Weather in Long Lake, IL
Long Lake, Sunday, 18 October, 01:37
Clear. Feels like 41°. High 61°, low 44°.
Monthly outlook for Long Lake, IL: average high 62.7°, average low 46.7°. That is 3.9° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 24 October (67.7°), the coolest 26 October (34.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 62.4° | 56.7° | +3.1° |
| 28 October – 6 November | 63.3° | 52.7° | +5.9° |
| 7 November – 16 November | at normal | 47.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (2 mi).
0
Long Lake, Monday, 19 October
Mostly clear. High 63°, low 43°.
0Long Lake, Tuesday, 20 October
Mostly clear. High 64°, low 45°.
0
Long Lake, Wednesday, 21 October
Clear. High 65°, low 46°.
0Long Lake, Thursday, 22 October
Clear. High 66°, low 50°.
0
Long Lake, Friday, 23 October
Partly cloudy. High 66°, low 53°.
0
Long Lake, Saturday, 24 October
Overcast. High 68°, low 55°.
0Long Lake, Sunday, 25 October
Overcast. High 60°, low 41°.
0Long Lake, Monday, 26 October
Clear. High 55°, low 35°.
0Long Lake, Tuesday, 27 October
Overcast. High 56°, low 36°.
0Long Lake, Wednesday, 28 October
Overcast. High 60°, low 48°.
0.02
Long Lake, Thursday, 29 October
Light rain. High 64°, low 59°.
0Long Lake, Friday, 30 October
Clear. High 64°, low 51°.
0.04Long Lake, Saturday, 31 October
Light rain. High 64°, low 49°.
0Long Lake, Sunday, 1 November
Light rain. High 63°, low 49°.
0Long Lake, Monday, 2 November
Clear. High 65°, low 46°.
0.06Long Lake, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.1Long Lake, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Long Lake, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Long Lake, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Long Lake, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Long Lake, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11
Long Lake, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Long Lake, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Long Lake, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Long Lake, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Long Lake, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Long Lake, Saturday, 14 November
Climate normal for this date — 60-year average.
0.08Long Lake, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Long Lake, Monday, 16 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 Long 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 Long 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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