Weather in Long Lake, IL
Long Lake, Saturday, 31 October, 07:46
Overcast. Feels like 53°. High 59°, low 51°.
Monthly outlook for Long Lake, IL: average high 59.3°, average low 48.2°. That is 5.5° above the climate normal for October. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 3 November (69°), the coolest 12 November (36.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 61.8° | 51.4° | +5.8° |
| 10 November – 19 November | 55.1° | 46° | +5.1° |
| 20 November – 29 November | at normal | 41.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Round Lake Beach (2 mi).
0Long Lake, Sunday, 1 November
Overcast. High 64°, low 50°.
0.06
Long Lake, Monday, 2 November
Light rain. High 60°, low 53°.
0.02Long Lake, Tuesday, 3 November
Light rain. High 69°, low 59°.
0.43Long Lake, Wednesday, 4 November
Rain. High 65°, low 57°.
0.65Long Lake, Thursday, 5 November
Rain. High 57°, low 50°.
0
Long Lake, Friday, 6 November
Partly cloudy. High 62°, low 46°.
0Long Lake, Saturday, 7 November
Overcast. High 61°, low 49°.
0.01Long Lake, Sunday, 8 November
Light rain. High 58°, low 51°.
0Long Lake, Monday, 9 November
Overcast. High 62°, low 51°.
0Long Lake, Tuesday, 10 November
Overcast. High 63°, low 48°.
0
Long Lake, Wednesday, 11 November
Clear. High 53°, low 41°.
0Long Lake, Thursday, 12 November
Partly cloudy. High 51°, low 37°.
0.09Long Lake, Friday, 13 November
Light rain. High 51°, low 41°.
0.04Long Lake, Saturday, 14 November
Light rain. High 53°, low 40°.
0Long Lake, Sunday, 15 November
Overcast. High 60°, low 46°.
0.05
Long Lake, Monday, 16 November
Climate normal for this date — 60-year average.
0.1Long Lake, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Long Lake, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Long Lake, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07
Long Lake, Friday, 20 November
Climate normal for this date — 60-year average.
0.1Long Lake, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Long Lake, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Long Lake, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Long Lake, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Long Lake, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.12Long Lake, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21Long Lake, Friday, 27 November
Climate normal for this date — 60-year average.
0.12Long Lake, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Long Lake, Sunday, 29 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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