Weather in Winthrop Harbor, IL
Winthrop Harbor, Wednesday, 11 November, 21:47
Overcast. Feels like 44°. High 53°, low 40°.
Monthly outlook for Winthrop Harbor, IL: average high 47.6°, average low 36.3°. That is 2° above the climate normal for November. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 5 days and 1.2 inches. The warmest day looks like 22 November (57.7°), the coolest 26 November (26.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 49.6° | 45.1° | +2.5° |
| 21 November – 30 November | 44.3° | 41.3° | +1.7° |
| 1 December – 10 December | at normal | 36.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Kenosha (8 mi).
0Winthrop Harbor, Thursday, 12 November
Overcast. High 47°, low 31°.
0Winthrop Harbor, Friday, 13 November
Overcast. High 44°, low 30°.
0
Winthrop Harbor, Saturday, 14 November
Mostly clear. High 44°, low 30°.
0
Winthrop Harbor, Sunday, 15 November
Clear. High 46°, low 30°.
0Winthrop Harbor, Monday, 16 November
Overcast. High 50°, low 31°.
0Winthrop Harbor, Tuesday, 17 November
Mostly clear. High 52°, low 35°.
0Winthrop Harbor, Wednesday, 18 November
Clear. High 52°, low 38°.
0Winthrop Harbor, Thursday, 19 November
Overcast. High 53°, low 42°.
0Winthrop Harbor, Friday, 20 November
Overcast. High 55°, low 48°.
0Winthrop Harbor, Saturday, 21 November
Overcast. High 49°, low 45°.
0.18
Winthrop Harbor, Sunday, 22 November
Rain. High 58°, low 45°.
0Winthrop Harbor, Monday, 23 November
Overcast. High 44°, low 42°.
0.77
Winthrop Harbor, Tuesday, 24 November
Snow. High 43°, low 35°.
0.01Winthrop Harbor, Wednesday, 25 November
Light snow. High 39°, low 33°.
0Winthrop Harbor, Thursday, 26 November
Clear. High 32°, low 26°.
0.21Winthrop Harbor, Friday, 27 November
Climate normal for this date — 60-year average.
0.12
Winthrop Harbor, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Winthrop Harbor, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07
Winthrop Harbor, Monday, 30 November
Climate normal for this date — 60-year average.
0.14Winthrop Harbor, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Winthrop Harbor, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Winthrop Harbor, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Winthrop Harbor, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Winthrop Harbor, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Winthrop Harbor, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Winthrop Harbor, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Winthrop Harbor, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Winthrop Harbor, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Winthrop Harbor, Thursday, 10 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 Winthrop Harbor, 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 Winthrop Harbor, 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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