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 Details for Tidal Potomac Gale Warning
 Washington, DC
 Details for Washington, DC Coastal Flood Advisory
 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
 Tidal Potomac
 Details for Tidal Potomac Small Craft Advisory
 Arlington Cnty, VA
 Details for Arlington Cnty, VA Coastal Flood Watch
 Alexandria, VA
 Details for Alexandria, VA Coastal Flood Watch
 Falls Church, VA
 Details for Falls Church, VA Coastal Flood Watch
 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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Gale Warning GALE WARNING - Tidal Potomac
Coastal Flood Advisory COASTAL FLOOD ADVISORY - Alexandria, VA  - Arlington Cnty, VA  - Charles Cnty, MD  - Falls Church, VA  - Washington, DC
Small Craft Advisory SMALL CRAFT ADVISORY - Tidal Potomac
Coastal Flood Watch COASTAL FLOOD WATCH - Alexandria, VA  - Arlington Cnty, VA  - Falls Church, VA
Test Message TEST MESSAGE - Montgomery Cnty(C+SE), MD  - Montgomery Cnty(NW), MD

WASHINGTON DC METRO AREA FORECAST DISCUSSION
Coastal Flood Warnings have been issued for St. Mary`s and Anne Arundel counties through Wednesday morning with additional warnings possible for Alexandria and Dahlgren given increasing water levels. Precipitation chances decrease through this evening with improving weather conditions Thursday.

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: @ 23-Sep-2026 6:50pm - next update at 7:00pm  
Temperature Summary Outlook
Currently: 62.7, Max: 63.1, Min: 54.5 62.7°F
Warmer 0.4°F than last hour.

Comfortable

Feels like: 63°F

24-hr difference
3.2°FWarmer 3.2°F than yesterday at this time.
  Today Yesterday
High: 63.1°F
5:50pm 		64.9°F
12:00am
Low: 54.5°F
8:31am 		57.3°F
11:48pm
High & Low September 2026
High:  95.7°F
01 September at 2:41 PM
Low:  52.3°F
15 September at 7:08 AM
Max Min:  73.9°F
02 September
Min Max:  64.9°F
22 September
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 September
High:  101.5°F
at 15:56 on 06 September 2023
Low:  40.2°F
at 07:12 on 22 September 2020
Max Min:  73.9°F
at 04:46 on 04 September 2018
Min Max:  60.0°F
at 15:53 on 30 September 2022
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:  62.7°F
Coldest Wind Chill
Today:  54.5°F
at 8:31am
Yesterday:  57.3°F
at 11:48pm
September 2026  52.3°F
15 September at 7:08 AM
2026  2.9°F
01 February at 8:34 AM
Station September  38.3°F
at 07:38 on 20 September 2020
Station All Time  °F
Records began on 24 December 2012
Degree Days
Heating Degree Days
Today: 6.0 Degree Days
Yesterday: 4.2 Degree Days
Cooling Degree Days
Today: 0.0 Degree Days
Yesterday: 0.0 Degree Days
Heat Index
Now:  62.7°F
Warmest Heat Index
Today:  63.1°F
at 17:50
Yesterday:  64.9°F
at 00:00
September 2026  117.5°F
02 September at 1:40 PM
2026  128.9°F
04 July at 3:04 PM
Station Record September  117.5°F
at 13:40 on 02 September 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
Mostly cloudy Mostly cloudy
Wind from NW NW
0
Gust:
 3 mph
0 Bft - Calm
Today: 11 mph 3:57pm
Gust Month: 20 mph September 3
Rain Today:  0.33 in
Rain Rate /hr  0.00 in
Rain Last Hour:  0.00 in
Rain 24hrs:  0.48 in
Wind

Station High September 2026
High Gust:  20 mph
03 September at 11:27 PM
High Average:  9 mph
03 September at 11:33 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 September
High Gust:  21 mph
at 13:39 on 06 September 2016
High Average:  18 mph
at 16:29 on 13 September 2015
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:  19.6 miles
Yesterday:  14.4 miles
Highest Wind Run
September 2026  33.5 miles
14 September
2026  101.4 miles
07 February
September  103.7 miles
on 30 September 2017
Station All Time  284.2 miles
on 02 March 2018
Records began on 24 December 2012

Rain
Rain Today: 0.33 in
Rain Rate (/hr): 0.00 in
Rain Yesterday: 0.52 in
This Month: 3.27 in
Season Total: 23.58 in
0 day since last rain.

Days Since Last Dry Day: 2
Station High September 2026
High Day:  1.01 in
03 September
High Hour:  1.06 in
04 September at 12:06 AM
High Rain Rate /hr:  5.65 in
03 September at 11:27 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 September
High Day:  2.41 in
on 01 September 2021
High Hour:  1.59 in
at 03:01 on 01 September 2021
High Rain Rate /hr:  38.40 in
at 10:17 on 22 September 2018
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
This
Afternoon
This Afternoon: Cloudy
Cloudy
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Thursday

Thursday: Partly Sunny
Partly Sunny
Hi 62 °F Lo 52 °F Hi 65 °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: 83 % Increased 1.0% since last hour.
Dew Point: 57.5°F Increased 0.1°F since last hour.
Barometer: 30.36 inHg  
Baro Trend: Rising 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: 6:57am
Sunset: 7:06pm
Moonset: 3:37am
Moonrise: 5:39pm

Day Length:  12:06
Dawn:  06:32
Dusk:  19:32
Daylight Length:  13:00
 There will be 2min 32s less daylight tomorrow

Cloud Base

cloudbase
CB AGL: 1190 ft
UV Index

   0.0   
None
High: 2.1 @ 3:00pm

Solar Radiation
12 W/m2
High: 380 @  3:32pm

Air Quality Index
Current AQI
5
Good

Sunlight

12 hrs 9 min 30 sec
of Sunlight Today
Which is
2 min 31 sec Shorter
Than Yesterday
(Noon) graph (Midnight)
 Legend

Moon


Waxing Gibbous
Waxing Gibbous, Moon at 12 days in cycle
92% %
Illuminated
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Cloudy
Cloudy

Hi 62 °F		 NWS forecast: Cloudy, with a high near 62. Northeast wind around 9 mph, with gusts as high as 21 mph.
Davis VP+ forecast: Partly cloudy with little temperature change.		   Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 52 °F		 NWS forecast: Mostly cloudy, with a low around 52. Northeast wind around 10 mph, with gusts as high as 20 mph.
 NWS Weather Forecast  - Five Day Outlook for This Afternoon through Sunday - Last Update: Wed, 23-Sep-2026 4:53pm EDT
This
Afternoon
This Afternoon: Cloudy
Cloudy
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Thursday

Thursday: Partly Sunny
Partly Sunny
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday

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

Saturday: Sunny
Sunny
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Hi 62 °F Lo 52 °F Hi 65 °F Lo 48 °F Hi 70 °F Lo 53 °F Hi 75 °F Lo 55 °F Hi 73 °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

Astronomy
Pluto is not a planet, because under IAU criteria for a planet, it has not cleared its orbit.

Today in Weather History

Weather History for September 23
 
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.