Weather in North Chicago, IL
North Chicago, Tuesday, 20 October, 09:51
Clear. Feels like 56°. High 67°, low 42°.
Monthly outlook for North Chicago, IL: average high 57.3°, average low 42.7°. That is 1.6° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 21 October (71.3°), the coolest 28 October (31.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 60.5° | 55.5° | +2.8° |
| 30 October – 8 November | 51.9° | 51.6° | +0.2° |
| 9 November – 18 November | at normal | 46.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Park City (3 mi).
0North Chicago, Wednesday, 21 October
Clear. High 71°, low 43°.
0
North Chicago, Thursday, 22 October
Partly cloudy. High 66°, low 47°.
0
North Chicago, Friday, 23 October
Mostly clear. High 63°, low 50°.
0North Chicago, Saturday, 24 October
Partly cloudy. High 66°, low 48°.
0
North Chicago, Sunday, 25 October
Overcast. High 66°, low 54°.
0.37
North Chicago, Monday, 26 October
Rain. High 66°, low 41°.
0.07North Chicago, Tuesday, 27 October
Light rain. High 46°, low 37°.
0North Chicago, Wednesday, 28 October
Clear. High 46°, low 32°.
0North Chicago, Thursday, 29 October
Clear. High 48°, low 39°.
0North Chicago, Friday, 30 October
Clear. High 43°, low 33°.
0North Chicago, Saturday, 31 October
Partly cloudy. High 48°, low 34°.
0North Chicago, Sunday, 1 November
Light rain. High 49°, low 44°.
0North Chicago, Monday, 2 November
Clear. High 56°, low 41°.
0North Chicago, Tuesday, 3 November
Overcast. High 59°, low 48°.
0.49North Chicago, Wednesday, 4 November
Rain. High 57°, low 51°.
0.11North Chicago, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08North Chicago, Friday, 6 November
Climate normal for this date — 60-year average.
0.05North 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.
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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