Heat Advisory HEAT ADVISORY - Alexandria, VA  - Arlington Cnty, VA  - Charles Cnty, MD  - Fairfax, VA  - Fairfax Cnty, VA  - Falls Church, VA  - Fauquier Cnty(N), VA  - Fauquier Cnty(S), VA  - Manassas, VA  - Manassas Park, VA  - Montgomery Cnty(C+SE), MD  - Montgomery Cnty(NW), MD  - Prince Georges Cnty, MD  - Prince William Cnty, VA  - Stafford Cnty, VA  - Washington, DC
Air Quality Alert AIR QUALITY ALERT - Alexandria, VA  - Arlington Cnty, VA  - Fairfax, VA  - Fairfax Cnty, VA  - Falls Church, VA  - Loudon Cnty(E), VA  - Loudon Cnty(W), VA  - Manassas, VA  - Manassas Park, VA  - Montgomery Cnty(C+SE), MD  - Montgomery Cnty(NW), MD  - Prince Georges Cnty, MD  - Prince William Cnty, VA  - Washington, DC
Test Message TEST MESSAGE - Montgomery Cnty(C+SE), MD  - Montgomery Cnty(NW), MD

WASHINGTON DC METRO AREA FORECAST DISCUSSION
Evaluating the threat for flooding with incoming guidance over the next 24 to 48 hours. Widespread sunshine this morning will result in instability setting the stage for thunderstorms this afternoon and evening as a cold front slides in from the north.

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: @ 05-Jul-2026 12:30pm - next update at 12:40pm  
Temperature Summary Outlook
Currently: 87.4, Max: 87.4, Min: 72.7 87.4°F
Warmer 2.5°F than last hour.

Warm

Feels like: 97°F

24-hr difference
-10.7°FColder 10.7°F than yesterday at this time.
  Today Yesterday
High: 87.4°F
10:56am
101.6°F
3:01pm
Low: 72.7°F
6:10am
73.3°F
10:22pm
High & Low July 2026
High:  101.6°F
04 July at 3:01 PM
Low:  71.9°F
01 July at 6:03 AM
Max Min:  77.2°F
03 July
Min Max:  99.0°F
01 July
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:  77.2°F
03 July
Min Max:  18.4°F
25 January
Record July
High:  101.6°F
at 15:01 on 04 July 2026
Low:  51.6°F
at 05:40 on 30 July 2014
Max Min:  77.9°F
at 06:42 on 07 July 2024
Min Max:  72.0°F
at 22:57 on 04 July 2016
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:  87.4°F
Coldest Wind Chill
Today:  72.7°F
at 6:10am
Yesterday:  73.3°F
at 10:22pm
July 2026  71.9°F
01 July at 6:03 AM
2026  2.9°F
01 February at 8:34 AM
Station July  51.6°F
at 05:40 on 30 July 2014
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: 6.1 Degree Days
Yesterday: 21.4 Degree Days
Heat Index
Now:  95.2°F
Warmest Heat Index
Today:  96.4°F
at 10:55
Yesterday:  128.9°F
at 15:04
July 2026  128.9°F
04 July at 3:04 PM
2026  128.9°F
04 July at 3:04 PM
Station Record July  128.9°F
at 15:04 on 04 July 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
Partly cloudy Partly cloudy
 Wind from - -
0
Gust:
2 mph
0 Bft - Calm
Today: 5 mph 4:11am
Gust Month: 15 mph July 4
Rain Today:  0.02 in
Rain Rate /hr  0.00 in
Rain Last Hour:  0.00 in
Rain 24hrs:  0.09 in
Wind

Station High July 2026
High Gust:  15 mph
04 July at 8:48 PM
High Average:  4 mph
04 July at 5:46 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 July
High Gust:  28 mph
at 16:56 on 17 July 2019
High Average:  12 mph
at 16:11 on 18 July 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:  2.4 miles
Yesterday:  21.4 miles
Highest Wind Run
July 2026  21.4 miles
04 July
2026  101.4 miles
07 February
July  96.9 miles
on 29 July 2017
Station All Time  284.2 miles
on 02 March 2018
Records began on 24 December 2012

Rain
Rain Today: 0.02 in
Rain Rate (/hr): 0.00 in
Rain Yesterday: 0.07 in
This Month: 0.09 in
Season Total: 11.54 in
0 day since last rain.

Days Since Last Dry Day: 1
Station High July 2026
High Day:  0.07 in
04 July
High Hour:  0.07 in
04 July at 9:29 PM
High Rain Rate /hr:  0.12 in
04 July at 9:12 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 July
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:  12.80 in
at 15:26 on 22 July 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
Today

Today: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Tonight

Tonight: Chance Showers And Thunderstorms then Patchy Fog
Chance Showers And T-Storms then Patchy Fog
Monday

Monday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Hi 95 °F Lo 71 °F Hi 87 °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: 63 %  
Dew Point: 73.3°F  
Barometer: 29.93 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: 5:49am
Sunset: 8:39pm
Moonset: 11:13am
Moonrise: 11:50pm

Day Length:  14:47
Dawn:  05:19
Dusk:  21:10
Daylight Length:  15:50
 There will be 0min 50s less daylight tomorrow

Cloud Base

cloudbase
CB AGL: 3214 ft
UV Index

   -   
-
High: 5.1 @ 10:45am

Solar Radiation
- W/m2
High: 874 @  10:46am

Air Quality Index
Current AQI
38
  Good

Sunlight

14 hrs 50 min 36 sec
of Sunlight Today
Which is 47 sec Shorter
Than Yesterday

(Noon)
graph (Midnight)
Legend

Moon


Waning Gibbous
Waning Gibbous, Moon at 19 days in cycle
72% %
Illuminated
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms

Hi 95 °F
NWS forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 106. Southeast wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change.
  Tonight

Tonight: Chance Showers And Thunderstorms then Patchy Fog
Chance Showers And T-Storms then Patchy Fog

Lo 71 °F
NWS forecast: A chance of showers and thunderstorms before 8pm, then showers and thunderstorms between 8pm and midnight, then patchy fog and a chance of showers and thunderstorms between midnight and 2am, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 71. East wind 1 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
 NWS Weather Forecast  - Five Day Outlook for Today through Thursday - Last Update: Sun, 05-Jul-2026 11:00am EDT
Today

Today: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Tonight

Tonight: Chance Showers And Thunderstorms then Patchy Fog
Chance Showers And T-Storms then Patchy Fog
Monday

Monday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Monday
Night
Monday Night: Showers And Thunderstorms Likely then Showers And Thunderstorms
Showers And T-Storms Likely then Showers And T-Storms
Tuesday

Tuesday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Tuesday
Night
Tuesday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Wednesday

Wednesday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Thursday

Thursday: Slight Chance Rain Showers then Chance Showers And Thunderstorms
Slight Chance Rain Showers then Chance Showers And T-Storms
Hi 95 °F Lo 71 °F Hi 87 °F Lo 69 °F Hi 84 °F Lo 68 °F Hi 85 °F Lo 68 °F Hi 89 °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 July 5
 
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.