Weather in Channahon, IL
Channahon, Sunday, 18 October, 12:43
Clear. Feels like 59°. High 62°, low 40°.
Monthly outlook for Channahon, IL: average high 63.6°, average low 47.1°. That is 2.5° above the climate normal for October. Precipitation is expected on 6 days (about 1.9 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 24 October (72.6°), the coolest 2 November (37°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 64.3° | 60° | +2.4° |
| 28 October – 6 November | 62.3° | 56.1° | +3.4° |
| 7 November – 16 November | at normal | 50.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lorenzo (6 mi).
0Channahon, Monday, 19 October
Clear. High 66°, low 40°.
0Channahon, Tuesday, 20 October
Clear. High 65°, low 43°.
0Channahon, Wednesday, 21 October
Clear. High 67°, low 45°.
0
Channahon, Thursday, 22 October
Overcast. High 68°, low 46°.
0
Channahon, Friday, 23 October
Partly cloudy. High 64°, low 48°.
0Channahon, Saturday, 24 October
Overcast. High 73°, low 52°.
0.05
Channahon, Sunday, 25 October
Light rain. High 62°, low 49°.
0.11Channahon, Monday, 26 October
Light rain. High 50°, low 48°.
0Channahon, Tuesday, 27 October
Overcast. High 67°, low 50°.
0.09Channahon, Wednesday, 28 October
Light rain. High 64°, low 57°.
0.41Channahon, Thursday, 29 October
Light rain. High 70°, low 59°.
0.69Channahon, Friday, 30 October
Heavy rain. High 72°, low 54°.
0.57Channahon, Saturday, 31 October
Rain. High 65°, low 47°.
0Channahon, Sunday, 1 November
Overcast. High 49°, low 40°.
0Channahon, Monday, 2 November
Partly cloudy. High 55°, low 37°.
0.07Channahon, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Channahon, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Channahon, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Channahon, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Channahon, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Channahon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.14
Channahon, Monday, 9 November
Climate normal for this date — 60-year average.
0.14Channahon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Channahon, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Channahon, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Channahon, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Channahon, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Channahon, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Channahon, Monday, 16 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 Channahon, 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 Channahon, 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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