Weather in Lake Bluff, IL
Lake Bluff, Sunday, 1 November, 01:30
Overcast. Feels like 52°. High 68°, low 53°.
Monthly outlook for Lake Bluff, IL: average high 54.8°, average low 46.4°. That is 3.4° above the climate normal for November. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 3 November (71.9°), the coolest 11 November (37.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 57.2° | 50.6° | +3.7° |
| 11 November – 20 November | 50.9° | 45.5° | +3° |
| 21 November – 30 November | at normal | 41.7° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Park City (5 mi).
0.15
Lake Bluff, Monday, 2 November
Rain. High 62°, low 56°.
0.14Lake Bluff, Tuesday, 3 November
Light rain. High 72°, low 61°.
0.33Lake Bluff, Wednesday, 4 November
Rain. High 63°, low 56°.
0.04Lake Bluff, Thursday, 5 November
Light rain. High 56°, low 51°.
0.11Lake Bluff, Friday, 6 November
Light rain. High 50°, low 46°.
0Lake Bluff, Saturday, 7 November
Light rain. High 55°, low 45°.
0
Lake Bluff, Sunday, 8 November
Partly cloudy. High 49°, low 42°.
0
Lake Bluff, Monday, 9 November
Mostly clear. High 49°, low 40°.
0
Lake Bluff, Tuesday, 10 November
Clear. High 48°, low 39°.
0Lake Bluff, Wednesday, 11 November
Clear. High 48°, low 37°.
0Lake Bluff, Thursday, 12 November
Mostly clear. High 51°, low 42°.
0.04Lake Bluff, Friday, 13 November
Light rain. High 57°, low 47°.
0Lake Bluff, Saturday, 14 November
Overcast. High 49°, low 43°.
0Lake Bluff, Sunday, 15 November
Overcast. High 48°, low 40°.
0Lake Bluff, Monday, 16 November
Overcast. High 53°, low 43°.
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.
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.
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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