Weather in McCullom Lake, IL
McCullom Lake, Sunday, 1 November, 23:48
Overcast. Feels like 56°. High 64°, low 51°.
Monthly outlook for McCullom Lake, IL: average high 58.5°, average low 46.6°. That is 5.3° above the climate normal for November. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 3 November (70.8°), the coolest 13 November (36.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 58.5° | 50.8° | +4.3° |
| 11 November – 20 November | 58.4° | 45.5° | +7.1° |
| 21 November – 30 November | at normal | 41.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (11 mi).
0.01
McCullom Lake, Monday, 2 November
Light rain. High 61°, low 56°.
0.23McCullom Lake, Tuesday, 3 November
Rain. High 71°, low 61°.
0.11McCullom Lake, Wednesday, 4 November
Rain. High 65°, low 56°.
0.02McCullom Lake, Thursday, 5 November
Light rain. High 56°, low 49°.
0.1McCullom Lake, Friday, 6 November
Light rain. High 52°, low 48°.
0McCullom Lake, Saturday, 7 November
Overcast. High 50°, low 41°.
0
McCullom Lake, Sunday, 8 November
Partly cloudy. High 53°, low 39°.
0
McCullom Lake, Monday, 9 November
Clear. High 56°, low 39°.
0McCullom Lake, Tuesday, 10 November
Clear. High 57°, low 42°.
0
McCullom Lake, Wednesday, 11 November
Mostly clear. High 51°, low 39°.
0McCullom Lake, Thursday, 12 November
Overcast. High 49°, low 36°.
0McCullom Lake, Friday, 13 November
Clear. High 54°, low 36°.
0McCullom Lake, Saturday, 14 November
Mostly clear. High 62°, low 46°.
0McCullom Lake, Sunday, 15 November
Partly cloudy. High 66°, low 53°.
0McCullom Lake, Monday, 16 November
Clear. High 68°, low 54°.
0.1McCullom Lake, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1McCullom Lake, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07McCullom Lake, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07
McCullom Lake, Friday, 20 November
Climate normal for this date — 60-year average.
0.1McCullom Lake, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04McCullom Lake, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07McCullom Lake, Monday, 23 November
Climate normal for this date — 60-year average.
0.08McCullom Lake, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09McCullom Lake, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.12McCullom Lake, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21McCullom Lake, Friday, 27 November
Climate normal for this date — 60-year average.
0.12McCullom Lake, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08McCullom Lake, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07McCullom Lake, 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 McCullom Lake, 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 McCullom Lake, 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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