Weather in North Chicago, IL
North Chicago, Wednesday, 21 October, 15:29
Clear. Feels like 70°. High 71°, low 41°.
Monthly outlook for North Chicago, IL: average high 61.2°, average low 49.1°. That is 4° above the climate normal for October. Precipitation is expected on 8 days (about 4.4 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 22 October (72.1°), the coolest 30 October (36.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 62.9° | 55.2° | +4.3° |
| 31 October – 9 November | 58.5° | 51.1° | +4.1° |
| 10 November – 19 November | at normal | 45.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Park City (3 mi).
0North Chicago, Thursday, 22 October
Clear. High 72°, low 45°.
0North Chicago, Friday, 23 October
Clear. High 67°, low 48°.
0
North Chicago, Saturday, 24 October
Overcast. High 66°, low 51°.
0.03
North Chicago, Sunday, 25 October
Light rain. High 69°, low 53°.
0North Chicago, Monday, 26 October
Overcast. High 68°, low 50°.
0.06North Chicago, Tuesday, 27 October
Light rain. High 57°, low 52°.
0.37North Chicago, Wednesday, 28 October
Rain. High 57°, low 46°.
0
North Chicago, Thursday, 29 October
Partly cloudy. High 47°, low 39°.
0North Chicago, Friday, 30 October
Overcast. High 53°, low 36°.
0.2North Chicago, Saturday, 31 October
Light rain. High 60°, low 50°.
0.92North Chicago, Sunday, 1 November
Rain. High 60°, low 57°.
0.88North Chicago, Monday, 2 November
Rain. High 59°, low 57°.
1.23North Chicago, Tuesday, 3 November
Rain. High 59°, low 56°.
0.46North Chicago, Wednesday, 4 November
Rain. High 60°, low 54°.
0.24North Chicago, Thursday, 5 November
Light rain. High 53°, low 49°.
0.08North Chicago, Friday, 6 November
Climate normal for this date — 60-year average.
0.05
North Chicago, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06North Chicago, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12
North Chicago, Monday, 9 November
Climate normal for this date — 60-year average.
0.11North Chicago, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08North Chicago, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06North Chicago, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05North Chicago, Friday, 13 November
Climate normal for this date — 60-year average.
0.07North Chicago, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09North Chicago, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05North Chicago, Monday, 16 November
Climate normal for this date — 60-year average.
0.09North Chicago, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.11North Chicago, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07North Chicago, Thursday, 19 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 North Chicago, 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 North Chicago, 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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