Weather in Williams Park, IL
Williams Park, Thursday, 22 October, 22:16
Clear. Feels like 52°. High 72°, low 45°.
Monthly outlook for Williams Park, IL: average high 62°, average low 48.9°. That is 4.5° above the climate normal for October. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 22 October (72.2°), the coolest 5 November (37°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 66.1° | 55.3° | +6° |
| 1 November – 10 November | 55.2° | 50.8° | +2.4° |
| 11 November – 20 November | at normal | 45.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (10 mi).
0
Williams Park, Friday, 23 October
Clear. High 72°, low 47°.
0.05
Williams Park, Saturday, 24 October
Light rain. High 69°, low 46°.
0Williams Park, Sunday, 25 October
Clear. High 71°, low 52°.
0
Williams Park, Monday, 26 October
Overcast. High 62°, low 52°.
0Williams Park, Tuesday, 27 October
Overcast. High 61°, low 51°.
0Williams Park, Wednesday, 28 October
Overcast. High 68°, low 54°.
0.02Williams Park, Thursday, 29 October
Light rain. High 70°, low 57°.
0.27Williams Park, Friday, 30 October
Light rain. High 57°, low 53°.
0.46Williams Park, Saturday, 31 October
Rain. High 60°, low 53°.
0.02Williams Park, Sunday, 1 November
Light rain. High 63°, low 52°.
0.02Williams Park, Monday, 2 November
Light rain. High 57°, low 47°.
0.08Williams Park, Tuesday, 3 November
Light rain. High 52°, low 49°.
0.11Williams Park, Wednesday, 4 November
Light rain. High 50°, low 42°.
0Williams Park, Thursday, 5 November
Overcast. High 51°, low 37°.
0Williams Park, Friday, 6 November
Clear. High 58°, low 44°.
0.05
Williams Park, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Williams Park, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Williams Park, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Williams Park, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Williams Park, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06
Williams Park, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Williams Park, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Williams Park, Saturday, 14 November
Climate normal for this date — 60-year average.
0.08Williams Park, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Williams Park, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Williams Park, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Williams Park, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Williams Park, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Williams Park, Friday, 20 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 Williams 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 Williams 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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