Weather in Glen Ellyn, IL
Glen Ellyn, Wednesday, 11 November, 03:36
Clear. Feels like 43°. High 56°, low 41°.
Monthly outlook for Glen Ellyn, IL: average high 44.2°, average low 33.5°. That is 0.6° below the climate normal for November. Precipitation is expected on 4 days (about 2.9 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 11 November (56.2°), the coolest 24 November (18.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 48° | 46.6° | +0.7° |
| 21 November – 30 November | 38.1° | 42.3° | -2.4° |
| 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
Overcast. High 47°, low 35°.
0
Glen Ellyn, Friday, 13 November
Partly cloudy. High 42°, low 31°.
0
Glen Ellyn, Saturday, 14 November
Clear. High 43°, low 29°.
0Glen Ellyn, Sunday, 15 November
Overcast. High 47°, low 31°.
0Glen Ellyn, Monday, 16 November
Partly cloudy. High 48°, low 31°.
0Glen Ellyn, Tuesday, 17 November
Partly cloudy. High 49°, low 38°.
0Glen Ellyn, Wednesday, 18 November
Clear. High 51°, low 38°.
0.01
Glen Ellyn, Thursday, 19 November
Light rain. High 48°, low 41°.
1.19Glen Ellyn, Friday, 20 November
Rain. High 50°, low 47°.
1.33Glen Ellyn, Saturday, 21 November
Rain. High 49°, low 42°.
0Glen Ellyn, Sunday, 22 November
Light rain. High 38°, low 30°.
0.2
Glen Ellyn, Monday, 23 November
Light snow. High 30°, low 22°.
0
Glen Ellyn, Tuesday, 24 November
Mostly clear. High 30°, low 19°.
0Glen Ellyn, Wednesday, 25 November
Overcast. High 37°, low 27°.
0Glen Ellyn, Thursday, 26 November
Mostly clear. High 44°, low 34°.
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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