Weather in Custer Park, IL
Custer Park, Saturday, 17 October, 16:35
Clear. Feels like 55°. High 58°, low 37°.
Monthly outlook for Custer Park, IL: average high 65.9°, average low 48°. That is 3.6° above the climate normal for October. Precipitation is expected on 5 days (about 2.0 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 25 October (76°), the coolest 17 October (36.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 67.5° | 60.4° | +4° |
| 27 October – 5 November | 63.1° | 56.5° | +3.6° |
| 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).
0Custer Park, Sunday, 18 October
Clear. High 63°, low 42°.
0Custer Park, Monday, 19 October
Clear. High 65°, low 43°.
0
Custer Park, Tuesday, 20 October
Partly cloudy. High 67°, low 43°.
0Custer Park, Wednesday, 21 October
Clear. High 68°, low 44°.
0
Custer Park, Thursday, 22 October
Overcast. High 67°, low 48°.
0Custer Park, Friday, 23 October
Overcast. High 71°, low 49°.
0Custer Park, Saturday, 24 October
Overcast. High 72°, low 55°.
0Custer Park, Sunday, 25 October
Overcast. High 76°, low 58°.
0.2
Custer Park, Monday, 26 October
Light rain. High 68°, low 56°.
0.05Custer Park, Tuesday, 27 October
Light rain. High 56°, low 45°.
0Custer Park, Wednesday, 28 October
Overcast. High 57°, low 40°.
0.47Custer Park, Thursday, 29 October
Rain. High 60°, low 46°.
0.78Custer Park, Friday, 30 October
Rain. High 66°, low 57°.
0.47Custer Park, Saturday, 31 October
Rain. High 71°, low 55°.
0
Custer Park, Sunday, 1 November
Mostly clear. High 68°, low 49°.
0.09
Custer Park, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Custer 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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