Weather in Glendale Heights, IL
Glendale Heights, Thursday, 12 November, 08:15
Overcast. Feels like 32°. High 44°, low 38°.
Monthly outlook for Glendale Heights, IL: average high 49.6°, average low 37.8°. That is 2.5° above the climate normal for November. Precipitation is expected on 7 days (about 3.8 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 20 November (60.4°), the coolest 26 November (27°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 50.1° | 46.3° | +2.1° |
| 22 November – 1 December | 48.7° | 41.7° | +3.9° |
| 2 December – 11 December | at normal | 36.5° | — |
November records over 66 years
0Glendale Heights, Friday, 13 November
Overcast. High 42°, low 36°.
0
Glendale Heights, Saturday, 14 November
Clear. High 43°, low 30°.
0Glendale Heights, Sunday, 15 November
Clear. High 45°, low 29°.
0Glendale Heights, Monday, 16 November
Clear. High 48°, low 30°.
0
Glendale Heights, Tuesday, 17 November
Mostly clear. High 50°, low 32°.
0Glendale Heights, Wednesday, 18 November
Overcast. High 55°, low 39°.
0.04
Glendale Heights, Thursday, 19 November
Light rain. High 60°, low 47°.
0.09Glendale Heights, Friday, 20 November
Light rain. High 60°, low 47°.
1.03Glendale Heights, Saturday, 21 November
Rain. High 53°, low 46°.
1Glendale Heights, Sunday, 22 November
Rain. High 57°, low 53°.
0.68Glendale Heights, Monday, 23 November
Rain. High 53°, low 50°.
0.37Glendale Heights, Tuesday, 24 November
Rain. High 57°, low 37°.
0Glendale Heights, Wednesday, 25 November
Overcast. High 37°, low 29°.
0.01
Glendale Heights, Thursday, 26 November
Light snow. High 34°, low 27°.
0.53Glendale Heights, Friday, 27 November
Snow. High 54°, low 37°.
0.11
Glendale 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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