Weather in Pontoon Beach, IL
Pontoon Beach, Saturday, 14 November, 11:49
Clear. Feels like 44°. High 46°, low 27°.
Monthly outlook for Pontoon Beach, IL: average high 56.5°, average low 40°. That is 3° above the climate normal for November. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 20 November (70°), the coolest 15 November (26.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 56.6° | 52.7° | +2.2° |
| 24 November – 3 December | 56.3° | 47.8° | +4.7° |
| 4 December – 13 December | at normal | 43.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Edwardsville (6 mi).
0Pontoon Beach, Sunday, 15 November
Clear. High 53°, low 27°.
0Pontoon Beach, Monday, 16 November
Clear. High 52°, low 34°.
0Pontoon Beach, Tuesday, 17 November
Clear. High 54°, low 35°.
0
Pontoon Beach, Wednesday, 18 November
Overcast. High 59°, low 39°.
0
Pontoon Beach, Thursday, 19 November
Partly cloudy. High 63°, low 46°.
0Pontoon Beach, Friday, 20 November
Partly cloudy. High 70°, low 52°.
0.06
Pontoon Beach, Saturday, 21 November
Light rain. High 69°, low 54°.
0
Pontoon Beach, Sunday, 22 November
Mostly clear. High 52°, low 41°.
0Pontoon Beach, Monday, 23 November
Clear. High 48°, low 33°.
0Pontoon Beach, Tuesday, 24 November
Overcast. High 49°, low 30°.
0.24Pontoon Beach, Wednesday, 25 November
Rain. High 50°, low 41°.
0Pontoon Beach, Thursday, 26 November
Overcast. High 60°, low 46°.
0Pontoon Beach, Friday, 27 November
Overcast. High 69°, low 58°.
0.73Pontoon Beach, Saturday, 28 November
Rain. High 64°, low 41°.
0Pontoon Beach, Sunday, 29 November
Clear. High 46°, low 34°.
0.18
Pontoon Beach, Monday, 30 November
Climate normal for this date — 60-year average.
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.
0.06Pontoon 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.
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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