Weather in Third Lake, IL
Third Lake, Friday, 16 October, 05:34
Overcast. Feels like 50°. High 56°, low 45°.
Monthly outlook for Third Lake, IL: average high 61.8°, average low 47.3°. That is 3.1° above the climate normal for October. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 25 October (71.3°), the coolest 31 October (39.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 63.4° | 57.4° | +3.3° |
| 26 October – 4 November | 59.2° | 53.5° | +3.2° |
| 5 November – 14 November | at normal | 48.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (4 mi).
0
Third Lake, Saturday, 17 October
Clear. High 56°, low 40°.
0Third Lake, Sunday, 18 October
Clear. High 61°, low 44°.
0
Third Lake, Monday, 19 October
Mostly clear. High 62°, low 44°.
0Third Lake, Tuesday, 20 October
Overcast. High 64°, low 46°.
0Third Lake, Wednesday, 21 October
Clear. High 65°, low 47°.
0.01
Third Lake, Thursday, 22 October
Light rain. High 59°, low 53°.
0Third Lake, Friday, 23 October
Clear. High 70°, low 50°.
0Third Lake, Saturday, 24 October
Clear. High 71°, low 54°.
0Third Lake, Sunday, 25 October
Overcast. High 71°, low 54°.
0Third Lake, Monday, 26 October
Overcast. High 64°, low 52°.
0.03Third Lake, Tuesday, 27 October
Light rain. High 59°, low 47°.
0Third Lake, Wednesday, 28 October
Mostly clear. High 63°, low 45°.
0Third Lake, Thursday, 29 October
Overcast. High 62°, low 50°.
0.4Third Lake, Friday, 30 October
Rain. High 63°, low 47°.
0.02Third Lake, Saturday, 31 October
Light rain. High 44°, low 39°.
0.16
Third Lake, Sunday, 1 November
Climate normal for this date — 60-year average.
0.14Third Lake, Monday, 2 November
Climate normal for this date — 60-year average.
0.06
Third Lake, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.1Third Lake, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Third Lake, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Third Lake, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Third Lake, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Third Lake, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11Third Lake, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Third Lake, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Third Lake, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Third Lake, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Third Lake, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Third Lake, Saturday, 14 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 Third 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 Third 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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