Weather in Carol Stream, IL
Carol Stream, Monday, 26 October, 03:26
Clear. Feels like 53°. High 66°, low 50°.
Monthly outlook for Carol Stream, IL: average high 58.3°, average low 47°. That is 2.8° above the climate normal for October. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 29 October (68.8°), the coolest 9 November (34.4°).
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 | 51° | 49.4° | +0.9° |
| 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 66°, low 51°.
0.01
Carol Stream, Wednesday, 28 October
Light rain. High 65°, low 52°.
0.05Carol Stream, Thursday, 29 October
Light rain. High 69°, low 55°.
0Carol Stream, Friday, 30 October
Overcast. High 65°, low 47°.
0.09Carol Stream, Saturday, 31 October
Light rain. High 63°, low 53°.
0Carol Stream, Sunday, 1 November
Overcast. High 65°, low 52°.
0Carol Stream, Monday, 2 November
Overcast. High 58°, low 54°.
0Carol Stream, Tuesday, 3 November
Overcast. High 59°, low 53°.
0Carol Stream, Wednesday, 4 November
Overcast. High 51°, low 43°.
0
Carol Stream, Thursday, 5 November
Mostly clear. High 48°, low 39°.
0Carol Stream, Friday, 6 November
Mostly clear. High 51°, low 36°.
0.12Carol Stream, Saturday, 7 November
Light rain. High 52°, low 46°.
0.09Carol Stream, Sunday, 8 November
Light rain. High 53°, low 40°.
0Carol Stream, Monday, 9 November
Mostly clear. High 49°, low 34°.
0.03Carol Stream, Tuesday, 10 November
Light rain. High 52°, low 48°.
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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