Weather in Lake Bluff, IL
Lake Bluff, Friday, 30 October, 08:16
Clear. Feels like 45°. High 57°, low 44°.
Monthly outlook for Lake Bluff, IL: average high 60.8°, average low 51.5°. That is 6.1° above the climate normal for October. Precipitation is expected on 9 days (about 3.5 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 3 November (69°), the coolest 6 November (43.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 60.4° | 51.6° | +4.9° |
| 9 November – 18 November | 61.5° | 46.3° | +8.4° |
| 19 November – 28 November | at normal | 42.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Park City (5 mi).
0.61
Lake Bluff, Saturday, 31 October
Rain. High 61°, low 52°.
0
Lake Bluff, Sunday, 1 November
Overcast. High 68°, low 50°.
0.03Lake Bluff, Monday, 2 November
Light rain. High 62°, low 54°.
0.28Lake Bluff, Tuesday, 3 November
Light rain. High 69°, low 60°.
0.7Lake Bluff, Wednesday, 4 November
Rain. High 65°, low 58°.
0.23Lake Bluff, Thursday, 5 November
Light rain. High 56°, low 51°.
0
Lake Bluff, Friday, 6 November
Mostly clear. High 52°, low 44°.
0Lake Bluff, Saturday, 7 November
Overcast. High 55°, low 46°.
0.43Lake Bluff, Sunday, 8 November
Rain. High 59°, low 51°.
0Lake Bluff, Monday, 9 November
Clear. High 62°, low 48°.
0
Lake Bluff, Tuesday, 10 November
Partly cloudy. High 61°, low 48°.
0.11Lake Bluff, Wednesday, 11 November
Light rain. High 61°, low 56°.
0.04Lake Bluff, Thursday, 12 November
Light rain. High 64°, low 56°.
0.75Lake Bluff, Friday, 13 November
Rain. High 57°, low 50°.
0.28Lake Bluff, Saturday, 14 November
Light rain. High 66°, low 54°.
0.09Lake Bluff, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Lake Bluff, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Lake Bluff, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.11Lake Bluff, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Lake Bluff, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Lake Bluff, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Lake Bluff, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Lake Bluff, Sunday, 22 November
Climate normal for this date — 60-year average.
0.08Lake Bluff, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Lake Bluff, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09
Lake Bluff, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.12Lake Bluff, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21Lake Bluff, Friday, 27 November
Climate normal for this date — 60-year average.
0.12Lake Bluff, Saturday, 28 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 Lake Bluff, 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 Lake Bluff, 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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