Weather in Columbia, IL
Columbia, Monday, 19 October, 01:10
Clear. Feels like 45°. High 71°, low 42°.
Monthly outlook for Columbia, IL: average high 67.7°, average low 52.2°. That is 2.4° above the climate normal for October. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 24 October (73.9°), the coolest 19 October (41.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 68.9° | 64.5° | +2.5° |
| 29 October – 7 November | 65.6° | 60.4° | +2.9° |
| 8 November – 17 November | at normal | 55.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bella Villa (7 mi).
0
Columbia, Tuesday, 20 October
Mostly clear. High 74°, low 46°.
0
Columbia, Wednesday, 21 October
Clear. High 70°, low 48°.
0Columbia, Thursday, 22 October
Clear. High 70°, low 51°.
0Columbia, Friday, 23 October
Clear. High 69°, low 49°.
0
Columbia, Saturday, 24 October
Overcast. High 74°, low 49°.
0Columbia, Sunday, 25 October
Overcast. High 67°, low 57°.
0Columbia, Monday, 26 October
Overcast. High 73°, low 54°.
0.02
Columbia, Tuesday, 27 October
Light rain. High 62°, low 57°.
0.14Columbia, Wednesday, 28 October
Light rain. High 59°, low 55°.
0.06Columbia, Thursday, 29 October
Light rain. High 69°, low 57°.
0.23Columbia, Friday, 30 October
Light rain. High 74°, low 66°.
0.72Columbia, Saturday, 31 October
Rain. High 64°, low 58°.
0.12Columbia, Sunday, 1 November
Light rain. High 66°, low 49°.
0Columbia, Monday, 2 November
Mostly clear. High 64°, low 46°.
0.01Columbia, Tuesday, 3 November
Light rain. High 57°, low 52°.
0.14
Columbia, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.17
Columbia, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Columbia, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Columbia, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Columbia, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Columbia, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Columbia, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Columbia, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Columbia, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Columbia, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Columbia, Saturday, 14 November
Climate normal for this date — 60-year average.
0.14Columbia, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12Columbia, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Columbia, Tuesday, 17 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 Columbia, 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 Columbia, 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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