Weather in Pontoon Beach, IL
Pontoon Beach, Sunday, 15 November, 04:43
Partly cloudy. Feels like 32°. High 53°, low 30°.
Monthly outlook for Pontoon Beach, IL: average high 59°, average low 41.9°. That is 4.6° above the climate normal for November. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 19 November (66.9°), the coolest 15 November (29.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 57.9° | 52.3° | +3.1° |
| 25 November – 4 December | 60.8° | 47.3° | +7.5° |
| 5 December – 14 December | at normal | 43.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Edwardsville (6 mi).
0
Pontoon Beach, Monday, 16 November
Clear. High 56°, low 30°.
0Pontoon Beach, Tuesday, 17 November
Clear. High 56°, low 36°.
0
Pontoon Beach, Wednesday, 18 November
Overcast. High 60°, low 41°.
0Pontoon Beach, Thursday, 19 November
Clear. High 67°, low 45°.
0Pontoon Beach, Friday, 20 November
Overcast. High 65°, low 51°.
0.13
Pontoon Beach, Saturday, 21 November
Rain. High 66°, low 49°.
0Pontoon Beach, Sunday, 22 November
Clear. High 55°, low 43°.
0
Pontoon Beach, Monday, 23 November
Partly cloudy. High 49°, low 34°.
0Pontoon Beach, Tuesday, 24 November
Overcast. High 51°, low 33°.
0
Pontoon Beach, Wednesday, 25 November
Mostly clear. High 59°, low 35°.
0Pontoon Beach, Thursday, 26 November
Clear. High 63°, low 43°.
0Pontoon Beach, Friday, 27 November
Overcast. High 62°, low 46°.
0Pontoon Beach, Saturday, 28 November
Overcast. High 62°, low 48°.
0Pontoon Beach, Sunday, 29 November
Overcast. High 64°, low 54°.
0.44Pontoon Beach, Monday, 30 November
Rain. High 56°, low 54°.
0.12Pontoon Beach, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.09Pontoon Beach, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13Pontoon Beach, Thursday, 3 December
Climate normal for this date — 60-year average.
0.08Pontoon Beach, Friday, 4 December
Climate normal for this date — 60-year average.
0.09Pontoon Beach, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06
Pontoon Beach, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09Pontoon Beach, Monday, 7 December
Climate normal for this date — 60-year average.
0.08Pontoon Beach, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.07Pontoon Beach, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.11Pontoon Beach, Thursday, 10 December
Climate normal for this date — 60-year average.
0.1Pontoon Beach, Friday, 11 December
Climate normal for this date — 60-year average.
0.07Pontoon Beach, Saturday, 12 December
Climate normal for this date — 60-year average.
0.09Pontoon Beach, Sunday, 13 December
Climate normal for this date — 60-year average.
0.13Pontoon Beach, Monday, 14 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 Pontoon Beach, 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 Pontoon Beach, 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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