Weather in Carol Stream, IL
Carol Stream, Monday, 26 October, 11:21
Clear. Feels like 61°. High 62°, low 48°.
Monthly outlook for Carol Stream, IL: average high 60.8°, average low 47.7°. That is 4.1° above the climate normal for October. Precipitation is expected on 4 days (about 1.8 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 28 October (69.5°), the coolest 7 November (38°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 62.7° | 54.6° | +4.5° |
| 5 November – 14 November | 57.6° | 49.4° | +4.6° |
| 15 November – 24 November | at normal | 45.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Glendale Heights (3 mi).
0
Carol Stream, Tuesday, 27 October
Overcast. High 68°, low 50°.
0Carol Stream, Wednesday, 28 October
Clear. High 70°, low 54°.
0.02
Carol Stream, Thursday, 29 October
Light rain. High 69°, low 56°.
0Carol Stream, Friday, 30 October
Overcast. High 65°, low 46°.
0.6Carol Stream, Saturday, 31 October
Rain. High 65°, low 53°.
0.27Carol Stream, Sunday, 1 November
Light rain. High 57°, low 55°.
0.01Carol Stream, Monday, 2 November
Light rain. High 59°, low 55°.
0.76Carol Stream, Tuesday, 3 November
Rain. High 60°, low 45°.
0.13Carol Stream, Wednesday, 4 November
Light rain. High 51°, low 44°.
0Carol Stream, Thursday, 5 November
Overcast. High 62°, low 43°.
0.01Carol Stream, Friday, 6 November
Light rain. High 62°, low 44°.
0Carol Stream, Saturday, 7 November
Overcast. High 49°, low 38°.
0
Carol Stream, Sunday, 8 November
Mostly clear. High 55°, low 41°.
0Carol Stream, Monday, 9 November
Overcast. High 58°, low 45°.
0Carol Stream, Tuesday, 10 November
Overcast. High 60°, low 46°.
0.07
Carol Stream, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Carol Stream, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Carol Stream, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Carol Stream, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Carol Stream, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Carol Stream, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Carol Stream, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.11Carol Stream, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Carol Stream, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Carol Stream, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Carol Stream, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Carol Stream, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Carol Stream, Monday, 23 November
Climate normal for this date — 60-year average.
0.07Carol Stream, Tuesday, 24 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 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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