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 Details for Tidal Potomac Small Craft Advisory
 Tidal Potomac
 Details for Tidal Potomac Small Craft Advisory
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 Details for Montgomery Cnty(NW), MD Test Message

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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 extended for all waters through Saturday afternoon due to channeling. Otherwise, no significant changes to the forecast. Still looking at a few gusty thunderstorms Saturday afternoon and evening along with beneficial rain Sunday into Monday. More frost/freeze potential early next week.

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: @ 08-May-2026 10:40pm - next update at 10:50pm  
Temperature Summary Outlook
Currently: 58.7, Max: 72.6, Min: 41.7 58.7°F
Colder 2.7°F than last hour.

Cool

Feels like: 59°F

24-hr difference
6.8°FWarmer 6.8°F than yesterday at this time.
  Today Yesterday
High: 72.6°F
2:08pm 		67.2°F
2:41pm
Low: 41.7°F
6:57am 		50.0°F
11:56pm
High & Low May 2026
High:  86.0°F
05 May at 2:51 PM
Low:  38.9°F
03 May at 7:07 AM
Max Min:  60.6°F
06 May
Min Max:  62.1°F
02 May
High and Low 2026
High:  94.0°F
16 April at 2:47 PM
Low:  5.2°F
27 January at 7:52 AM
Max Min:  66.9°F
04 April
Min Max:  18.4°F
25 January
Record May
High:  93.7°F
at 15:47 on 31 May 2022
Low:  32.0°F
at 03:46 on 10 May 2020
Max Min:  72.0°F
at 23:59 on 27 May 2015
Min Max:  51.3°F
at 14:37 on 09 May 2020
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:  58.7°F
Coldest Wind Chill
Today:  41.7°F
at 6:57am
Yesterday:  50.0°F
at 11:56pm
May 2026  38.9°F
03 May at 7:07 AM
2026  2.9°F
01 February at 8:34 AM
Station May  27.4°F
at 07:06 on 09 May 2020
Station All Time  °F
Records began on 24 December 2012
Degree Days
Heating Degree Days
Today: 7.1 Degree Days
Yesterday: 7.6 Degree Days
Cooling Degree Days
Today: 1.9 Degree Days
Yesterday: 0.1 Degree Days
Heat Index
Now:  58.7°F
Warmest Heat Index
Today:  72.6°F
at 14:08
Yesterday:  67.2°F
at 14:41
May 2026  84.5°F
05 May at 2:51 PM
2026  97.0°F
16 April at 3:01 PM
Station Record May  105.0°F
at 13:55 on 26 May 2021
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
Few Clouds Few Clouds
Wind from SE SE
0
Gust:
 1 mph
0 Bft - Calm
Today: 10 mph 12:49pm
Gust Month: 19 mph May 5
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 May 2026
High Gust:  19 mph
05 May at 4:05 PM
High Average:  6 mph
05 May at 3:31 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 May
High Gust:  27 mph
at 15:33 on 26 May 2017
High Average:  15 mph
at 14:07 on 08 May 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:  17.4 miles
Yesterday:  22.8 miles
Highest Wind Run
May 2026  45.0 miles
06 May
2026  101.4 miles
07 February
May  139.2 miles
on 13 May 2015
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: 0.06 in
This Month: 0.27 in
Season Total: 8.39 in
1 day since last rain.

Days Since Last Dry Day: 2
Station High May 2026
High Day:  0.21 in
06 May
High Hour:  0.13 in
06 May at 9:48 AM
High Rain Rate /hr:  0.64 in
07 May at 12:15 AM
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 May
High Day:  2.46 in
on 31 May 2018
High Hour:  2.16 in
at 18:26 on 31 May 2018
High Rain Rate /hr:  7.29 in
at 20:36 on 26 May 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
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Saturday

Saturday: Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy then Chance Showers And T-Storms
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms then Mostly Clear
Slight Chance Showers And T-Storms then Mostly Clear
Lo 52 °F Hi 73 °F Lo 54 °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: 57 % Increased 3.0% since last hour.
Dew Point: 43.5°F Decreased 0.3°F since last hour.
Barometer: 29.90 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: 6:02am
Sunset: 8:10pm
Moonrise: 1:35am
Moonset: 11:16am

Day Length:  14:04
Dawn:  05:35
Dusk:  20:38
Daylight Length:  15:03
 There will be 1min 57s more daylight tomorrow

Cloud Base

cloudbase
CB AGL: 3454 ft
UV Index

   0.0   
None
High: 6.6 @ 1:11pm

Solar Radiation
0 W/m2
High: 1132 @  12:55pm

Air Quality Index
Current AQI
13
Good

Sunlight

14 hrs 7 min 48 sec
of Sunlight Today
Which is
2 min 0 sec Longer
Than Yesterday
(Noon) graph (Midnight)
 Legend

Moon


Waning Gibbous
Waning Gibbous, Moon at 20 days in cycle
58% %
Illuminated
 NWS Weather Forecast  - Outlook: Tonight & Saturday
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 52 °F		 NWS forecast: Partly cloudy, with a low around 52. South wind around 8 mph.
Davis VP+ forecast: Not available		   Saturday

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

Hi 73 °F		 NWS forecast: A chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 73. Southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
 NWS Weather Forecast  - Five Day Outlook for Tonight through Tuesday Night - Last Update: Fri, 08-May-2026 7:53pm EDT
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Saturday

Saturday: Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy then Chance Showers And T-Storms
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms then Mostly Clear
Slight Chance Showers And T-Storms then Mostly Clear
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Sunday
Night
Sunday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Monday

Monday: Rain Showers
Rain Showers
Monday
Night
Monday Night: Chance Rain Showers then Partly Cloudy
Chance Rain Showers then Partly Cloudy
Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Lo 52 °F Hi 73 °F Lo 54 °F Hi 80 °F Lo 53 °F Hi 63 °F Lo 44 °F Hi 66 °F Lo 47 °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 May 8
 
2003   On I-24, state troopers blocked both sides of traffic to allow a tornado to pass near Paducah.
1840   At Natchez, MS at least 48 died on land and 269 on the river, most of those in sinking of flatboats, when a tornado struck. A piece of one steamboat was carried 30 miles.