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Arlington Cnty, VA
 Details for Arlington Cnty, VA Coastal Flood Advisory
 Alexandria, VA
 Details for Alexandria, VA Coastal Flood Advisory
 Falls Church, VA
 Details for Falls Church, VA Coastal Flood Advisory
 Charles Cnty, MD
 Details for Charles Cnty, MD Coastal Flood Advisory
 Tidal Potomac
 Details for Tidal Potomac Small Craft Advisory
 Montgomery Cnty(C+SE), MD
 Details for Montgomery Cnty(C+SE), MD Test Message
 Montgomery Cnty(NW), MD
 Details for Montgomery Cnty(NW), MD Test Message

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Coastal Flood Advisory COASTAL FLOOD ADVISORY - Alexandria, VA  - Arlington Cnty, VA  - Charles Cnty, MD  - Falls Church, VA
Small Craft Advisory SMALL CRAFT ADVISORY - Tidal Potomac
Test Message TEST MESSAGE - Montgomery Cnty(C+SE), MD  - Montgomery Cnty(NW), MD

WASHINGTON DC METRO AREA FORECAST DISCUSSION
UPDATED National Weather Service Baltimore MD/Washington DC 839 PM EDT Wed Oct 21 2026 .WHAT HAS CHANGED... Issued Coastal Flood Advisory for St. Mary`s County. Otherwise, no other changes were made.

Current DC Area Radar & North America Lightning


Northeast US Radar

Regional Radar

North America Lightning

North America Lightning Strikes
Radar image courtesy of NWS. Lightning Data courtesy of Blitzortung.org and its Contributors.
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Current Clifton Virginia Conditions & NWS Forecast

Updated: @ 22-Oct-2026 3:10am - next update at 3:20am  
Temperature Summary Outlook
Currently: 41.4, Max: 43.9, Min: 41.4 41.4°F
Colder 0.7°F than last hour.

Cold

Feels like: 41°F

24-hr difference
-7.7°FColder 7.7°F than yesterday at this time.
  Today Yesterday
High: 43.9°F
12:00am 		66.9°F
3:25pm
Low: 41.4°F
2:54am 		43.8°F
7:06am
High & Low October 2026
High:  91.1°F
14 October at 2:49 PM
Low:  37.7°F
19 October at 7:06 AM
Max Min:  62.6°F
04 October
Min Max:  61.8°F
17 October
High and Low 2026
High:  101.6°F
04 July at 3:01 PM
Low:  5.2°F
27 January at 7:52 AM
Max Min:  77.9°F
16 July
Min Max:  18.4°F
25 January
Record October
High:  93.9°F
at 15:52 on 02 October 2019
Low:  29.8°F
at 06:50 on 19 October 2015
Max Min:  72.3°F
at 05:28 on 09 October 2017
Min Max:  48.9°F
at 15:45 on 26 October 2018
Station All Time Record
High:  101.9°F
at 15:51 on 02 August 2024
Low:  1.0°F
at 07:23 on 23 January 2014
Max Min:  78.1°F
at 06:58 on 23 June 2024
Min Max:  16.7°F
at 12:04 on 16 February 2015
Records began on 24 December 2012
Wind Chill
Now:  41.4°F
Coldest Wind Chill
Today:  41.4°F
at 2:54am
Yesterday:  43.8°F
at 7:06am
October 2026  37.7°F
19 October at 7:06 AM
2026  2.9°F
01 February at 8:34 AM
Station October  29.8°F
at 06:50 on 19 October 2015
Station All Time  °F
Records began on 24 December 2012
Degree Days
Heating Degree Days
Today: 3.0 Degree Days
Yesterday: 11.5 Degree Days
Cooling Degree Days
Today: 0.0 Degree Days
Yesterday: 0.2 Degree Days
Heat Index
Now:  41.4°F
Warmest Heat Index
Today:  43.9°F
at 00:00
Yesterday:  66.9°F
at 15:25
October 2026  101.1°F
14 October at 2:49 PM
2026  128.9°F
04 July at 3:04 PM
Station Record October  101.1°F
at 14:49 on 14 October 2026
Station All Time  128.9°F
at 15:04 on 04 July 2026
Records began on 24 December 2012
WeatherCam Thumbnail
North North West Camera
North North West WeatherCam
Clear Clear
Calm -
0
Gust:
 0 mph
0 Bft - Calm
Today: 0 mph 12:00am
Gust Month: 17 mph October 17
Rain Today:  0.00 in
Rain Rate /hr  0.00 in
Rain Last Hour:  0.00 in
Rain 24hrs:  0.00 in
Wind

Station High October 2026
High Gust:  17 mph
17 October at 1:58 PM
High Average:  5 mph
16 October at 6:36 PM
Station High 2026
High Gust:  29 mph
07 February at 10:28 AM
High Average:  10 mph
12 March at 11:03 AM
Station Record October
High Gust:  28 mph
at 11:52 on 22 October 2016
High Average:  17 mph
at 11:53 on 22 October 2016
Station All Time Record
High Gust:  42 mph
at 12:56 on 04 January 2018
High Average:  24 mph
at 13:07 on 02 March 2018
Records began on 24 December 2012
Wind Run

Today:  0.0 miles
Yesterday:  17.5 miles
Highest Wind Run
October 2026  40.8 miles
12 October
2026  101.4 miles
07 February
October  200.4 miles
on 22 October 2016
Station All Time  284.2 miles
on 02 March 2018
Records began on 24 December 2012

Rain
Rain Today: 0.00 in
Rain Rate (/hr): 0.00 in
Rain Yesterday: 0.00 in
This Month: 3.46 in
Season Total: 27.28 in
5 days since last rain.

