Weather in Carol Stream, IL
Carol Stream, Wednesday, 11 November, 08:44
Overcast. Feels like 46°. High 53°, low 40°.
Monthly outlook for Carol Stream, IL: average high 45.9°, average low 34.6°. That is 0.3° above the climate normal for November. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 11 November (53.4°), the coolest 14 November (29°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 47.7° | 46.6° | +0.6° |
| 21 November – 30 November | 43° | 42.3° | +0.4° |
| 1 December – 10 December | at normal | 36.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Glendale Heights (3 mi).
0Carol Stream, Thursday, 12 November
Overcast. High 47°, low 34°.
0Carol Stream, Friday, 13 November
Overcast. High 42°, low 33°.
0Carol Stream, Saturday, 14 November
Overcast. High 42°, low 29°.
0Carol Stream, Sunday, 15 November
Overcast. High 46°, low 31°.
0Carol Stream, Monday, 16 November
Overcast. High 49°, low 32°.
0
Carol Stream, Tuesday, 17 November
Clear. High 48°, low 36°.
0
Carol Stream, Wednesday, 18 November
Partly cloudy. High 49°, low 36°.
0.01
Carol Stream, Thursday, 19 November
Light rain. High 49°, low 37°.
0.07Carol Stream, Friday, 20 November
Light rain. High 52°, low 41°.
0.38Carol Stream, Saturday, 21 November
Rain. High 48°, low 37°.
0
Carol Stream, Sunday, 22 November
Light snow. High 38°, low 32°.
0Carol Stream, Monday, 23 November
Clear. High 39°, low 30°.
0
Carol Stream, Tuesday, 24 November
Mostly clear. High 45°, low 31°.
0.09Carol Stream, Wednesday, 25 November
Light rain. High 45°, low 36°.
0.11Carol Stream, Thursday, 26 November
Light rain. High 42°, low 39°.
0.2Carol Stream, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Carol Stream, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06Carol Stream, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Carol Stream, Monday, 30 November
Climate normal for this date — 60-year average.
0.15
Carol Stream, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06Carol Stream, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.08Carol Stream, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Carol Stream, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Carol Stream, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Carol Stream, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Carol Stream, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Carol Stream, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.08Carol Stream, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Carol Stream, Thursday, 10 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 Carol Stream, 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 Carol Stream, 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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