Weather in Lake Catherine, IL
Lake Catherine, Saturday, 14 November, 08:51
Clear. Feels like 32°. High 46°, low 30°.
Monthly outlook for Lake Catherine, IL: average high 49.5°, average low 35.8°. That is 3.4° above the climate normal for November. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 21 November (63.6°), the coolest 23 November (22.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 50.7° | 44.8° | +3.3° |
| 24 November – 3 December | 47.5° | 39.9° | +4.2° |
| 4 December – 13 December | at normal | 35.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (8 mi).
0Lake Catherine, Sunday, 15 November
Clear. High 48°, low 32°.
0Lake Catherine, Monday, 16 November
Clear. High 49°, low 31°.
0
Lake Catherine, Tuesday, 17 November
Partly cloudy. High 52°, low 34°.
0
Lake Catherine, Wednesday, 18 November
Overcast. High 54°, low 38°.
0.04
Lake Catherine, Thursday, 19 November
Light rain. High 56°, low 47°.
0.07Lake Catherine, Friday, 20 November
Light rain. High 54°, low 40°.
0.04Lake Catherine, Saturday, 21 November
Light rain. High 64°, low 55°.
0.07Lake Catherine, Sunday, 22 November
Light rain. High 48°, low 31°.
0Lake Catherine, Monday, 23 November
Clear. High 38°, low 23°.
0Lake Catherine, Tuesday, 24 November
Overcast. High 40°, low 23°.
0.02Lake Catherine, Wednesday, 25 November
Light rain. High 41°, low 38°.
0.01Lake Catherine, Thursday, 26 November
Light rain. High 49°, low 40°.
0.01Lake Catherine, Friday, 27 November
Light rain. High 64°, low 52°.
0.36Lake Catherine, Saturday, 28 November
Rain. High 59°, low 36°.
0Lake Catherine, Sunday, 29 November
Overcast. High 32°, low 25°.
0.07Lake Catherine, Monday, 30 November
Climate normal for this date — 60-year average.
0.14
Lake 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.
0.09Lake Catherine, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.09Lake Catherine, Thursday, 10 December
Climate normal for this date — 60-year average.
0.11Lake Catherine, Friday, 11 December
Climate normal for this date — 60-year average.
0.09Lake Catherine, Saturday, 12 December
Climate normal for this date — 60-year average.
0.06Lake Catherine, Sunday, 13 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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