Weather in Custer Park, IL
Custer Park, Sunday, 18 October, 23:45
Clear. Feels like 45°. High 64°, low 40°.
Monthly outlook for Custer Park, IL: average high 64.7°, average low 47.7°. That is 3.2° above the climate normal for October. Precipitation is expected on 4 days (about 1.0 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 30 October (71.6°), the coolest 18 October (39.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 66.6° | 60° | +3.7° |
| 28 October – 6 November | 61.5° | 56.1° | +3° |
| 7 November – 16 November | at normal | 50.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lorenzo (9 mi).
0
Custer Park, Monday, 19 October
Clear. High 67°, low 40°.
0Custer Park, Tuesday, 20 October
Clear. High 69°, low 42°.
0Custer Park, Wednesday, 21 October
Clear. High 68°, low 45°.
0
Custer Park, Thursday, 22 October
Overcast. High 68°, low 48°.
0Custer Park, Friday, 23 October
Clear. High 66°, low 47°.
0Custer Park, Saturday, 24 October
Overcast. High 70°, low 47°.
0Custer Park, Sunday, 25 October
Overcast. High 65°, low 52°.
0.01
Custer Park, Monday, 26 October
Light rain. High 64°, low 46°.
0Custer Park, Tuesday, 27 October
Overcast. High 66°, low 55°.
0.18Custer Park, Wednesday, 28 October
Light rain. High 58°, low 54°.
0.13Custer Park, Thursday, 29 October
Light rain. High 61°, low 54°.
0.33Custer Park, Friday, 30 October
Light rain. High 72°, low 58°.
0Custer Park, Saturday, 31 October
Overcast. High 60°, low 53°.
0.39Custer Park, Sunday, 1 November
Rain. High 62°, low 41°.
0Custer Park, Monday, 2 November
Clear. High 55°, low 43°.
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.
0.14
Custer 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.
0.05Custer Park, 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 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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