Mount Vernon, New York 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

703
FXUS61 KOKX 191656
AFDOKX

Area Forecast Discussion
National Weather Service New York NY
Issued by National Weather Service Boston/Norton MA
1256 PM EDT Thu Mar 19 2026

.WHAT HAS CHANGED...
Updated Aviation and Marine discussions. Issued Small Craft
Advisories for all waters Friday afternoon into Friday night,
except through early afternoon Saturday on the ocean waters.

&&

.KEY MESSAGES...
1) Below average temperatures today warm into the weekend.

2) No major storm systems expected in the long term, with just a
couple of minor disturbance Friday night into Saturday morning, and
from Sunday afternoon into Monday.

&&

.DISCUSSION...
.KEY MESSAGE 1...

High pressure shifting northeast today will continue to allow
for temperatures remaining below average with highs in the low
to middle 40s.

Temperatures will trend warmer beginning Friday with highs
closer to average. By Saturday and Sunday, highs will be above
average with highs in the middle 50s to middle 60s for western
areas. Temperatures drop once again toward the beginning of next
week.

.KEY MESSAGE 2...
A couple of weak disturbances embedded in the overall WNW flow
regime aloft will progress through Friday night/Sat morning, and
Sunday afternoon/night. A cold front passing through Sunday night
will return the above normal temperatures of Friday through Sunday
to more seasonal levels. No hazardous weather is expected with these
disturbances, though the GFS does show a later timing of Sunday
night/Monday for the second system.

Another more robust system may impact the area late next week.

&&

.AVIATION /18Z THURSDAY THROUGH TUESDAY/...
High pressure will remain over the region through the TAF
period. A cold front will approach from the northwest late
Friday afternoon and will cross the region Saturday morning.

VFR.

S winds 5-10kt become light SW this evening then W/NW
overnight at 5 kt or less. S winds Fri increase to around 10kt
around midday, then to 10-15kt with gusts to 25kt in the
afternoon, before diminishing to around 10kt and becoming SW Fri
night.

     NY Metro (KEWR/KLGA/KJFK/KTEB) TAF Uncertainty...

No unscheduled amendments expected.


.OUTLOOK FOR 12Z SATURDAY THROUGH TUESDAY...

Saturday: Becoming VFR in the morning. NW winds 10 kt or less.

Sunday: Chance of MVFR or lower with rain in the late
afternoon/evening, possibly mixing with snow at night for the Lower
Hudson Valley and CT. SW winds 10 kt or less.

Monday: VFR. N winds G20 kt.

Tuesday: VFR. N winds 10 kt or less.

Detailed information, including hourly TAF wind component forecasts,
can be found at: https:/www.weather.gov/zny/n90

&&

.MARINE...
High pressure will maintain light S/SW winds through Friday
morning.

Issued Small Craft Advisories for all waters Friday afternoon
and evening as S winds increase ahead of an approaching cold
front with gusts 25-30kt, before winds become SW and diminish
Friday night. Seas on ocean will take longer to subside,
probably not falling below 5 ft until early Saturday afternoon.

Another round of Small Craft Advisory winds and seas appears
likely later Sunday into Monday morning.

&&

.OKX WATCHES/WARNINGS/ADVISORIES...
CT...None.
NY...None.
NJ...None.
MARINE...Small Craft Advisory from 5 PM Friday to midnight EDT Friday
     night for ANZ331-332-335.
     Small Craft Advisory from 4 PM to 11 PM EDT Friday for ANZ338.
     Small Craft Advisory from 3 PM Friday to midnight EDT Friday
     night for ANZ340-345.
     Small Craft Advisory from 2 PM Friday to 2 PM EDT Saturday for
     ANZ350-353-355-370-373-375.

&&

$$