Days Since Last Dry Day: 0
Station High October 2026
High Day:  1.33 in
11 October
High Hour:  0.26 in
02 October at 7:50 PM
High Rain Rate /hr:  3.92 in
16 October at 7:52 PM
Station High 2026
High Day:  1.35 in
16 March
High Hour:  1.06 in
04 September at 12:06 AM
High Rain Rate /hr:  6.94 in
10 August at 4:38 PM
Station Record October
High Day:  1.89 in
on 25 October 2021
High Hour:  0.86 in
at 20:17 on 25 October 2021
High Rain Rate /hr:  4.72 in
at 19:25 on 25 October 2021
Station All Time Record
High Day:  5.17 in
on 21 July 2018
High Hour:  2.21 in
at 16:13 on 22 July 2020
High Rain Rate /hr:  64.00 in
at 10:49 on 19 October 2021
High Month:  10.27 in
July 2018
Records began on 24 December 2012
WeatherCam Thumbnail
South South West Camera
South South West WeatherCam
Overnight

Overnight: Clear
Clear
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Lo 41 °F Hi 65 °F Lo 46 °F
Lightning VA MD DC WV DE

Viginia Lighting
Radar Washington DC Metro Area

  GRLevel3 radar from NWS station KLWX

Storm Prediction Center Activity Chart

SPC Activity

Humidity & Barometer
Humidity: 89 % Increased 1.0% since last hour.
Dew Point: 38.4°F Decreased 0.2°F since last hour.
Barometer: 30.09 inHg Falling 0.01 inHg/hr
Baro Trend: Falling slowly
Today
Pressure High:  30.09 in
Pressure Low:  29.99 in
Dewpoint High:  33.1 °F
Dewpoint Low:  19.6 °F
Humidity High:  80%
Humidity Low:  40%
Station Record
Pressure High:  31.41 in
at 12:14 on 23 March 2017
Pressure Low:  28.99 in
at 07:41 on 07 February 2020
Dewpoint High:  82.7 °F
at 11:55 on 05 July 2024
Dewpoint Low:  -27.0 °F
at 01:57 on 20 February 2015
Records began on 24 December 2012
Snow

Snow Depth: 0.0 in
Snowfall Today: No Snow Today
Storm Total: 0.0 in
Total Season Snow: 13.0 in
Total Last Season: 15.5 in
Fire Danger
firedanger
Almanac
Sunrise: 7:25am
Sunset: 6:23pm
Moonset: 3:28am
Moonrise: 4:26pm

Day Length:  10:54
Dawn:  06:59
Dusk:  18:48
Daylight Length:  11:49
 There will be 2min 22s less daylight tomorrow

Cloud Base

cloudbase
CB AGL: 681 ft
UV Index

   0.0   
None
High: 0.0 @ 12:00am

Solar Radiation
0 W/m2
High: 0 @  12:00am

Air Quality Index
Current AQI
14
Good

Sunlight

10 hrs 58 min 7 sec
of Sunlight Today
Which is
2 min 22 sec Shorter
Than Yesterday
(Noon) graph (Midnight)
 Legend

Moon


Waxing Gibbous
Waxing Gibbous, Moon at 10 days in cycle
83% %
Illuminated
 NWS Weather Forecast  - Outlook: Overnight & Thursday
Overnight

Overnight: Clear
Clear

Lo 41 °F		 NWS forecast: Clear, with a low around 41. North wind around 6 mph.
Davis VP+ forecast: Increasing clouds with little temperature change. Precipitation possible within 24 to 48 hours.		   Thursday

Thursday: Sunny
Sunny

Hi 65 °F		 NWS forecast: Sunny, with a high near 65. North wind 6 to 10 mph, with gusts as high as 18 mph.
 NWS Weather Forecast  - Five Day Outlook for Overnight through Sunday Night - Last Update: Wed, 21-Oct-2026 10:52pm EDT
Overnight

Overnight: Clear
Clear
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday

Saturday: Sunny
Sunny
Saturday
Night
Saturday Night: Clear
Clear
Sunday

Sunday: Sunny
Sunny
Sunday
Night
Sunday Night: Clear
Clear
Lo 41 °F Hi 65 °F Lo 46 °F Hi 63 °F Lo 39 °F Hi 62 °F Lo 41 °F Hi 65 °F Lo 42 °F

NWS Forecast Maps

NOAA Forecast Map for Today

Forecast Map for Today

NOAA Forecast Map for Tomorrow

Forecast Map for Tomorrow
Forecast map for Today courtesy of NOAA. Forecast map for Tomorrow courtesy of NOAA.

Random Weather Facts

Extremes
By average annual rainfall, the wettest place in the world is Mawslynram, in Meghalaya State, India with 467 1/2 inches per annum.

Today in Weather History

Weather History for October 22
 
1984   Thunderstorms dropped 6 to 13 inches of rain at Tulsa, OK in 6 hours. The flooding claimed 14 lives and caused $90 million in property damage. 4600 cars, 743 houses, and 387 apartments were destroyed or severely damaged in the flood.
1967   A slow moving nor'easter battered New England with high winds, heavy rain, and record late season snow. Winds 70 to 90 mph in gusts occurred along the coast. Over 7 inches of rain fell at Nantucket, MS with 6.57 inches falling in 24 hours to set a new 24 hour rainfall record. 24.9 inches of snow fell at Mount Washington, NH to set a new May snowfall record.