Weather in Lake Catherine, IL
Lake Catherine, Monday, 9 November, 07:10
Overcast. Feels like 36°. High 58°, low 36°.
Monthly outlook for Lake Catherine, IL: average high 51.4°, average low 39°. That is 3.4° above the climate normal for November. Precipitation is expected on 2 days (about 0.9 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 19 November (63°), the coolest 15 November (29.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 51.6° | 46.4° | +2.9° |
| 19 November – 28 November | 51.2° | 42.5° | +4.9° |
| 29 November – 8 December | at normal | 37.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (8 mi).
0
Lake Catherine, Tuesday, 10 November
Clear. High 60°, low 43°.
0.03
Lake Catherine, Wednesday, 11 November
Light rain. High 53°, low 42°.
0Lake Catherine, Thursday, 12 November
Overcast. High 41°, low 35°.
0.01Lake Catherine, Friday, 13 November
Light rain. High 42°, low 32°.
0Lake Catherine, Saturday, 14 November
Overcast. High 43°, low 29°.
0
Lake Catherine, Sunday, 15 November
Mostly clear. High 46°, low 29°.
0Lake Catherine, Monday, 16 November
Clear. High 52°, low 42°.
0
Lake Catherine, Tuesday, 17 November
Partly cloudy. High 60°, low 42°.
0Lake Catherine, Wednesday, 18 November
Light rain. High 59°, low 52°.
0Lake Catherine, Thursday, 19 November
Overcast. High 63°, low 49°.
0.06Lake Catherine, Friday, 20 November
Light rain. High 61°, low 46°.
0Lake Catherine, Saturday, 21 November
Overcast. High 47°, low 39°.
0Lake Catherine, Sunday, 22 November
Overcast. High 47°, low 36°.
0.84Lake Catherine, Monday, 23 November
Heavy rain. High 46°, low 37°.
0Lake Catherine, Tuesday, 24 November
Overcast. High 43°, low 35°.
0.09
Lake Catherine, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.12Lake Catherine, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21Lake Catherine, Friday, 27 November
Climate normal for this date — 60-year average.
0.12Lake Catherine, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Lake Catherine, Sunday, 29 November
Climate normal for this date — 60-year average.
0.07Lake Catherine, Monday, 30 November
Climate normal for this date — 60-year average.
0.14Lake Catherine, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07Lake Catherine, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Lake Catherine, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Lake Catherine, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Lake Catherine, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Lake Catherine, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11Lake Catherine, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Lake Catherine, Tuesday, 8 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 Catherine, 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 Catherine, 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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