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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: 4:53 am EDT Jun 19, 2026
 
Juneteenth

Juneteenth: Showers likely and possibly a thunderstorm before 8am, then isolated showers between 8am and 9am.  Cloudy, then gradually becoming mostly sunny, with a high near 84. Northwest wind 5 to 13 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Partly Sunny
Tonight

Tonight: Mostly clear, with a low around 64. Northwest wind 9 to 14 mph, with gusts as high as 20 mph.
Mostly Clear

Saturday

Saturday: Sunny, with a high near 85. West wind 10 to 14 mph, with gusts as high as 20 mph.
Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 65. West wind 6 to 9 mph.
Partly Cloudy

Sunday

Sunday: Sunny, with a high near 88. West wind 6 to 10 mph.
Sunny

Sunday
Night
Sunday Night: A chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Partly Cloudy
then Chance
Showers
Monday

Monday: A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 88. Chance of precipitation is 90%.
Showers
Likely then
Showers
Monday
Night
Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am.  Low around 67. Chance of precipitation is 80%.
Showers then
Chance
T-storms
Tuesday

Tuesday: Mostly sunny, with a high near 84.
Mostly Sunny

Hi 84 °F Lo 64 °F Hi 85 °F Lo 65 °F Hi 88 °F Lo 70 °F Hi 88 °F Lo 67 °F Hi 84 °F

 

Juneteenth
 
Showers likely and possibly a thunderstorm before 8am, then isolated showers between 8am and 9am. Cloudy, then gradually becoming mostly sunny, with a high near 84. Northwest wind 5 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Mostly clear, with a low around 64. Northwest wind 9 to 14 mph, with gusts as high as 20 mph.
Saturday
 
Sunny, with a high near 85. West wind 10 to 14 mph, with gusts as high as 20 mph.
Saturday Night
 
Partly cloudy, with a low around 65. West wind 6 to 9 mph.
Sunday
 
Sunny, with a high near 88. West wind 6 to 10 mph.
Sunday Night
 
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Monday
 
A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 90%.
Monday Night
 
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 67. Chance of precipitation is 80%.
Tuesday
 
Mostly sunny, with a high near 84.
Tuesday Night
 
Partly cloudy, with a low around 64.
Wednesday
 
Mostly sunny, with a high near 85.
Wednesday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Thursday
 
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Fort Myer VA.

Weather Forecast Discussion
905
FXUS61 KLWX 190732
AFDLWX

Area Forecast Discussion
National Weather Service Baltimore MD/Washington DC
332 AM EDT Fri Jun 19 2026

.WHAT HAS CHANGED...
Small Craft Advisories have been extended through daybreak
today. New advisories have been issued for tonight and will
likely need to be extended through Saturday. Severe
thunderstorms capable of producing damaging winds are possible
Monday afternoon.

&&

.KEY MESSAGES...
- A strong low pressure system could bring the threat for heavy
  rainfall and thunderstorms late Sunday night through Monday.

- Additional rain chances are expected by the middle
  of next week as an active upper level pattern continues.

&&

.DISCUSSION...

KEY MESSAGE 1...A strong low pressure system could bring the threat for heavy
rainfall and thunderstorms late Sunday night through Monday.

KEY MESSAGE 1 DESCRIPTION...

Showers associated with Arthur will exit the area after daybreak
today. Weak high pressure will build across the area tonight
through early Sunday.

Low pressure across northern IL Sunday evening will track across
IN & OH Sunday night pushing a warm front through the area late
Sunday night/early Monday. Showers and storms are expected late
Sunday into early Monday across the Appalachian region,
spreading east across the rest of the area Monday. Some severe
storms are possible Monday afternoon in the hot and unstable air
mass couple with strong mid-level winds (i.e 40 kt at 500 mb).
The cold front is expected to push east of the area Monday night
ending the thunderstorm threat.


KEY MESSAGE 2...Additional rain chances are expected by the middle
of next week as an active upper level pattern continues.

KEY MESSAGE 2 DESCRIPTION...

In the wake of the cold front Tuesday, plenty of uncertainty remains
amongst the guidance. Some of the guidance has an upper level low
pressure system impacting the area late Wednesday through Friday
while other pieces of guidance have weak high pressure over the
region. Overall looking at more of typical summertime regime with
daily chances for showers and thunderstorms Wednesday through the
weekend. Coverage has yet to be determined given the features in
play. With the trough in place, expect temperatures at or just above
normal through the period. Any rain that we do see will be
beneficial given continued drought concerns. As for humidity, expect
a gradual uptick especially during the late week period.

&&

.AVIATION /06Z FRIDAY THROUGH TUESDAY/...

Showers will be ending later this morning with no restrictions
expected. Gusty NW winds are expected this afternoon and
Saturday with gusts up to 25 kt. Showers and thunderstorms
appear likely Monday, some of which, could be severe with
damaging winds before a cdfnt crosses the area Monday night.

&&

.MARINE...

SCAs were extended earlier through the rest of the night. Winds
will diminish through the day today before strengthening again
tonight into Saturday. Additional SCAs are likely Saturday. Winds
diminish Sat night as high pressure builds in.

Winds strengthen again Sunday night through Tue. Severe
thunderstorms are possible Monday afternoon, which may require
SMWs.

&&

.LWX WATCHES/WARNINGS/ADVISORIES...
DC...None.
MD...Small Craft Advisory until 6 AM EDT early this morning for
     MDZ008.
     Small Craft Advisory from 5 PM this afternoon to 6 AM EDT
     Saturday for MDZ008.
VA...None.
WV...None.
MARINE...Small Craft Advisory until 6 AM EDT early this morning for
     ANZ530>534-537>543.
     Small Craft Advisory from 5 PM this afternoon to 6 AM EDT
     Saturday for ANZ530>534-537-539>541-543.

&&

$$

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






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