Weather in Williams Park, IL
Williams Park, Wednesday, 28 October, 08:37
Clear. Feels like 54°. High 73°, low 52°.
Monthly outlook for Williams Park, IL: average high 55.6°, average low 45.9°. That is 2.5° above the climate normal for October. Precipitation is expected on 8 days (about 3.5 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 28 October (72.6°), the coolest 8 November (33.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 60.5° | 52.7° | +4.3° |
| 7 November – 16 November | 47.3° | 47.2° | +0.1° |
| 17 November – 26 November | at normal | 43.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (10 mi).
0.06
Williams Park, Thursday, 29 October
Light rain. High 67°, low 54°.
0.01Williams Park, Friday, 30 October
Light rain. High 61°, low 44°.
0.75Williams Park, Saturday, 31 October
Heavy rain. High 56°, low 51°.
0
Williams Park, Sunday, 1 November
Overcast. High 62°, low 48°.
0.04Williams Park, Monday, 2 November
Light rain. High 65°, low 51°.
1.25Williams Park, Tuesday, 3 November
Rain. High 58°, low 55°.
0.5Williams Park, Wednesday, 4 November
Rain. High 56°, low 55°.
0.29Williams Park, Thursday, 5 November
Rain. High 57°, low 52°.
0
Williams Park, Friday, 6 November
Mostly clear. High 51°, low 39°.
0Williams Park, Saturday, 7 November
Overcast. High 46°, low 37°.
0Williams Park, Sunday, 8 November
Clear. High 49°, low 34°.
0Williams Park, Monday, 9 November
Overcast. High 52°, low 37°.
0.49Williams Park, Tuesday, 10 November
Rain. High 51°, low 46°.
0.06Williams Park, Wednesday, 11 November
Light rain. High 45°, low 40°.
0Williams Park, Thursday, 12 November
Overcast. High 42°, low 40°.
0.05
Williams 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.
0.07
Williams Park, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Williams Park, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Williams Park, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Williams Park, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Williams Park, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Williams Park, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.12Williams Park, Thursday, 26 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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