Custer Park, Saturday, 24 October
Overcast. High 70°, low 55°.
0Custer Park, Sunday, 25 October
Overcast. High 75°, low 57°.
0.23Custer Park, Monday, 26 October
Rain. High 60°, low 44°.
0Custer Park, Tuesday, 27 October
Overcast. High 53°, low 37°.
0.13Custer Park, Wednesday, 28 October
Light rain. High 57°, low 47°.
0.02Custer Park, Thursday, 29 October
Light rain. High 60°, low 49°.
0Custer Park, Friday, 30 October
Overcast. High 63°, low 45°.
1.16Custer Park, Saturday, 31 October
Heavy rain. High 69°, low 57°.
0.18Custer Park, Sunday, 1 November
Rain. High 67°, low 51°.
0.09
Custer Park, Monday, 2 November
Climate normal for this date — 60-year average.
0.07
Custer Park, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Custer Park, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Custer Park, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Custer Park, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Custer Park, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Custer Park, Sunday, 8 November
Climate normal for this date — 60-year average.
0.14Custer Park, Monday, 9 November
Climate normal for this date — 60-year average.
0.14Custer Park, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Custer Park, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Custer Park, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Custer Park, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Custer Park, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Custer Park, Sunday, 15 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 Custer 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 Custer 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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