Weather in Northlake, IL
Northlake, Monday, 19 October, 10:45
Clear. Feels like 57°. High 65°, low 40°.
Monthly outlook for Northlake, IL: average high 58°, average low 43.9°. That is 0.6° above the climate normal for October. Precipitation is expected on 4 days (about 0.8 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 25 October (69.8°), the coolest 28 October (33.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 62.3° | 57.9° | +2.4° |
| 29 October – 7 November | 50.8° | 54° | -1.8° |
| 8 November – 17 November | at normal | 48.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Stone Park (1 mi).
0Northlake, Tuesday, 20 October
Clear. High 66°, low 45°.
0Northlake, Wednesday, 21 October
Clear. High 66°, low 45°.
0.02
Northlake, Thursday, 22 October
Light rain. High 67°, low 49°.
0Northlake, Friday, 23 October
Clear. High 61°, low 46°.
0
Northlake, Saturday, 24 October
Overcast. High 62°, low 46°.
0.01Northlake, Sunday, 25 October
Light rain. High 70°, low 54°.
0.05Northlake, Monday, 26 October
Light rain. High 65°, low 55°.
0.28Northlake, Tuesday, 27 October
Light rain. High 60°, low 41°.
0.05
Northlake, Wednesday, 28 October
Light snow. High 42°, low 34°.
0Northlake, Thursday, 29 October
Clear. High 50°, low 34°.
0Northlake, Friday, 30 October
Overcast. High 53°, low 42°.
0Northlake, Saturday, 31 October
Overcast. High 53°, low 44°.
0.38Northlake, Sunday, 1 November
Rain. High 51°, low 45°.
0.03Northlake, Monday, 2 November
Light rain. High 46°, low 38°.
0Northlake, Tuesday, 3 November
Overcast. High 52°, low 43°.
0.09
Northlake, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Northlake, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Northlake, Friday, 6 November
Climate normal for this date — 60-year average.
0.05
Northlake, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Northlake, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Northlake, Monday, 9 November
Climate normal for this date — 60-year average.
0.1Northlake, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Northlake, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Northlake, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Northlake, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Northlake, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Northlake, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Northlake, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Northlake, Tuesday, 17 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 Northlake, 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 Northlake, 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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