Weather in Williams Park, IL
Williams Park, Saturday, 31 October, 19:27
Overcast. Feels like 55°. High 61°, low 52°.
Monthly outlook for Williams Park, IL: average high 54.5°, average low 45.5°. That is 2.9° above the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 3 November (71.2°), the coolest 15 November (31.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 59.4° | 51.4° | +4.5° |
| 10 November – 19 November | 46.4° | 46° | +0.3° |
| 20 November – 29 November | at normal | 41.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (10 mi).
0
Williams Park, Sunday, 1 November
Partly cloudy. High 68°, low 54°.
0.13
Williams Park, Monday, 2 November
Light rain. High 59°, low 54°.
0.37Williams Park, Tuesday, 3 November
Rain. High 71°, low 60°.
0.28Williams Park, Wednesday, 4 November
Light rain. High 64°, low 57°.
0.03Williams Park, Thursday, 5 November
Light rain. High 58°, low 54°.
0.02Williams Park, Friday, 6 November
Light rain. High 52°, low 49°.
0Williams Park, Saturday, 7 November
Overcast. High 55°, low 47°.
0Williams Park, Sunday, 8 November
Overcast. High 55°, low 44°.
0Williams Park, Monday, 9 November
Light rain. High 51°, low 43°.
0
Williams Park, Tuesday, 10 November
Clear. High 56°, low 38°.
0Williams Park, Wednesday, 11 November
Clear. High 48°, low 35°.
0
Williams Park, Thursday, 12 November
Mostly clear. High 47°, low 34°.
0.34Williams Park, Friday, 13 November
Rain. High 41°, low 37°.
0.04Williams Park, Saturday, 14 November
Light rain. High 43°, low 38°.
0Williams Park, Sunday, 15 November
Clear. High 44°, low 32°.
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.
0.21Williams Park, Friday, 27 November
Climate normal for this date — 60-year average.
0.12Williams Park, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Williams Park, Sunday, 29 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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