Weather in Mount Vernon, NJ
Mount Vernon, Thursday, 15 October, 11:33
Overcast. Feels like 57°. High 62°, low 51°.
Monthly outlook for Mount Vernon, NJ: average high 58.6°, average low 39.4°. That is 0.2° above the climate normal for October. Precipitation is expected on 2 days (about 0.9 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 16 October (76.1°), the coolest 25 October (29.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 61.3° | 59.6° | +0.9° |
| 25 October – 3 November | 54.1° | 56.1° | -1.1° |
| 4 November – 13 November | at normal | 51.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Stillwater (10 mi).
0.52
Mount Vernon, Friday, 16 October
Heavy rain. High 76°, low 55°.
0Mount Vernon, Saturday, 17 October
Overcast. High 59°, low 37°.
0
Mount Vernon, Sunday, 18 October
Clear. High 56°, low 34°.
0Mount Vernon, Monday, 19 October
Clear. High 62°, low 38°.
0Mount Vernon, Tuesday, 20 October
Clear. High 68°, low 35°.
0Mount Vernon, Wednesday, 21 October
Clear. High 63°, low 43°.
0Mount Vernon, Thursday, 22 October
Clear. High 60°, low 39°.
0
Mount Vernon, Friday, 23 October
Partly cloudy. High 57°, low 38°.
0Mount Vernon, Saturday, 24 October
Clear. High 49°, low 33°.
0Mount Vernon, Sunday, 25 October
Overcast. High 52°, low 30°.
0Mount Vernon, Monday, 26 October
Clear. High 60°, low 34°.
0Mount Vernon, Tuesday, 27 October
Overcast. High 56°, low 36°.
0Mount Vernon, Wednesday, 28 October
Overcast. High 58°, low 43°.
0.03Mount Vernon, Thursday, 29 October
Light rain. High 44°, low 40°.
0.4Mount Vernon, Friday, 30 October
Rain. High 55°, low 44°.
0.05
Mount Vernon, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Mount Vernon, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Mount Vernon, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Mount Vernon, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.06Mount Vernon, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Mount Vernon, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Mount Vernon, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Mount Vernon, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13Mount Vernon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09
Mount Vernon, Monday, 9 November
Climate normal for this date — 60-year average.
0.16Mount Vernon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Mount Vernon, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.16Mount Vernon, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13Mount Vernon, Friday, 13 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, NJ 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, NJ 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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