Weather in Lake Bluff, IL
Lake Bluff, Wednesday, 4 November, 01:45
Light rain. Feels like 67°. High 67°, low 55°.
Monthly outlook for Lake Bluff, IL: average high 52.7°, average low 42.1°. That is 2.9° above the climate normal for November. Precipitation is expected on 1 day (about 0.5 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 4 November (66.8°), the coolest 7 November (33.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 4 November – 13 November | 54.4° | 48.6° | +3.2° |
| 14 November – 23 November | 50° | 44.8° | +2.9° |
| 24 November – 3 December | at normal | 40.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Park City (5 mi).
0
Lake Bluff, Thursday, 5 November
Overcast. High 54°, low 46°.
0Lake Bluff, Friday, 6 November
Overcast. High 48°, low 38°.
0
Lake Bluff, Saturday, 7 November
Mostly clear. High 47°, low 33°.
0
Lake Bluff, Sunday, 8 November
Clear. High 56°, low 37°.
0Lake Bluff, Monday, 9 November
Overcast. High 57°, low 39°.
0Lake Bluff, Tuesday, 10 November
Overcast. High 58°, low 46°.
0Lake Bluff, Wednesday, 11 November
Overcast. High 50°, low 44°.
0Lake Bluff, Thursday, 12 November
Clear. High 51°, low 43°.
0.02Lake Bluff, Friday, 13 November
Light rain. High 56°, low 45°.
0
Lake Bluff, Saturday, 14 November
Partly cloudy. High 48°, low 43°.
0Lake Bluff, Sunday, 15 November
Partly cloudy. High 45°, low 39°.
0Lake Bluff, Monday, 16 November
Clear. High 50°, low 38°.
0Lake Bluff, Tuesday, 17 November
Overcast. High 53°, low 39°.
0Lake Bluff, Wednesday, 18 November
Overcast. High 53°, low 42°.
0Lake Bluff, Thursday, 19 November
Overcast. High 51°, low 48°.
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.
0.07Lake 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.
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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