Weather in Pontoon Beach, IL
Pontoon Beach, Monday, 9 November, 03:28
Fog. Feels like 48°. High 71°, low 42°.
Monthly outlook for Pontoon Beach, IL: average high 59.5°, average low 45.7°. That is 3.5° above the climate normal for November. Precipitation is expected on 3 days (about 1.5 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 17 November (71.4°), the coolest 13 November (36.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 61.4° | 54.2° | +4° |
| 19 November – 28 November | 56.2° | 50.3° | +3.3° |
| 29 November – 8 December | at normal | 45.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Edwardsville (6 mi).
0
Pontoon Beach, Tuesday, 10 November
Clear. High 69°, low 45°.
0.02
Pontoon Beach, Wednesday, 11 November
Light rain. High 66°, low 49°.
0.01Pontoon Beach, Thursday, 12 November
Light rain. High 50°, low 45°.
0
Pontoon Beach, Friday, 13 November
Overcast. High 44°, low 36°.
0Pontoon Beach, Saturday, 14 November
Overcast. High 47°, low 38°.
0
Pontoon Beach, Sunday, 15 November
Partly cloudy. High 61°, low 37°.
0Pontoon Beach, Monday, 16 November
Overcast. High 64°, low 53°.
0Pontoon Beach, Tuesday, 17 November
Clear. High 71°, low 58°.
0Pontoon Beach, Wednesday, 18 November
Clear. High 71°, low 53°.
0Pontoon Beach, Thursday, 19 November
Overcast. High 71°, low 51°.
0.25Pontoon Beach, Friday, 20 November
Rain. High 65°, low 55°.
0.48Pontoon Beach, Saturday, 21 November
Rain. High 53°, low 46°.
0.69Pontoon Beach, Sunday, 22 November
Heavy rain. High 54°, low 46°.
0.02Pontoon Beach, Monday, 23 November
Light rain. High 46°, low 38°.
0Pontoon Beach, Tuesday, 24 November
Partly cloudy. High 49°, low 38°.
0.17
Pontoon Beach, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.17Pontoon Beach, Thursday, 26 November
Climate normal for this date — 60-year average.
0.21Pontoon Beach, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Pontoon Beach, Saturday, 28 November
Climate normal for this date — 60-year average.
0.08Pontoon Beach, Sunday, 29 November
Climate normal for this date — 60-year average.
0.18Pontoon 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.
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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