Weather in Glen Ellyn, IL
Glen Ellyn, Saturday, 14 November, 09:46
Clear. Feels like 33°. High 47°, low 30°.
Monthly outlook for Glen Ellyn, IL: average high 50.4°, average low 37.4°. That is 3.4° above the climate normal for November. Precipitation is expected on 4 days (about 1.3 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 21 November (63.1°), the coolest 23 November (28.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 51.6° | 45.9° | +3.2° |
| 24 November – 3 December | 48.5° | 40.7° | +4.3° |
| 4 December – 13 December | at normal | 35.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Glendale Heights (4 mi).
0Glen Ellyn, Sunday, 15 November
Clear. High 49°, low 31°.
0Glen Ellyn, Monday, 16 November
Clear. High 49°, low 31°.
0
Glen Ellyn, Tuesday, 17 November
Mostly clear. High 51°, low 32°.
0
Glen Ellyn, Wednesday, 18 November
Overcast. High 55°, low 37°.
0.01
Glen Ellyn, Thursday, 19 November
Light rain. High 56°, low 46°.
0
Glen Ellyn, Friday, 20 November
Partly cloudy. High 57°, low 45°.
0.04Glen Ellyn, Saturday, 21 November
Light rain. High 63°, low 54°.
0.04Glen Ellyn, Sunday, 22 November
Light rain. High 49°, low 35°.
0Glen Ellyn, Monday, 23 November
Mostly clear. High 39°, low 29°.
0Glen Ellyn, Tuesday, 24 November
Overcast. High 41°, low 30°.
0.15Glen Ellyn, Wednesday, 25 November
Rain. High 43°, low 39°.
0.07Glen Ellyn, Thursday, 26 November
Light rain. High 50°, low 41°.
0.01Glen Ellyn, Friday, 27 November
Light rain. High 63°, low 52°.
0.94Glen Ellyn, Saturday, 28 November
Heavy rain. High 59°, low 38°.
0Glen Ellyn, Sunday, 29 November
Overcast. High 35°, low 29°.
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.
0.11Glen Ellyn, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Glen Ellyn, Saturday, 12 December
Climate normal for this date — 60-year average.
0.05Glen Ellyn, Sunday, 13 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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