Weather in Winthrop Harbor, IL
Winthrop Harbor, Thursday, 29 October, 20:12
Clear. Feels like 50°. High 67°, low 52°.
Monthly outlook for Winthrop Harbor, IL: average high 58.6°, average low 48.9°. That is 4.9° above the climate normal for October. Precipitation is expected on 8 days (about 2.5 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 3 November (68°), the coolest 6 November (36.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 60.2° | 51.5° | +4.8° |
| 8 November – 17 November | 56° | 46.2° | +5.4° |
| 18 November – 27 November | at normal | 42.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Kenosha (8 mi).
0.04
Winthrop Harbor, Friday, 30 October
Light rain. High 65°, low 47°.
0.93Winthrop Harbor, Saturday, 31 October
Heavy rain. High 57°, low 53°.
0.29Winthrop Harbor, Sunday, 1 November
Heavy rain. High 64°, low 50°.
0
Winthrop Harbor, Monday, 2 November
Overcast. High 60°, low 54°.
0.11Winthrop Harbor, Tuesday, 3 November
Light rain. High 68°, low 60°.
0.26Winthrop Harbor, Wednesday, 4 November
Rain. High 64°, low 53°.
0.09Winthrop Harbor, Thursday, 5 November
Light rain. High 55°, low 47°.
0
Winthrop Harbor, Friday, 6 November
Clear. High 47°, low 36°.
0Winthrop Harbor, Saturday, 7 November
Overcast. High 53°, low 40°.
0.07Winthrop Harbor, Sunday, 8 November
Light rain. High 54°, low 49°.
0.48Winthrop Harbor, Monday, 9 November
Rain. High 53°, low 48°.
0Winthrop Harbor, Tuesday, 10 November
Overcast. High 54°, low 46°.
0Winthrop Harbor, Wednesday, 11 November
Overcast. High 57°, low 49°.
0.23Winthrop Harbor, Thursday, 12 November
Light rain. High 59°, low 53°.
0Winthrop Harbor, Friday, 13 November
Clear. High 59°, low 46°.
0.07
Winthrop Harbor, Saturday, 14 November
Climate normal for this date — 60-year average.
0.08Winthrop Harbor, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05
Winthrop Harbor, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Winthrop Harbor, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Winthrop Harbor, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Winthrop Harbor, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07
Winthrop Harbor, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Winthrop Harbor, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Winthrop Harbor, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Winthrop Harbor, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Winthrop Harbor, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Winthrop Harbor, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.12Winthrop Harbor, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21Winthrop Harbor, Friday, 27 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 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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