Weather in Winnetka, IL
Winnetka, Saturday, 24 October, 05:50
Mostly clear. Feels like 54°. High 68°, low 51°.
Monthly outlook for Winnetka, IL: average high 58.5°, average low 48.9°. That is 2.9° above the climate normal for October. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 25 October (71.3°), the coolest 6 November (30.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 64.3° | 54.6° | +5.4° |
| 3 November – 12 November | 48.7° | 49.9° | -0.7° |
| 13 November – 22 November | at normal | 45.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Evanston (5 mi).
0
Winnetka, Sunday, 25 October
Overcast. High 71°, low 47°.
0Winnetka, Monday, 26 October
Overcast. High 59°, low 52°.
0Winnetka, Tuesday, 27 October
Overcast. High 61°, low 52°.
0.01
Winnetka, Wednesday, 28 October
Light rain. High 69°, low 53°.
0.07Winnetka, Thursday, 29 October
Light rain. High 70°, low 58°.
0.04Winnetka, Friday, 30 October
Light rain. High 62°, low 58°.
0.39Winnetka, Saturday, 31 October
Rain. High 64°, low 58°.
0.24Winnetka, Sunday, 1 November
Light rain. High 63°, low 57°.
0Winnetka, Monday, 2 November
Overcast. High 57°, low 55°.
0.5Winnetka, Tuesday, 3 November
Rain. High 55°, low 53°.
0Winnetka, Wednesday, 4 November
Overcast. High 54°, low 50°.
0
Winnetka, Thursday, 5 November
Clear. High 49°, low 37°.
0Winnetka, Friday, 6 November
Clear. High 40°, low 30°.
0Winnetka, Saturday, 7 November
Clear. High 43°, low 32°.
0.01Winnetka, Sunday, 8 November
Light rain. High 51°, low 40°.
0.12
Winnetka, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Winnetka, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08
Winnetka, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Winnetka, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05
Winnetka, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Winnetka, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Winnetka, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Winnetka, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Winnetka, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.13Winnetka, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Winnetka, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Winnetka, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Winnetka, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Winnetka, Sunday, 22 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 Winnetka, 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 Winnetka, 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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