Weather in Glen Ellyn, IL
Glen Ellyn, Wednesday, 11 November, 23:26
Overcast. Feels like 41°. High 54°, low 40°.
Monthly outlook for Glen Ellyn, IL: average high 47.8°, average low 36.2°. That is 1.3° above the climate normal for November. Precipitation is expected on 3 days (about 1.2 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 22 November (56.8°), the coolest 26 November (26.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 49.8° | 46.6° | +1.8° |
| 21 November – 30 November | 44.4° | 42.3° | +1.2° |
| 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 (4 mi).
0
Glen Ellyn, Thursday, 12 November
Partly cloudy. High 48°, low 33°.
0Glen Ellyn, Friday, 13 November
Overcast. High 45°, low 32°.
0
Glen Ellyn, Saturday, 14 November
Clear. High 44°, low 29°.
0
Glen Ellyn, Sunday, 15 November
Mostly clear. High 46°, low 29°.
0Glen Ellyn, Monday, 16 November
Partly cloudy. High 49°, low 30°.
0Glen Ellyn, Tuesday, 17 November
Mostly clear. High 51°, low 33°.
0Glen Ellyn, Wednesday, 18 November
Clear. High 53°, low 38°.
0Glen Ellyn, Thursday, 19 November
Overcast. High 54°, low 41°.
0Glen Ellyn, Friday, 20 November
Overcast. High 56°, low 48°.
0Glen Ellyn, Saturday, 21 November
Overcast. High 51°, low 46°.
0.04
Glen Ellyn, Sunday, 22 November
Light rain. High 57°, low 47°.
0Glen Ellyn, Monday, 23 November
Overcast. High 46°, low 43°.
0.95
Glen Ellyn, Tuesday, 24 November
Snow. High 44°, low 34°.
0.04Glen Ellyn, Wednesday, 25 November
Light snow. High 37°, low 32°.
0Glen Ellyn, Thursday, 26 November
Clear. High 32°, low 27°.
0.2Glen Ellyn, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Glen Ellyn, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06Glen Ellyn, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Glen Ellyn, Monday, 30 November
Climate normal for this date — 60-year average.
0.15
Glen Ellyn, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06Glen Ellyn, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.08Glen Ellyn, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Glen Ellyn, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Glen Ellyn, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Glen Ellyn, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Glen Ellyn, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Glen Ellyn, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.08Glen Ellyn, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Glen Ellyn, 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 Glen Ellyn, 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 Glen Ellyn, 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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