Weather in Lake Bluff, IL
Lake Bluff, Tuesday, 10 November, 12:35
Clear. Feels like 63°. High 64°, low 42°.
Monthly outlook for Lake Bluff, IL: average high 48°, average low 38.7°. That is 1.8° above the climate normal for November. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 10 November (64.4°), the coolest 25 November (27.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 49.6° | 45.9° | +2° |
| 20 November – 29 November | 45.4° | 42.1° | +1.8° |
| 30 November – 9 December | at normal | 37.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Park City (5 mi).
0.01
Lake Bluff, Wednesday, 11 November
Light rain. High 59°, low 44°.
0.15Lake Bluff, Thursday, 12 November
Rain. High 44°, low 35°.
0Lake Bluff, Friday, 13 November
Clear. High 42°, low 33°.
0
Lake Bluff, Saturday, 14 November
Overcast. High 42°, low 29°.
0.01Lake Bluff, Sunday, 15 November
Light rain. High 46°, low 34°.
0Lake Bluff, Monday, 16 November
Overcast. High 46°, low 41°.
0Lake Bluff, Tuesday, 17 November
Clear. High 48°, low 39°.
0Lake Bluff, Wednesday, 18 November
Clear. High 50°, low 40°.
0Lake Bluff, Thursday, 19 November
Overcast. High 53°, low 42°.
0Lake Bluff, Friday, 20 November
Overcast. High 51°, low 47°.
0.08Lake Bluff, Saturday, 21 November
Light rain. High 52°, low 48°.
0.41Lake Bluff, Sunday, 22 November
Rain. High 51°, low 47°.
0.01Lake Bluff, Monday, 23 November
Light rain. High 45°, low 39°.
0.01Lake Bluff, Tuesday, 24 November
Light rain. High 40°, low 33°.
0Lake Bluff, Wednesday, 25 November
Clear. High 34°, low 27°.
0.12
Lake 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.
0.08
Lake 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.
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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