Weather in Dupo, IL
Dupo, Sunday, 18 October, 03:44
Clear. Feels like 40°. High 66°, low 42°.
Monthly outlook for Dupo, IL: average high 72.4°, average low 54.6°. That is 4.7° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 1 November (86.7°), the coolest 18 October (41.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 69.5° | 64.8° | +2.6° |
| 28 October – 6 November | 77.1° | 60.8° | +9.1° |
| 7 November – 16 November | at normal | 56° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bella Villa (4 mi).
0
Dupo, Monday, 19 October
Partly cloudy. High 70°, low 46°.
0
Dupo, Tuesday, 20 October
Mostly clear. High 68°, low 48°.
0
Dupo, Wednesday, 21 October
Clear. High 70°, low 49°.
0Dupo, Thursday, 22 October
Clear. High 71°, low 50°.
0Dupo, Friday, 23 October
Clear. High 70°, low 53°.
0
Dupo, Saturday, 24 October
Overcast. High 80°, low 57°.
0Dupo, Sunday, 25 October
Overcast. High 64°, low 58°.
0Dupo, Monday, 26 October
Overcast. High 64°, low 51°.
0Dupo, Tuesday, 27 October
Overcast. High 72°, low 56°.
0Dupo, Wednesday, 28 October
Overcast. High 73°, low 59°.
0.09
Dupo, Thursday, 29 October
Light rain. High 64°, low 59°.
0Dupo, Friday, 30 October
Partly cloudy. High 78°, low 56°.
0.22Dupo, Saturday, 31 October
Rain. High 82°, low 61°.
0Dupo, Sunday, 1 November
Clear. High 87°, low 64°.
0Dupo, Monday, 2 November
Overcast. High 78°, low 67°.
0.11Dupo, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.14Dupo, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.17
Dupo, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Dupo, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Dupo, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Dupo, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Dupo, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Dupo, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.11Dupo, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Dupo, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Dupo, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Dupo, Saturday, 14 November
Climate normal for this date — 60-year average.
0.14Dupo, Sunday, 15 November
Climate normal for this date — 60-year average.
0.12Dupo, 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 Dupo, 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 Dupo, 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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