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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
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.

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: @ 19-Jun-2026 4:30am - next update at 4:40am  
Temperature Summary Outlook
Currently: 70.5, Max: 75.5, Min: 70.5 70.5°F
Colder 1.3°F than last hour.

Comfortable

Feels like: 71°F

24-hr difference
-2.5°FColder 2.5°F than yesterday at this time.
  Today Yesterday
High: 75.5°F
12:00am 		85.0°F
4:09pm
Low: 70.5°F
4:29am 		72.2°F
7:06am
High & Low June 2026
High:  96.9°F
11 June at 3:49 PM
Low:  51.6°F
03 June at 4:48 AM
Max Min:  72.2°F
18 June
Min Max:  77.4°F
02 June
High and Low 2026
High:  96.9°F
11 June at 3:49 PM
Low:  5.2°F
27 January at 7:52 AM
Max Min:  72.2°F
18 June
Min Max:  18.4°F
25 January
Record June
High:  99.4°F
at 14:43 on 25 June 2025
Low:  44.2°F
at 06:16 on 01 June 2025
Max Min:  78.1°F
at 06:58 on 23 June 2024
Min Max:  59.7°F
at 15:45 on 03 June 2015
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:  70.5°F
Coldest Wind Chill
Today:  70.5°F
at 4:29am
Yesterday:  72.2°F
at 7:06am
June 2026  51.6°F
03 June at 4:48 AM
2026  2.9°F
01 February at 8:34 AM
Station June  44.3°F
at 06:09 on 01 June 2025
Station All Time  °F
Records began on 24 December 2012
Degree Days
Heating Degree Days
Today: 0.0 Degree Days
Yesterday: 0.0 Degree Days
Cooling Degree Days
Today: 1.6 Degree Days
Yesterday: 12.9 Degree Days
Heat Index
Now:  70.5°F
Warmest Heat Index
Today:  75.5°F
at 00:00
Yesterday:  90.4°F
at 16:07
June 2026  118.0°F
11 June at 2:15 PM
2026  118.0°F
11 June at 2:15 PM
Station Record June  124.4°F
at 13:24 on 25 June 2025
Station All Time  124.4°F
at 13:24 on 25 June 2025
Records began on 24 December 2012
WeatherCam Thumbnail
North North West Camera
North North West WeatherCam
Overcast Overcast
Wind from SE SE
0
Gust:
 1 mph
0 Bft - Calm
Today: 2 mph 2:22am
Gust Month: 21 mph June 11
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 June 2026
High Gust:  21 mph
11 June at 7:54 PM
High Average:  7 mph
11 June at 7:55 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 June
High Gust:  26 mph
at 14:39 on 19 June 2018
High Average:  15 mph
at 15:12 on 08 June 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:  13.2 miles
Highest Wind Run
June 2026  43.0 miles
15 June
2026  101.4 miles
07 February
June  111.8 miles
on 12 June 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: 0.86 in
Season Total: 9.48 in
7 days since last rain.

Days Since Last Dry Day: 0
Station High June 2026
High Day:  0.40 in
12 June
High Hour:  0.37 in
12 June at 7:42 PM
High Rain Rate /hr:  1.29 in
12 June at 7:15 PM
Station High 2026
High Day:  1.35 in
16 March
High Hour:  0.78 in
16 March at 1:42 PM
High Rain Rate /hr:  5.76 in
16 March at 12:46 PM
Station Record June
High Day:  1.77 in
on 27 June 2015
High Hour:  1.62 in
at 21:22 on 26 June 2025
High Rain Rate /hr:  57.60 in
at 20:04 on 10 June 2020
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: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Juneteenth

Juneteenth: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Lo 67 °F Hi 84 °F Lo 62 °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: 81 % Increased 4.0% since last hour.
Dew Point: 64.4°F Decreased 0.3°F since last hour.
Barometer: 29.72 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: 5:42am
Sunset: 8:39pm
Moonset: 12:00am
Moonrise: 10:50am

Day Length:  14:52
Dawn:  05:13
Dusk:  21:10
Daylight Length:  15:57
 There will be 0min 3s more daylight tomorrow

Cloud Base

cloudbase
CB AGL: 1389 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
8
Good

Sunlight

14 hrs 56 min 22 sec
of Sunlight Today
Which is 7 sec Longer
Than Yesterday
(Noon) graph (Midnight)
 Legend

Moon


Waxing Crescent
Waxing Crescent, Moon at 5 days in cycle
24% %
Illuminated
 NWS Weather Forecast  - Outlook: Overnight & Juneteenth
Overnight

Overnight: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 67 °F		 NWS forecast: A chance of showers and thunderstorms. Cloudy, with a low around 67. Northwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Davis VP+ forecast: Mostly cloudy and cooler. Precipitation possible within 12 hours, possibly heavy at times. Windy.		   Juneteenth

Juneteenth: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy

Hi 84 °F		 NWS forecast: A chance of showers and thunderstorms before 9am. Mostly cloudy, with a high near 84. Northwest wind 3 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
 NWS Weather Forecast  - Five Day Outlook for Overnight through Monday Night - Last Update: Fri, 19-Jun-2026 2:22am EDT
Overnight

Overnight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Juneteenth

Juneteenth: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday

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

Sunday: Sunny
Sunny
Sunday
Night
Sunday Night: Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy then Chance Showers And T-Storms
Monday

Monday: Showers And Thunderstorms
Showers And T-Storms
Monday
Night
Monday Night: Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers And T-Storms then Chance Showers And T-Storms
Lo 67 °F Hi 84 °F Lo 62 °F Hi 84 °F Lo 63 °F Hi 88 °F Lo 68 °F Hi 87 °F Lo 65 °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

Weather Terms
Ice Storm Warning - Accumulations of 1/4 inch or more of freezing rain.

Today in Weather History

Weather History for June 19
 
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.