Weather in Glen Oak, IL
Glen Oak, Sunday, 18 October, 09:43
Clear. Feels like 44°. High 61°, low 41°.
Monthly outlook for Glen Oak, IL: average high 62.2°, average low 47.8°. That is 3° above the climate normal for October. Precipitation is expected on 6 days (about 1.5 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 24 October (70.1°), the coolest 2 November (38.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 62.9° | 57.8° | +2.8° |
| 28 October – 6 November | 61° | 53.9° | +3.9° |
| 7 November – 16 November | at normal | 48.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Glendale Heights (3 mi).
0Glen Oak, Monday, 19 October
Clear. High 64°, low 43°.
0Glen Oak, Tuesday, 20 October
Clear. High 64°, low 44°.
0Glen Oak, Wednesday, 21 October
Clear. High 65°, low 44°.
0
Glen Oak, Thursday, 22 October
Overcast. High 65°, low 48°.
0Glen Oak, Friday, 23 October
Overcast. High 63°, low 47°.
0Glen Oak, Saturday, 24 October
Overcast. High 70°, low 52°.
0.09
Glen Oak, Sunday, 25 October
Light rain. High 62°, low 52°.
0.09Glen Oak, Monday, 26 October
Light rain. High 53°, low 48°.
0Glen Oak, Tuesday, 27 October
Overcast. High 62°, low 51°.
0.08Glen Oak, Wednesday, 28 October
Light rain. High 61°, low 56°.
0.22Glen Oak, Thursday, 29 October
Light rain. High 69°, low 59°.
0.37Glen Oak, Friday, 30 October
Rain. High 67°, low 55°.
0.6Glen Oak, Saturday, 31 October
Rain. High 65°, low 46°.
0Glen Oak, Sunday, 1 November
Overcast. High 49°, low 41°.
0Glen Oak, Monday, 2 November
Overcast. High 54°, low 39°.
0.06
Glen Oak, Tuesday, 3 November
Climate normal for this date — 60-year average.
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.
0.05
Glen 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.
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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