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Small Craft Advisory SMALL CRAFT ADVISORY - Tidal Potomac

WASHINGTON DC METRO AREA FORECAST DISCUSSION
No major changes were made to the forecast.

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: @ 20-Jun-2026 1:10pm - next update at 1:20pm  
Temperature Summary Outlook
Currently: 83.7, Max: 83.7, Min: 59.0 83.7°F
Warmer 1.6°F than last hour.

Warm

Feels like: 86°F

24-hr difference
5.5°FWarmer 5.5°F than yesterday at this time.
  Today Yesterday
High: 83.7°F
1:09pm 		83.6°F
3:30pm
Low: 59.0°F
6:05am 		69.7°F
6:10am
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:  83.7°F
Coldest Wind Chill
Today:  59.0°F
at 6:05am
Yesterday:  69.7°F
at 6:10am
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: 0.8 Degree Days
Yesterday: 0.0 Degree Days
Cooling Degree Days
Today: 3.3 Degree Days
Yesterday: 10.6 Degree Days
Heat Index
Now:  83.8°F
Warmest Heat Index
Today:  83.8°F
at 13:09
Yesterday:  83.9°F
at 15:29
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
Mostly cloudy Mostly cloudy
Wind from N N
2
Gust:
 8 mph
1 Bft - Light air
Today: 12 mph 10:16am
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:  8.8 miles
Yesterday:  34.4 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
8 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
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny
Tonight

Tonight: Mostly Clear
Mostly Clear
Sunday

Sunday: Sunny
Sunny
Hi 86 °F Lo 63 °F Hi 88 °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: 45 % Increased 5.0% since last hour.
Dew Point: 60.1°F Increased 4.6°F since last hour.
Barometer: 29.89 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: 5:43am
Sunset: 8:39pm
Moonset: 12:19am
Moonrise: 11:59am

Day Length:  14:53
Dawn:  05:13
Dusk:  21:10
Daylight Length:  15:57
 There will be 0min 1s more daylight tomorrow

Cloud Base

cloudbase
CB AGL: 5363 ft
UV Index

   8.0   
 Very High 
High: 8.0 @ 12:59pm

Solar Radiation
1027 W/m2
High: 1039 @  1:00pm

Air Quality Index
Current AQI
4
Good

Sunlight

14 hrs 56 min 26 sec
of Sunlight Today
Which is 4 sec Longer
Than Yesterday
(Noon) graph (Midnight)
 Legend

Moon


Waxing Crescent
Waxing Crescent, Moon at 6 days in cycle
38% %
Illuminated
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny

Hi 86 °F		 NWS forecast: Mostly sunny, with a high near 86. Northwest wind around 14 mph, with gusts as high as 25 mph.
Davis VP+ forecast: Increasing clouds with little temperature change.		   Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 63 °F		 NWS forecast: Mostly clear, with a low around 63. Northwest wind 3 to 13 mph, with gusts as high as 23 mph.
 NWS Weather Forecast  - Five Day Outlook for This Afternoon through Wednesday - Last Update: Sat, 20-Jun-2026 10:53am EDT
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny
Tonight

Tonight: Mostly Clear
Mostly Clear
Sunday

Sunday: Sunny
Sunny
Sunday
Night
Sunday Night: Mostly Cloudy
Mostly Cloudy
Monday

Monday: Showers And Thunderstorms
Showers And T-Storms
Monday
Night
Monday Night: Showers And Thunderstorms
Showers And T-Storms
Tuesday

Tuesday: Slight Chance Rain Showers then Mostly Sunny
Slight Chance Rain Showers then Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday

Wednesday: Sunny
Sunny
Hi 86 °F Lo 63 °F Hi 88 °F Lo 68 °F Hi 90 °F Lo 65 °F Hi 84 °F Lo 62 °F Hi 85 °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
Alaska and Hawaii have the same heat record. In Pahala, Hawaii the temperature on April 27, 1931 was 100 degrees F. Alaska's state heat record is also 100 degrees F. on June 27, 1915 at Fort Yukon.

Today in Weather History

Weather History for June 20
 
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.