Clifton, Virginia Weather

72°F

Clifton, Virginia, USA

Updated: 17-Aug-2026 6:20am

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Tidal Potomac

Montgomery Cnty(C+SE), MD

Montgomery Cnty(NW), MD

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MARINE WEATHER STATEMENT - Tidal Potomac

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

WASHINGTON DC METRO AREA FORECAST DISCUSSION
Earlier Coastal Flood Advisories have been dropped. Heavy downpours are exiting northeast Maryland into northern Delaware, with scattered showers lingering near western Maryland.

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: @ 17-Aug-2026 6:20am - next update at 6:30am

Temperature

Summary

Outlook

71.9°F

Comfortable

Feels like: 72°F

24-hr difference
-2.3°F

	Today	Yesterday
High:	74.4°F 12:58am	80.1°F 5:45pm
Low:	71.9°F 6:03am	73.2°F 11:06pm

High & Low August 2026
High:		95.5°F
08 August at 2:53 PM
Low:		66.2°F
01 August at 5:16 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:		71.9°F
Coldest Wind Chill
Today:		71.9°F
at 6:03am
Yesterday:		73.2°F
at 11:06pm

August 2026		66.2°F
01 August at 5:16 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:		0.0 Degree Days
Cooling Degree Days
Today:		2.1 Degree Days
Yesterday:		10.4 Degree Days

Heat Index

Now:		71.9°F
Warmest Heat Index
Today:		74.4°F
at 00:58
Yesterday:		86.8°F
at 17:53
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

	Clear
	- 0 Gust: 0 mph
0 Bft - Calm
Today: 6 mph 2:10am
Gust Month: 23 mph August 10

Rain Today:	0.01 in
Rain Rate /hr	0.00 in
Rain Last Hour:	0.00 in
Rain 24hrs:	0.78 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:	0.5 miles
Yesterday:	15.4 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:	0.01 in
Rain Rate (/hr):	0.00 in
Rain Yesterday:	0.77 in
This Month:	3.58 in
Season Total:	18.63 in
0 day since last rain.

Days Since Last Dry Day:	1
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

Today Mostly Sunny then Slight Chance Showers And T-Storms	Tonight Slight Chance Showers And T-Storms	Tuesday Sunny
Hi 89 °F	Lo 71 °F	Hi 86 °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:

97 %

Dew Point:

71.0°F

Barometer:

29.85 inHg

Baro Trend:

Steady

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:	6:24am
Sunset:	8:03pm
Moonrise:	11:47am
Moonset:	10:21pm

Day Length:		13:36
Dawn:		05:57
Dusk:		20:29
Daylight Length:		14:32
There will be 2min 14s less daylight tomorrow

Cloud Base

CB AGL:

203 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
21

Sunlight

13 hrs 39 min 9 sec
of Sunlight Today
Which is
2 min 14 sec Shorter
Than Yesterday
(Noon)

(Midnight)
Legend

Moon

Waxing Crescent

25% %
Illuminated

NWS Weather Forecast - Outlook: Today & Tonight

Today

Mostly Sunny then Slight Chance Showers And T-Storms

Hi 89 °F

NWS forecast: A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. West wind 3 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change.

Tonight

Slight Chance Showers And T-Storms

Lo 71 °F

NWS forecast: A slight chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 71. Northwest wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

NWS Weather Forecast - Five Day Outlook for Today through Friday - Last Update: Mon, 17-Aug-2026 5:32am EDT

Today Mostly Sunny then Slight Chance Showers And T-Storms	Tonight Slight Chance Showers And T-Storms	Tuesday Sunny	Tuesday Night Mostly Clear	Wednesday Sunny	Wednesday Night Partly Cloudy then Slight Chance Rain Showers	Thursday Showers And T-Storms Likely	Thursday Night Showers And T-Storms Likely	Friday Showers And T-Storms Likely
Hi 89 °F	Lo 71 °F	Hi 86 °F	Lo 66 °F	Hi 88 °F	Lo 70 °F	Hi 86 °F	Lo 67 °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

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 August 17

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

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NOAA Forecast Map for Tomorrow

Random Weather Facts

Today in Weather History