Clifton, Virginia Weather

89°F

Clifton, Virginia, USA

Updated: 20-Aug-2026 3:50pm

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TEST MESSAGE - Montgomery Cnty(C+SE), MD - Montgomery Cnty(NW), MD

WASHINGTON DC METRO AREA FORECAST DISCUSSION
UPDATED National Weather Service Baltimore MD/Washington DC 1038 AM EDT Thu Aug 20 2026 .WHAT HAS CHANGED... While the severe threat is still there, extensive cloud cover may limit instability and severe wx risk. AI guidance has also trended down since yesterday. A special 18Z radiosonde will be launched later today at the request of SPC.

Current DC Area Radar & North America Lightning

Northeast US Radar	North America Lightning
Radar image courtesy of NWS.	Lightning Data courtesy of Blitzortung.org and its Contributors.

Current Clifton Virginia Conditions & NWS Forecast

Updated: @ 20-Aug-2026 3:50pm - next update at 4:00pm

Temperature

Summary

Outlook

88.5°F

Warm

Feels like: 99°F

24-hr difference
0.3°F

	Today	Yesterday
High:	89.9°F 2:38pm	89.5°F 3:17pm
Low:	72.0°F 1:14am	63.5°F 7:07am

High & Low August 2026
High:		95.5°F
08 August at 2:53 PM
Low:		63.5°F
19 August at 7:07 AM
Max Min:		74.8°F
14 August
Min Max:		80.1°F
16 August
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 August
High:		101.9°F
at 15:51 on 02 August 2024
Low:		50.4°F
at 06:59 on 21 August 2024
Max Min:		77.5°F
at 06:27 on 13 August 2016
Min Max:		67.3°F
at 16:48 on 29 August 2017
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:		88.5°F
Coldest Wind Chill
Today:		72.0°F
at 1:14am
Yesterday:		63.5°F
at 7:07am

August 2026		63.5°F
19 August at 7:07 AM
2026		2.9°F
01 February at 8:34 AM
Station August		50.4°F
at 06:59 on 21 August 2024
Station All Time		°F

Records began on 24 December 2012

Degree Days

Heating Degree Days
Today:		0.0 Degree Days
Yesterday:		0.1 Degree Days
Cooling Degree Days
Today:		8.3 Degree Days
Yesterday:		12.2 Degree Days

Heat Index

Now:		99.3°F
Warmest Heat Index
Today:		107.6°F
at 14:30
Yesterday:		96.5°F
at 12:52
August 2026		117.4°F
06 August at 2:54 PM
2026		128.9°F
04 July at 3:04 PM
Station Record August		120.1°F
at 15:58 on 12 August 2021
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

	Mostly cloudy
	S 1 Gust: 4 mph
0 Bft - Calm
Today: 10 mph 1:59pm
Gust Month: 23 mph August 10

Rain Today:	0.04 in
Rain Rate /hr	0.00 in
Rain Last Hour:	0.00 in
Rain 24hrs:	0.04 in

Wind

Station High August 2026
High Gust:		23 mph
10 August at 4:35 PM
High Average:		7 mph
10 August at 4:40 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 August
High Gust:		32 mph
at 21:02 on 19 August 2017
High Average:		12 mph
at 14:57 on 21 August 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:	8.6 miles
Yesterday:	8.4 miles
Highest Wind Run
August 2026	16.1 miles
13 August
2026	101.4 miles
07 February
August	91.3 miles
on 05 August 2017
Station All Time	284.2 miles
on 02 March 2018
Records began on 24 December 2012

Rain

Rain Today:	0.04 in
Rain Rate (/hr):	0.00 in
Rain Yesterday:	0.00 in
This Month:	4.01 in
Season Total:	19.06 in
0 day since last rain.

