Weather in West Chicago, IL
West Chicago, Wednesday, 11 November, 21:50
Overcast. Feels like 42°. High 54°, low 40°.
Monthly outlook for West Chicago, IL: average high 46.9°, average low 34.8°. That is 0.8° above the climate normal for November. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 22 November (56.3°), the coolest 26 November (23.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 49.3° | 46.6° | +1.5° |
| 21 November – 30 November | 42.9° | 42.3° | +0.3° |
| 1 December – 10 December | at normal | 36.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Glendale Heights (8 mi).
0West Chicago, Thursday, 12 November
Overcast. High 48°, low 33°.
0West Chicago, Friday, 13 November
Overcast. High 45°, low 32°.
0
West Chicago, Saturday, 14 November
Clear. High 43°, low 28°.
0West Chicago, Sunday, 15 November
Clear. High 45°, low 28°.
0
West Chicago, Monday, 16 November
Mostly clear. High 49°, low 30°.
0West Chicago, Tuesday, 17 November
Mostly clear. High 50°, low 32°.
0West Chicago, Wednesday, 18 November
Clear. High 52°, low 34°.
0West Chicago, Thursday, 19 November
Overcast. High 52°, low 38°.
0West Chicago, Friday, 20 November
Overcast. High 56°, low 45°.
0West Chicago, Saturday, 21 November
Overcast. High 49°, low 43°.
0.09
West Chicago, Sunday, 22 November
Light rain. High 56°, low 45°.
0West Chicago, Monday, 23 November
Overcast. High 45°, low 41°.
0.85
West Chicago, Tuesday, 24 November
Snow. High 41°, low 33°.
0.02West Chicago, Wednesday, 25 November
Light snow. High 35°, low 30°.
0West Chicago, Thursday, 26 November
Mostly clear. High 31°, low 24°.
0.2West Chicago, Friday, 27 November
Climate normal for this date — 60-year average.
0.11
West Chicago, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06West Chicago, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07West Chicago, Monday, 30 November
Climate normal for this date — 60-year average.
0.15
West Chicago, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06West Chicago, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.08West Chicago, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06West Chicago, Friday, 4 December
Climate normal for this date — 60-year average.
0.08West Chicago, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06West Chicago, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12West Chicago, Monday, 7 December
Climate normal for this date — 60-year average.
0.07West Chicago, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.08West Chicago, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09West Chicago, Thursday, 10 December
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 West Chicago, 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 West Chicago, 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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