Weather in Glen Oak, IL
Glen Oak, Monday, 19 October, 05:58
Clear. Feels like 42°. High 67°, low 42°.
Monthly outlook for Glen Oak, IL: average high 60.5°, average low 45.2°. That is 2.3° above the climate normal for October. Precipitation is expected on 2 days (about 0.9 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 22 October (67.6°), the coolest 29 October (34.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 63.5° | 57.4° | +3.4° |
| 29 October – 7 November | 55.6° | 53.5° | +1.1° |
| 8 November – 17 November | at normal | 47.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Glendale Heights (3 mi).
0
Glen Oak, Tuesday, 20 October
Clear. High 67°, low 46°.
0Glen Oak, Wednesday, 21 October
Clear. High 67°, low 44°.
0
Glen Oak, Thursday, 22 October
Overcast. High 68°, low 48°.
0Glen Oak, Friday, 23 October
Overcast. High 65°, low 49°.
0
Glen Oak, Saturday, 24 October
Partly cloudy. High 64°, low 46°.
0Glen Oak, Sunday, 25 October
Overcast. High 67°, low 56°.
0Glen Oak, Monday, 26 October
Partly cloudy. High 67°, low 50°.
0.68
Glen Oak, Tuesday, 27 October
Rain. High 62°, low 45°.
0Glen Oak, Wednesday, 28 October
Clear. High 44°, low 39°.
0
Glen Oak, Thursday, 29 October
Mostly clear. High 46°, low 35°.
0Glen Oak, Friday, 30 October
Clear. High 51°, low 36°.
0Glen Oak, Saturday, 31 October
Overcast. High 51°, low 37°.
0Glen Oak, Sunday, 1 November
Overcast. High 62°, low 46°.
0Glen Oak, Monday, 2 November
Overcast. High 62°, low 52°.
0.19Glen Oak, Tuesday, 3 November
Light rain. High 62°, low 52°.
0.09Glen Oak, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Glen Oak, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Glen Oak, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Glen Oak, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Glen Oak, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Glen Oak, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Glen Oak, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Glen Oak, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Glen Oak, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Glen Oak, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Glen Oak, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Glen Oak, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Glen Oak, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Glen Oak, Tuesday, 17 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 Oak, 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 Oak, 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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