Weather in Mount Vernon, PA
Mount Vernon, Saturday, 31 October, 02:45
Partly cloudy. Feels like 38°. High 59°, low 40°.
Monthly outlook for Mount Vernon, PA: average high 60.3°, average low 45.2°. That is 2.6° above the climate normal for October. Precipitation is expected on 2 days (about 0.7 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 4 November (68.6°), the coolest 15 November (33.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 62.9° | 57.3° | +3.1° |
| 10 November – 19 November | 56.1° | 52.1° | +2.2° |
| 20 November – 29 November | at normal | 49.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lincoln University (5 mi).
0
Mount Vernon, Sunday, 1 November
Overcast. High 60°, low 40°.
0Mount Vernon, Monday, 2 November
Overcast. High 63°, low 44°.
0Mount Vernon, Tuesday, 3 November
Overcast. High 65°, low 46°.
0
Mount Vernon, Wednesday, 4 November
Partly cloudy. High 69°, low 49°.
0.3
Mount Vernon, Thursday, 5 November
Rain. High 67°, low 57°.
0.37Mount Vernon, Friday, 6 November
Rain. High 66°, low 61°.
0.02Mount Vernon, Saturday, 7 November
Light rain. High 62°, low 50°.
0
Mount Vernon, Sunday, 8 November
Clear. High 60°, low 45°.
0Mount Vernon, Monday, 9 November
Overcast. High 57°, low 42°.
0Mount Vernon, Tuesday, 10 November
Partly cloudy. High 60°, low 43°.
0Mount Vernon, Wednesday, 11 November
Clear. High 64°, low 44°.
0Mount Vernon, Thursday, 12 November
Clear. High 62°, low 46°.
0Mount Vernon, Friday, 13 November
Clear. High 62°, low 43°.
0Mount Vernon, Saturday, 14 November
Light rain. High 44°, low 39°.
0Mount Vernon, Sunday, 15 November
Clear. High 44°, low 33°.
0.14Mount Vernon, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Mount Vernon, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Mount Vernon, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Mount Vernon, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Mount Vernon, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Mount Vernon, Saturday, 21 November
Climate normal for this date — 60-year average.
0.13Mount Vernon, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Mount Vernon, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Mount Vernon, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.12
Mount Vernon, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.15Mount Vernon, Thursday, 26 November
Climate normal for this date — 60-year average.
0.1Mount Vernon, Friday, 27 November
Climate normal for this date — 60-year average.
0.17Mount Vernon, Saturday, 28 November
Climate normal for this date — 60-year average.
0.15Mount Vernon, Sunday, 29 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 Mount Vernon, 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 Mount Vernon, 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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