Weather in Williams Park, IL
Williams Park, Thursday, 29 October, 22:36
Clear. Feels like 49°. High 68°, low 49°.
Monthly outlook for Williams Park, IL: average high 56.7°, average low 46.2°. That is 3.4° above the climate normal for October. Precipitation is expected on 6 days (about 1.7 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 3 November (70.3°), the coolest 11 November (32.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 62.8° | 52.3° | +5.8° |
| 8 November – 17 November | 46.5° | 46.7° | -0.1° |
| 18 November – 27 November | at normal | 43.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (10 mi).
0.02
Williams Park, Friday, 30 October
Light rain. High 61°, low 47°.
0.37Williams Park, Saturday, 31 October
Rain. High 63°, low 50°.
0.04Williams Park, Sunday, 1 November
Light rain. High 69°, low 50°.
0
Williams Park, Monday, 2 November
Overcast. High 62°, low 53°.
0.19Williams Park, Tuesday, 3 November
Light rain. High 70°, low 58°.
0.39Williams Park, Wednesday, 4 November
Rain. High 65°, low 59°.
0.01Williams Park, Thursday, 5 November
Light rain. High 60°, low 50°.
0Williams Park, Friday, 6 November
Overcast. High 55°, low 45°.
0
Williams Park, Saturday, 7 November
Partly cloudy. High 55°, low 42°.
0Williams Park, Sunday, 8 November
Overcast. High 49°, low 42°.
0.43Williams Park, Monday, 9 November
Rain. High 48°, low 43°.
0Williams Park, Tuesday, 10 November
Light rain. High 44°, low 37°.
0Williams Park, Wednesday, 11 November
Partly cloudy. High 45°, low 32°.
0.22Williams Park, Thursday, 12 November
Light rain. High 42°, low 40°.
0.03Williams Park, Friday, 13 November
Light rain. High 51°, low 41°.
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.
0.05
Williams 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.
0.21Williams Park, Friday, 27 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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