Weather in St. Marys, PA
St. Marys, Friday, 13 November, 03:44
Overcast. Feels like 36°. High 38°, low 34°.
Monthly outlook for St. Marys, PA: average high 45.4°, average low 31.3°. That is 1.5° above the climate normal for November. Precipitation is expected on 2 days (about 2.7 inches), against a normal of 6 days and 2.0 inches. The warmest day looks like 24 November (59.7°), the coolest 27 November (9.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 47.3° | 43.2° | +2.3° |
| 23 November – 2 December | 42.2° | 40.4° | +1° |
| 3 December – 12 December | at normal | 36° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Fox (10 mi).
0.03
St. Marys, Saturday, 14 November
Snow. High 39°, low 32°.
0.01
St. Marys, Sunday, 15 November
Light rain. High 39°, low 34°.
0St. Marys, Monday, 16 November
Overcast. High 42°, low 32°.
0St. Marys, Tuesday, 17 November
Overcast. High 48°, low 29°.
0
St. Marys, Wednesday, 18 November
Clear. High 52°, low 30°.
0St. Marys, Thursday, 19 November
Overcast. High 52°, low 34°.
0St. Marys, Friday, 20 November
Overcast. High 54°, low 40°.
0
St. Marys, Saturday, 21 November
Mostly clear. High 52°, low 35°.
0St. Marys, Sunday, 22 November
Overcast. High 57°, low 45°.
0St. Marys, Monday, 23 November
Overcast. High 58°, low 42°.
0.8St. Marys, Tuesday, 24 November
Rain. High 60°, low 49°.
1.8St. Marys, Wednesday, 25 November
Snow. High 44°, low 23°.
0.01St. Marys, Thursday, 26 November
Light snow. High 25°, low 18°.
0St. Marys, Friday, 27 November
Mostly clear. High 31°, low 9°.
0St. Marys, Saturday, 28 November
Mostly clear. High 36°, low 15°.
0.1
St. Marys, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11St. Marys, Monday, 30 November
Climate normal for this date — 60-year average.
0.15St. Marys, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.12St. Marys, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.13St. Marys, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1St. Marys, Friday, 4 December
Climate normal for this date — 60-year average.
0.11St. Marys, Saturday, 5 December
Climate normal for this date — 60-year average.
0.15St. Marys, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1St. Marys, Monday, 7 December
Climate normal for this date — 60-year average.
0.08
St. Marys, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.16St. Marys, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.17St. Marys, Thursday, 10 December
Climate normal for this date — 60-year average.
0.15St. Marys, Friday, 11 December
Climate normal for this date — 60-year average.
0.1St. Marys, Saturday, 12 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 St. Marys, 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 St. Marys, 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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