Weather in Bolton, IL
Bolton, Tuesday, 20 October, 23:25
Clear. Feels like 45°. High 69°, low 41°.
Monthly outlook for Bolton, IL: average high 59.2°, average low 41.7°. That is 2.1° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 22 October (74.1°), the coolest 28 October (31°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 63° | 56.6° | +3.6° |
| 30 October – 8 November | 52.7° | 52.1° | +0.4° |
| 9 November – 18 November | at normal | 46.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Freeport (6 mi).
0
Bolton, Wednesday, 21 October
Clear. High 72°, low 43°.
0Bolton, Thursday, 22 October
Clear. High 74°, low 46°.
0Bolton, Friday, 23 October
Clear. High 69°, low 52°.
0
Bolton, Saturday, 24 October
Overcast. High 68°, low 52°.
0Bolton, Sunday, 25 October
Overcast. High 70°, low 53°.
0.27
Bolton, Monday, 26 October
Rain. High 65°, low 38°.
0.03Bolton, Tuesday, 27 October
Light rain. High 45°, low 34°.
0Bolton, Wednesday, 28 October
Clear. High 47°, low 31°.
0Bolton, Thursday, 29 October
Clear. High 51°, low 35°.
0Bolton, Friday, 30 October
Clear. High 53°, low 34°.
0Bolton, Saturday, 31 October
Clear. High 57°, low 41°.
0.06Bolton, Sunday, 1 November
Light rain. High 54°, low 49°.
0Bolton, Monday, 2 November
Clear. High 56°, low 42°.
0Bolton, Tuesday, 3 November
Overcast. High 49°, low 35°.
0Bolton, Wednesday, 4 November
Overcast. High 47°, low 40°.
0.1
Bolton, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08
Bolton, Friday, 6 November
Climate normal for this date — 60-year average.
0.03
Bolton, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Bolton, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Bolton, Monday, 9 November
Climate normal for this date — 60-year average.
0.09Bolton, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Bolton, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Bolton, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Bolton, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Bolton, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Bolton, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Bolton, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Bolton, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Bolton, Wednesday, 18 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 Bolton, 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 Bolton, 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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