Gale Warning GALE WARNING - Tidal Potomac
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
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
Much of the area is shrouded in light rain and drizzle, with steadier and heavier elements fewer and farther between for the time being as of mid afternoon. Monitoring rising tide levels and coastal flooding trends.

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-Sep-2026 6:50pm - next update at 7:00pm  
Temperature Summary Outlook
Currently: 59.5, Max: 64.9, Min: 59.5 59.5°F
Colder 0.3°F than last hour.

Cool

Feels like: 60°F

24-hr difference
-6.1°FColder 6.1°F than yesterday at this time.
  Today Yesterday
High: 64.9°F
12:00am
74.8°F
12:00am
Low: 59.5°F
6:37pm
64.7°F
8:03pm
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:  74.8°F
21 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:  59.5°F
Coldest Wind Chill
Today:  59.5°F
at 6:37pm
Yesterday:  64.7°F
at 8:03pm
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: 2.9 Degree Days
Yesterday: 0.0 Degree Days
Cooling Degree Days
Today: 0.0 Degree Days
Yesterday: 4.1 Degree Days
Heat Index
Now:  59.5°F
Warmest Heat Index
Today:  64.9°F
at 00:00
Yesterday:  74.8°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
Overcast Overcast
 Wind from NW NW
0
Gust:
3 mph
0 Bft - Calm
Today: 8 mph 5:09am
Gust Month: 20 mph September 3
Rain Today:  0.37 in
Rain Rate /hr  0.00 in
Rain Last Hour:  0.02 in
Rain 24hrs:  0.40 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:  11.6 miles
Yesterday:  11.6 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: 0.37 in
Rain Rate (/hr): 0.00 in
Rain Yesterday: 0.35 in
This Month: 2.79 in
Season Total: 23.10 in
0 day since last rain.

Days Since Last Dry Day: 1
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
Tonight

Tonight: Rain
Rain
Wednesday

Wednesday: Light Rain Likely
Light Rain Likely
Wednesday
Night
Wednesday Night: Mostly Cloudy
Mostly Cloudy
Lo 55 °F Hi 63 °F Lo 52 °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: 96 %  
Dew Point: 58.4°F Decreased 0.4°F since last hour.
Barometer: 30.25 inHg Rising 0.01  inHg/hr
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: 6:56am
Sunset: 7:08pm
Moonset: 2:33am
Moonrise: 5:12pm

Day Length:  12:09
Dawn:  06:31
Dusk:  19:33
Daylight Length:  13:02
 There will be 2min 32s less daylight tomorrow

Cloud Base

cloudbase
CB AGL: 193 ft
UV Index

   0.0   
None
High: 0.9 @ 1:49pm

Solar Radiation
0 W/m2
High: 107 @  3:51pm

Air Quality Index
Current AQI
10
  Good

Sunlight

12 hrs 12 min 1 sec
of Sunlight Today
Which is
2 min 30 sec Shorter
Than Yesterday

(Noon)
graph (Midnight)
Legend

Moon


Waxing Gibbous
Waxing Gibbous, Moon at 11 days in cycle
85% %
Illuminated
 NWS Weather Forecast  - Outlook: Tonight & Wednesday
Tonight

Tonight: Rain
Rain

Lo 55 °F
NWS forecast: Rain and patchy drizzle and patchy fog. Cloudy, with a low around 55. Northeast wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Davis VP+ forecast: Partly cloudy with little temperature change.
  Wednesday

Wednesday: Light Rain Likely
Light Rain Likely

Hi 63 °F
NWS forecast: Rain likely before 5pm. Cloudy, with a high near 63. Northeast wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
 NWS Weather Forecast  - Five Day Outlook for Tonight through Saturday Night - Last Update: Tue, 22-Sep-2026 4:53pm EDT
Tonight

Tonight: Rain
Rain
Wednesday

Wednesday: Light Rain Likely
Light Rain Likely
Wednesday
Night
Wednesday Night: Mostly Cloudy
Mostly Cloudy
Thursday

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

Friday: Mostly Sunny
Mostly Sunny
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday

Saturday: Mostly Sunny
Mostly Sunny
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Lo 55 °F Hi 63 °F Lo 52 °F Hi 64 °F Lo 49 °F Hi 68 °F Lo 52 °F Hi 70 °F Lo 54 °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

Clouds
Mostly sunny and mostly clear indicate the same amount of cloud coverage - about 25 percent. Mostly sunny is used during the daytime, and mostly clear is used at night when there is no sun.

Today in Weather History

Weather History for September 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.