Weather in Lake Barrington, IL
Lake Barrington, Thursday, 5 November, 00:22
Overcast. Feels like 50°. High 54°, low 49°.
Monthly outlook for Lake Barrington, IL: average high 54°, average low 41.2°. That is 3.7° above the climate normal for November. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 15 November (63.7°), the coolest 12 November (30.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 5 November – 14 November | 52.9° | 48.2° | +2.6° |
| 15 November – 24 November | 55.6° | 44.4° | +6.2° |
| 25 November – 4 December | at normal | 39.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (12 mi).
0Lake Barrington, Friday, 6 November
Overcast. High 49°, low 38°.
0
Lake Barrington, Saturday, 7 November
Partly cloudy. High 49°, low 33°.
0
Lake Barrington, Sunday, 8 November
Clear. High 58°, low 39°.
0
Lake Barrington, Monday, 9 November
Mostly clear. High 58°, low 36°.
0Lake Barrington, Tuesday, 10 November
Clear. High 59°, low 44°.
0Lake Barrington, Wednesday, 11 November
Partly cloudy. High 48°, low 36°.
0Lake Barrington, Thursday, 12 November
Clear. High 45°, low 31°.
0Lake Barrington, Friday, 13 November
Overcast. High 52°, low 33°.
0Lake Barrington, Saturday, 14 November
Clear. High 59°, low 41°.
0Lake Barrington, Sunday, 15 November
Mostly clear. High 64°, low 48°.
0.02
Lake Barrington, Monday, 16 November
Light rain. High 61°, low 52°.
0.15Lake Barrington, Tuesday, 17 November
Light rain. High 54°, low 47°.
0Lake Barrington, Wednesday, 18 November
Overcast. High 54°, low 46°.
0.19Lake Barrington, Thursday, 19 November
Light rain. High 59°, low 49°.
0Lake Barrington, Friday, 20 November
Overcast. High 42°, low 38°.
0.1Lake Barrington, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Lake Barrington, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Lake Barrington, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Lake Barrington, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09
Lake Barrington, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.12Lake Barrington, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21Lake Barrington, Friday, 27 November
Climate normal for this date — 60-year average.
0.12Lake 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.
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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