Weather in Winnebago, IL
Winnebago, Friday, 13 November, 02:51
Overcast. Feels like 27°. High 43°, low 34°.
Monthly outlook for Winnebago, IL: average high 47.3°, average low 32.8°. That is 2° above the climate normal for November. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 22 November (62°), the coolest 25 November (19.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 52.3° | 45.2° | +3.9° |
| 23 November – 2 December | 38.9° | 40.1° | -0.7° |
| 3 December – 12 December | at normal | 34.7° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Rockford (9 mi).
0
Winnebago, Saturday, 14 November
Clear. High 46°, low 30°.
0Winnebago, Sunday, 15 November
Clear. High 47°, low 28°.
0Winnebago, Monday, 16 November
Clear. High 49°, low 30°.
0Winnebago, Tuesday, 17 November
Overcast. High 52°, low 33°.
0Winnebago, Wednesday, 18 November
Overcast. High 54°, low 35°.
0
Winnebago, Thursday, 19 November
Partly cloudy. High 61°, low 45°.
0Winnebago, Friday, 20 November
Overcast. High 52°, low 39°.
0.31
Winnebago, Saturday, 21 November
Rain. High 57°, low 46°.
0.05Winnebago, Sunday, 22 November
Light rain. High 62°, low 53°.
0.99
Winnebago, Monday, 23 November
Snow. High 57°, low 33°.
0Winnebago, Tuesday, 24 November
Overcast. High 32°, low 24°.
0Winnebago, Wednesday, 25 November
Clear. High 29°, low 20°.
0
Winnebago, Thursday, 26 November
Mostly clear. High 33°, low 21°.
0Winnebago, Friday, 27 November
Partly cloudy. High 38°, low 25°.
0Winnebago, Saturday, 28 November
Overcast. High 43°, low 30°.
0.06Winnebago, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06Winnebago, Monday, 30 November
Climate normal for this date — 60-year average.
0.11
Winnebago, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.06Winnebago, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Winnebago, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Winnebago, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Winnebago, Saturday, 5 December
Climate normal for this date — 60-year average.
0.05Winnebago, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Winnebago, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Winnebago, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Winnebago, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.08Winnebago, Thursday, 10 December
Climate normal for this date — 60-year average.
0.1Winnebago, Friday, 11 December
Climate normal for this date — 60-year average.
0.06Winnebago, Saturday, 12 December
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 Winnebago, 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 Winnebago, 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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