Weather in Glen Ellyn, IL
Glen Ellyn, Saturday, 31 October, 21:16
Partly cloudy. Feels like 54°. High 61°, low 52°.
Monthly outlook for Glen Ellyn, IL: average high 55.5°, average low 46.7°. That is 2.7° above the climate normal for October. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 3 November (70.7°), the coolest 11 November (36.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 58.6° | 52.5° | +3.4° |
| 10 November – 19 November | 50.2° | 47.1° | +1.7° |
| 20 November – 29 November | at normal | 42.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Glendale Heights (4 mi).
0
Glen Ellyn, Sunday, 1 November
Overcast. High 69°, low 54°.
0.08
Glen Ellyn, Monday, 2 November
Light rain. High 63°, low 56°.
0.07Glen Ellyn, Tuesday, 3 November
Light rain. High 71°, low 61°.
0.5Glen Ellyn, Wednesday, 4 November
Rain. High 63°, low 56°.
0.06Glen Ellyn, Thursday, 5 November
Light rain. High 55°, low 51°.
0.11Glen Ellyn, Friday, 6 November
Light rain. High 50°, low 46°.
0
Glen Ellyn, Saturday, 7 November
Partly cloudy. High 55°, low 44°.
0.02Glen Ellyn, Sunday, 8 November
Light rain. High 49°, low 42°.
0
Glen Ellyn, Monday, 9 November
Clear. High 49°, low 40°.
0Glen Ellyn, Tuesday, 10 November
Clear. High 48°, low 40°.
0Glen Ellyn, Wednesday, 11 November
Clear. High 48°, low 37°.
0Glen Ellyn, Thursday, 12 November
Partly cloudy. High 48°, low 41°.
0Glen Ellyn, Friday, 13 November
Overcast. High 58°, low 46°.
0Glen Ellyn, Saturday, 14 November
Overcast. High 50°, low 43°.
0Glen Ellyn, Sunday, 15 November
Clear. High 49°, low 39°.
0.05
Glen Ellyn, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Glen Ellyn, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.11Glen Ellyn, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Glen Ellyn, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Glen Ellyn, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Glen Ellyn, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Glen Ellyn, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Glen Ellyn, Monday, 23 November
Climate normal for this date — 60-year average.
0.07Glen Ellyn, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.08
Glen Ellyn, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.11Glen Ellyn, Thursday, 26 November
Climate normal for this date — 60-year average.
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.
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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