Weather in Winnebago, IL
Winnebago, Friday, 30 October, 06:21
Overcast. Feels like 40°. High 57°, low 40°.
Monthly outlook for Winnebago, IL: average high 60.3°, average low 48.7°. That is 5.6° above the climate normal for October. Precipitation is expected on 10 days (about 3.3 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 1 November (69.4°), the coolest 30 October (39.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 60.7° | 52.3° | +4.6° |
| 9 November – 18 November | 59.6° | 46.5° | +7.3° |
| 19 November – 28 November | at normal | 42.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Rockford (9 mi).
0.77
Winnebago, Saturday, 31 October
Heavy rain. High 62°, low 52°.
0Winnebago, Sunday, 1 November
Overcast. High 69°, low 51°.
0.16Winnebago, Monday, 2 November
Light rain. High 60°, low 56°.
0.66Winnebago, Tuesday, 3 November
Rain. High 68°, low 61°.
0.79Winnebago, Wednesday, 4 November
Rain. High 64°, low 54°.
0.18Winnebago, Thursday, 5 November
Light rain. High 58°, low 49°.
0Winnebago, Friday, 6 November
Overcast. High 53°, low 40°.
0Winnebago, Saturday, 7 November
Overcast. High 55°, low 40°.
0.08Winnebago, Sunday, 8 November
Light rain. High 59°, low 49°.
0
Winnebago, Monday, 9 November
Clear. High 61°, low 44°.
0.01Winnebago, Tuesday, 10 November
Light rain. High 60°, low 45°.
0.14Winnebago, Wednesday, 11 November
Light rain. High 57°, low 52°.
0.03Winnebago, Thursday, 12 November
Light rain. High 62°, low 50°.
0.33Winnebago, Friday, 13 November
Rain. High 54°, low 45°.
0.13Winnebago, Saturday, 14 November
Light rain. High 63°, low 53°.
0.07
Winnebago, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05
Winnebago, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Winnebago, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.09Winnebago, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Winnebago, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07
Winnebago, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Winnebago, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Winnebago, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Winnebago, Monday, 23 November
Climate normal for this date — 60-year average.
0.07Winnebago, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.07Winnebago, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.11Winnebago, Thursday, 26 November
Climate normal for this date — 60-year average.
0.18Winnebago, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Winnebago, Saturday, 28 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 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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