Weather in Glen Oak, IL
Glen Oak, Wednesday, 21 October, 00:51
Clear. Feels like 49°. High 72°, low 42°.
Monthly outlook for Glen Oak, IL: average high 59.3°, average low 45.3°. That is 2° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 22 October (74.2°), the coolest 29 October (38.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 62.2° | 57° | +2.9° |
| 31 October – 9 November | 54.4° | 52.5° | +1° |
| 10 November – 19 November | at normal | 47.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Glendale Heights (3 mi).
0
Glen Oak, Thursday, 22 October
Clear. High 74°, low 45°.
0Glen Oak, Friday, 23 October
Clear. High 67°, low 54°.
0
Glen Oak, Saturday, 24 October
Overcast. High 66°, low 49°.
0Glen Oak, Sunday, 25 October
Overcast. High 69°, low 51°.
0.01
Glen Oak, Monday, 26 October
Light rain. High 68°, low 48°.
0.09Glen Oak, Tuesday, 27 October
Light rain. High 49°, low 42°.
0Glen Oak, Wednesday, 28 October
Overcast. High 49°, low 43°.
0
Glen Oak, Thursday, 29 October
Partly cloudy. High 52°, low 38°.
0Glen Oak, Friday, 30 October
Clear. High 54°, low 40°.
0Glen Oak, Saturday, 31 October
Clear. High 60°, low 43°.
0.23Glen Oak, Sunday, 1 November
Rain. High 54°, low 50°.
0Glen Oak, Monday, 2 November
Clear. High 58°, low 48°.
0Glen Oak, Tuesday, 3 November
Overcast. High 50°, low 41°.
0Glen Oak, Wednesday, 4 November
Overcast. High 51°, low 46°.
0
Glen Oak, Thursday, 5 November
Mostly clear. High 54°, low 45°.
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.
0.11Glen Oak, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Glen Oak, Thursday, 19 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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