Weather in Lake Barrington, IL
Lake Barrington, Thursday, 12 November, 03:25
Partly cloudy. Feels like 39°. High 44°, low 37°.
Monthly outlook for Lake Barrington, IL: average high 46.3°, average low 34.5°. That is 1.3° above the climate normal for November. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 20 November (61.4°), the coolest 26 November (18.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 50.4° | 45.2° | +2.9° |
| 22 November – 1 December | 39.4° | 40.9° | -0.8° |
| 2 December – 11 December | at normal | 35.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (12 mi).
0
Lake Barrington, Friday, 13 November
Partly cloudy. High 41°, low 33°.
0
Lake Barrington, Saturday, 14 November
Clear. High 43°, low 30°.
0Lake Barrington, Sunday, 15 November
Partly cloudy. High 45°, low 29°.
0Lake Barrington, Monday, 16 November
Clear. High 48°, low 30°.
0Lake Barrington, Tuesday, 17 November
Clear. High 51°, low 32°.
0
Lake Barrington, Wednesday, 18 November
Mostly clear. High 54°, low 39°.
0
Lake Barrington, Thursday, 19 November
Overcast. High 58°, low 46°.
0Lake Barrington, Friday, 20 November
Partly cloudy. High 61°, low 47°.
0Lake Barrington, Saturday, 21 November
Overcast. High 57°, low 45°.
0.17
Lake Barrington, Sunday, 22 November
Rain. High 57°, low 47°.
0Lake Barrington, Monday, 23 November
Overcast. High 44°, low 37°.
0Lake Barrington, Tuesday, 24 November
Overcast. High 43°, low 34°.
0Lake Barrington, Wednesday, 25 November
Partly cloudy. High 30°, low 23°.
0Lake Barrington, Thursday, 26 November
Clear. High 29°, low 19°.
0.08
Lake Barrington, Friday, 27 November
Light snow. High 33°, low 25°.
0.12
Lake Barrington, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Lake Barrington, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Lake Barrington, Monday, 30 November
Climate normal for this date — 60-year average.
0.14Lake Barrington, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Lake Barrington, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Lake Barrington, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Lake Barrington, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Lake Barrington, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Lake Barrington, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Lake Barrington, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Lake Barrington, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09Lake Barrington, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Lake Barrington, Thursday, 10 December
Climate normal for this date — 60-year average.
0.11Lake Barrington, Friday, 11 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 Barrington, 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 Barrington, 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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