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Arlington, Virginia 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Fort Myer VA
National Weather Service Forecast for: Fort Myer VA
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 7:53 pm EDT Apr 30, 2026
 
Tonight

Tonight: Mostly clear, with a low around 44. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Mostly Clear

Friday

Friday: A slight chance of showers after 2pm.  Mostly sunny, with a high near 68. Northwest wind 5 to 8 mph becoming southwest in the afternoon.  Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
Showers
Friday
Night
Friday Night: A chance of showers, mainly between 8pm and 2am.  Mostly cloudy, with a low around 48. West wind 5 to 7 mph becoming northwest in the evening.  Chance of precipitation is 40%.
Chance
Showers

Saturday

Saturday: A chance of showers after 8am.  Mostly cloudy, with a high near 59. North wind around 8 mph.  Chance of precipitation is 40%.
Chance
Showers

Saturday
Night
Saturday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 44. Northwest wind 5 to 10 mph.  Chance of precipitation is 30%.
Chance
Showers

Sunday

Sunday: Sunny, with a high near 61.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 44.
Mostly Clear

Monday

Monday: Sunny, with a high near 72.
Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 57.
Partly Cloudy

Lo 44 °F Hi 68 °F Lo 48 °F Hi 59 °F Lo 44 °F Hi 61 °F Lo 44 °F Hi 72 °F Lo 57 °F

 

Tonight
 
Mostly clear, with a low around 44. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Friday
 
A slight chance of showers after 2pm. Mostly sunny, with a high near 68. Northwest wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Friday Night
 
A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. West wind 5 to 7 mph becoming northwest in the evening. Chance of precipitation is 40%.
Saturday
 
A chance of showers after 8am. Mostly cloudy, with a high near 59. North wind around 8 mph. Chance of precipitation is 40%.
Saturday Night
 
A chance of showers before 2am. Mostly cloudy, with a low around 44. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
 
Sunny, with a high near 61.
Sunday Night
 
Mostly clear, with a low around 44.
Monday
 
Sunny, with a high near 72.
Monday Night
 
Partly cloudy, with a low around 57.
Tuesday
 
Sunny, with a high near 80.
Tuesday Night
 
Mostly cloudy, with a low around 62.
Wednesday
 
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Wednesday Night
 
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Thursday
 
Showers and thunderstorms likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Fort Myer VA.

Weather Forecast Discussion
030
FXUS61 KLWX 301924
AFDLWX

Area Forecast Discussion
National Weather Service Baltimore MD/Washington DC
324 PM EDT Thu Apr 30 2026

.WHAT HAS CHANGED...
Small Craft Advisories have been extended through tonight for
the Chesapeake Bay and the lower tidal Potomac River.

&&

.KEY MESSAGES...
- Below normal temperatures are expected through Sunday night,
  with frost and/or freezing temperatures likely especially
  west of the Blue Ridge Mountains.

- Showers remain possible at times next week as temperatures
  rise to near or above normal.

&&

.DISCUSSION...

KEY MESSAGE 1...Below normal temperatures are expected through Sunday night,
with frost and/or freezing temperatures likely especially west
of the Blue Ridge Mountains.

KEY MESSAGE 1 DESCRIPTION...

Deep closed low north of the Great Lks will maintain a cooler
than normal and unsettled weather pattern through Sunday night.
Several upper air disturbances rotating around this low will
bring the risk of scattered mainly diurnal showers across the
northern half of the fcst area.

A stronger disturbance will approach the area Saturday leading
to a coastal low pressure development Saturday night and
Sunday. Recent model trends indicate this low pressure center
tracking further southeast with all of its associated rainfall
on the northwest side staying south of our area affecting the
Tidewater region and the southern DelMarVa peninsula.


KEY MESSAGE 2...Showers remain possible at times next week as
temperatures rise to near or above normal.

KEY MESSAGE 2 DESCRIPTION...

Closed low/longwave troughing will remain centered near/north of the
Great Lakes early next week. At the surface, a large area of high
pressure will become positioned in the western Atlantic. Southerly
winds will become a bit gusty during the daytime, and the ensuing
warm advection will bring temperatures back closer to or even above
normal. Some areas could reach 80 on Tuesday. There are some
uncertainties with how exactly the trough evolves, but a frontal
zone will be slowly approaching from the northwest Monday and
Tuesday. Some showers could reach the northwestern half of the
forecast area as embedded shortwaves pivot through, but overall
these days should be drier.

At some point during the middle of the week, a digging shortwave
trough will amplify the pattern and push the cold front across the
area. This front will bring higher rain chances, and depending on
timing, potentially thunderstorms. Temperatures will trend back down
the second half of the week in the wake of the front.

&&

.AVIATION /19Z THURSDAY THROUGH TUESDAY/...

NW wind gusts up to 25 kt through 01Z, then winds diminishing
below 10 kt tonight. Scattered showers are expected Fri
afternoon, mainly affecting IAD and MRB. Gusty winds up to 30 kt
are expected Sunday behind a coastal low.

Southerly winds will gust to 20 kt during the daytime Monday and
Tuesday. A shower or thunderstorm may reach MRB on Tuesday ahead of
an approaching frontal zone. Otherwise VFR conditions are
likely.

&&

.MARINE...

Small Craft Advisories have been extended through tonight for
the main Chesapeake Bay channel due to northerly channeling.
Additional SCAs will likely be needed Saturday night into Sunday
as coastal low passes to the southeast.

Small Craft Advisories will be likely Monday and Tuesday in
southerly flow.

&&

.LWX WATCHES/WARNINGS/ADVISORIES...
DC...None.
MD...Small Craft Advisory until 10 PM EDT this evening for MDZ008.
     Frost Advisory from midnight tonight to 8 AM EDT Friday for
     MDZ501-509-510.
VA...Frost Advisory from midnight tonight to 8 AM EDT Friday for
     VAZ504.
     Freeze Warning from midnight tonight to 8 AM EDT Friday for
     VAZ503.
WV...Frost Advisory from midnight tonight to 8 AM EDT Friday for
     WVZ502-503-506.
     Freeze Warning from midnight tonight to 8 AM EDT Friday for
     WVZ501-505.
MARINE...Small Craft Advisory until 10 PM EDT this evening for ANZ530-
     535-536-538-542.
     Small Craft Advisory until 6 AM EDT Friday for ANZ531>533-537-
     539>541.
     Small Craft Advisory until 8 AM EDT Friday for ANZ534-543.

&&

$$

DISCUSSION...ADS/BRO/LFR
AVIATION...ADS/LFR
MARINE...ADS/LFR
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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