Weather in Glendale Heights, IL
Glendale Heights, Thursday, 12 November, 22:39
Overcast. Feels like 29°. High 44°, low 38°.
Monthly outlook for Glendale Heights, IL: average high 49.6°, average low 37.5°. That is 2.5° above the climate normal for November. Precipitation is expected on 2 days (about 1.3 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 22 November (62.5°), the coolest 26 November (26.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 50.7° | 46.3° | +2.5° |
| 22 November – 1 December | 47.8° | 41.7° | +3.4° |
| 2 December – 11 December | at normal | 36.5° | — |
November records over 66 years
0
Glendale Heights, Friday, 13 November
Partly cloudy. High 43°, low 34°.
0
Glendale Heights, Saturday, 14 November
Clear. High 44°, low 30°.
0Glendale Heights, Sunday, 15 November
Clear. High 46°, low 29°.
0Glendale Heights, Monday, 16 November
Clear. High 48°, low 30°.
0Glendale Heights, Tuesday, 17 November
Partly cloudy. High 51°, low 32°.
0Glendale Heights, Wednesday, 18 November
Overcast. High 52°, low 34°.
0.02
Glendale Heights, Thursday, 19 November
Light rain. High 61°, low 48°.
0Glendale Heights, Friday, 20 November
Overcast. High 56°, low 45°.
0Glendale Heights, Saturday, 21 November
Overcast. High 61°, low 51°.
0Glendale Heights, Sunday, 22 November
Overcast. High 63°, low 53°.
0.1Glendale Heights, Monday, 23 November
Light rain. High 58°, low 56°.
1.2Glendale Heights, Tuesday, 24 November
Heavy rain. High 57°, low 34°.
0Glendale Heights, Wednesday, 25 November
Overcast. High 35°, low 30°.
0Glendale Heights, Thursday, 26 November
Clear. High 33°, low 27°.
0Glendale Heights, Friday, 27 November
Overcast. High 41°, low 29°.
0.11Glendale Heights, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06Glendale Heights, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Glendale Heights, Monday, 30 November
Climate normal for this date — 60-year average.
0.15
Glendale Heights, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06Glendale Heights, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.08Glendale Heights, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Glendale Heights, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Glendale Heights, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Glendale Heights, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Glendale Heights, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Glendale Heights, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.08Glendale Heights, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Glendale Heights, Thursday, 10 December
Climate normal for this date — 60-year average.
0.11Glendale Heights, Friday, 11 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 Glendale Heights, 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 Glendale Heights, 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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