Weather in Lake Bluff, IL
Lake Bluff, Friday, 13 November, 13:45
Overcast. Feels like 34°. High 43°, low 33°.
Monthly outlook for Lake Bluff, IL: average high 44°, average low 32.6°. That is 0.1° above the climate normal for November. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 21 November (63.5°), the coolest 28 November (21.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 51.6° | 45° | +3.7° |
| 23 November – 2 December | 31.3° | 40.8° | -5.3° |
| 3 December – 12 December | at normal | 36.2° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Park City (5 mi).
0
Lake Bluff, Saturday, 14 November
Clear. High 47°, low 33°.
0Lake Bluff, Sunday, 15 November
Clear. High 47°, low 31°.
0Lake Bluff, Monday, 16 November
Clear. High 50°, low 32°.
0
Lake Bluff, Tuesday, 17 November
Partly cloudy. High 52°, low 36°.
0Lake Bluff, Wednesday, 18 November
Clear. High 54°, low 37°.
0.01
Lake Bluff, Thursday, 19 November
Light rain. High 55°, low 48°.
0
Lake Bluff, Friday, 20 November
Mostly clear. High 51°, low 43°.
0.05Lake Bluff, Saturday, 21 November
Light rain. High 63°, low 48°.
0.01Lake Bluff, Sunday, 22 November
Light rain. High 56°, low 35°.
0Lake Bluff, Monday, 23 November
Overcast. High 34°, low 29°.
0Lake Bluff, Tuesday, 24 November
Overcast. High 30°, low 24°.
0Lake Bluff, Wednesday, 25 November
Partly cloudy. High 28°, low 23°.
0Lake Bluff, Thursday, 26 November
Partly cloudy. High 32°, low 22°.
0Lake Bluff, Friday, 27 November
Overcast. High 32°, low 24°.
0Lake Bluff, Saturday, 28 November
Partly cloudy. High 31°, low 22°.
0.07
Lake Bluff, Sunday, 29 November
Climate normal for this date — 60-year average.
0.08Lake Bluff, Monday, 30 November
Climate normal for this date — 60-year average.
0.15Lake Bluff, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Lake Bluff, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Lake Bluff, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Lake Bluff, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Lake Bluff, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Lake Bluff, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Lake Bluff, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Lake Bluff, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Lake Bluff, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Lake Bluff, Thursday, 10 December
Climate normal for this date — 60-year average.
0.11Lake Bluff, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Lake Bluff, Saturday, 12 December
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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