Days Since Last Dry Day:	0
Station High August 2026
High Day:	0.77 in
16 August
High Hour:	0.66 in
06 August at 7:13 PM
High Rain Rate /hr:	6.94 in
10 August at 4:38 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:	6.94 in
10 August at 4:38 PM
Station Record August
High Day:	3.20 in
on 01 August 2018
High Hour:	6.61 in
at 14:09 on 04 August 2017
High Rain Rate /hr:	6.94 in
at 16:38 on 10 August 2026
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

This Afternoon Chance Showers And T-Storms	Tonight Chance Showers And T-Storms then Patchy Fog	Friday Mostly Sunny
Hi 86 °F	Lo 65 °F	Hi 82 °F

Lightning VA MD DC WV DE

Radar Washington DC Metro Area

GRLevel3 radar from NWS station KLWX

Storm Prediction Center Activity Chart

Humidity & Barometer

Humidity:

66 %

Dew Point:

75.7°F

Barometer:

29.86 inHg

Baro Trend:

Falling

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

Almanac

Sunrise:	6:26am
Sunset:	7:59pm
Moonset:	12:00am
Moonrise:	2:57pm

Day Length:		13:29
Dawn:		06:00
Dusk:		20:25
Daylight Length:		14:25
There will be 2min 16s less daylight tomorrow

Cloud Base

CB AGL:

2912 ft

UV Index

0.9
Low

High: 7.2 @ 1:29pm

Solar Radiation

111 W/m²

High: 1051 @ 12:40pm

Air Quality Index

Current AQI
52

Sunlight

13 hrs 32 min 20 sec
of Sunlight Today
Which is
2 min 17 sec Shorter
Than Yesterday
(Noon)

(Midnight)
Legend

Moon

Waxing Gibbous

57% %
Illuminated

NWS Weather Forecast - Outlook: This Afternoon & Tonight

This
Afternoon

Chance Showers And T-Storms

Hi 86 °F

NWS forecast: A chance of showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 86. West wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change. Precipitation possible and windy within 6 hours.

Tonight

Chance Showers And T-Storms then Patchy Fog

Lo 65 °F

NWS forecast: A chance of showers and thunderstorms before 8pm, then scattered showers and thunderstorms between 8pm and 11pm, then patchy fog between 11pm and 2am. Some of the storms could be severe. Mostly cloudy, with a low around 65. North wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

NWS Weather Forecast - Five Day Outlook for This Afternoon through Monday - Last Update: Thu, 20-Aug-2026 2:23pm EDT

This Afternoon Chance Showers And T-Storms	Tonight Chance Showers And T-Storms then Patchy Fog	Friday Mostly Sunny	Friday Night Chance Showers And T-Storms	Saturday Chance Showers And T-Storms	Saturday Night Showers And T-Storms Likely	Sunday Partly Sunny then Slight Chance Showers And T-Storms	Sunday Night Slight Chance Showers And T-Storms then Mostly Clear	Monday Sunny
Hi 86 °F	Lo 65 °F	Hi 82 °F	Lo 67 °F	Hi 82 °F	Lo 66 °F	Hi 83 °F	Lo 63 °F	Hi 82 °F

NWS Forecast Maps

NOAA Forecast Map for Today	NOAA Forecast Map for Tomorrow
Forecast map for Today courtesy of NOAA.	Forecast map for Tomorrow courtesy of NOAA.

Random Weather Facts

Astronomy
One day on Uranus is 18 hours

Today in Weather History

Weather History for August 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.

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Contact Us

The weather data presented here is from a Weather Station that is privately owned and operated. The weather data collected by this weather station is not intended for legal use and is offered without any warranties expressed or implied. This site is solely supported by myself, owner of the Weather Station, and was specifically created for local residents along with weather enthusiasts. This website is neither affiliated with nor endorsed by the National Weather Service, the Town of Clifton or any other government agency. Your comments and suggestions are appreciated. Thanks for visiting. Never base important decisions on this or any weather information obtained from the Internet.

Clifton, Virginia Weather

Current DC Area Radar & North America Lightning

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North America Lightning

Current Clifton Virginia Conditions & NWS Forecast

NWS Forecast Maps

NOAA Forecast Map for Today

NOAA Forecast Map for Tomorrow

Random Weather Facts

Today in Weather History