Weather in Saint Charles, PA
Saint Charles, Tuesday, 20 October, 08:04
Clear. Feels like 40°. High 69°, low 38°.
Monthly outlook for Saint Charles, PA: average high 55.6°, average low 34.8°. That is 0.2° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 6 days and 1.9 inches. The warmest day looks like 20 October (68.7°), the coolest 29 October (25.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 59.5° | 55.9° | +2° |
| 30 October – 8 November | 49.1° | 52.9° | -2.1° |
| 9 November – 18 November | at normal | 47.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Madison (7 mi).
0Saint Charles, Wednesday, 21 October
Clear. High 66°, low 33°.
0
Saint Charles, Thursday, 22 October
Overcast. High 64°, low 40°.
0Saint Charles, Friday, 23 October
Clear. High 56°, low 37°.
0Saint Charles, Saturday, 24 October
Clear. High 60°, low 35°.
0Saint Charles, Sunday, 25 October
Clear. High 65°, low 36°.
0Saint Charles, Monday, 26 October
Overcast. High 65°, low 46°.
0.05
Saint Charles, Tuesday, 27 October
Light rain. High 59°, low 41°.
0.01Saint Charles, Wednesday, 28 October
Light rain. High 45°, low 30°.
0Saint Charles, Thursday, 29 October
Clear. High 45°, low 25°.
0Saint Charles, Friday, 30 October
Overcast. High 46°, low 30°.
0Saint Charles, Saturday, 31 October
Overcast. High 43°, low 39°.
0Saint Charles, Sunday, 1 November
Clear. High 51°, low 33°.
0Saint Charles, Monday, 2 November
Overcast. High 49°, low 29°.
0Saint Charles, Tuesday, 3 November
Clear. High 53°, low 31°.
0Saint Charles, Wednesday, 4 November
Overcast. High 53°, low 34°.
0.11
Saint Charles, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Saint Charles, Friday, 6 November
Climate normal for this date — 60-year average.
0.13Saint Charles, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Saint Charles, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Saint Charles, Monday, 9 November
Climate normal for this date — 60-year average.
0.16Saint Charles, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.17Saint Charles, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.13Saint Charles, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Saint Charles, Friday, 13 November
Climate normal for this date — 60-year average.
0.11
Saint Charles, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15Saint Charles, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Saint Charles, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Saint Charles, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Saint Charles, Wednesday, 18 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 Saint Charles, PA 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 Saint Charles, PA 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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