Clifton, Virginia Weather

71°F

Clifton, Virginia, USA

Updated: 20-Sep-2026 4:00am

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Tidal Potomac

Montgomery Cnty(C+SE), MD

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SMALL CRAFT ADVISORY - Tidal Potomac

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

WASHINGTON DC METRO AREA FORECAST DISCUSSION
Added some light sprinkles in across western and central MD this evening. Additional scattered showers early Sunday morning and again Sunday afternoon as a front slides through. Small Craft Advisories expanded.

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-Sep-2026 4:00am - next update at 4:10am

Temperature

Summary

Outlook

70.8°F

Comfortable

Feels like: 71°F

24-hr difference
4°F

	Today	Yesterday
High:	71.9°F 12:00am	81.4°F 2:43pm
Low:	70.8°F 3:54am	65.0°F 7:09am

High & Low September 2026
High:		95.7°F
01 September at 2:41 PM
Low:		52.3°F
15 September at 7:08 AM
Max Min:		73.9°F
02 September
Min Max:		79.4°F
15 September
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 September
High:		101.5°F
at 15:56 on 06 September 2023
Low:		40.2°F
at 07:12 on 22 September 2020
Max Min:		73.9°F
at 04:46 on 04 September 2018
Min Max:		60.0°F
at 15:53 on 30 September 2022
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:		70.8°F
Coldest Wind Chill
Today:		70.8°F
at 3:54am
Yesterday:		65.0°F
at 7:09am

September 2026		52.3°F
15 September at 7:08 AM
2026		2.9°F
01 February at 8:34 AM
Station September		38.3°F
at 07:38 on 20 September 2020
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:		1.1 Degree Days
Yesterday:		7.6 Degree Days

Heat Index

Now:		70.8°F
Warmest Heat Index
Today:		71.9°F
at 00:00
Yesterday:		85.0°F
at 14:43
September 2026		117.5°F
02 September at 1:40 PM
2026		128.9°F
04 July at 3:04 PM
Station Record September		117.5°F
at 13:40 on 02 September 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

	Overcast
	SE 1 Gust: 5 mph
0 Bft - Calm
Today: 6 mph 12:58am
Gust Month: 20 mph September 3

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 September 2026
High Gust:		20 mph
03 September at 11:27 PM
High Average:		9 mph
03 September at 11:33 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 September
High Gust:		21 mph
at 13:39 on 06 September 2016
High Average:		18 mph
at 16:29 on 13 September 2015
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:	2.8 miles
Yesterday:	13.7 miles
Highest Wind Run
September 2026	33.5 miles
14 September
2026	101.4 miles
07 February
September	103.7 miles
on 30 September 2017
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:	2.07 in
Season Total:	22.38 in
3 days since last rain.

Days Since Last Dry Day:	0
Station High September 2026
High Day:	1.01 in
03 September
High Hour:	1.06 in
04 September at 12:06 AM
High Rain Rate /hr:	5.65 in
03 September at 11:27 PM
Station High 2026
High Day:	1.35 in
16 March
High Hour:	1.06 in
04 September at 12:06 AM
High Rain Rate /hr:	6.94 in
10 August at 4:38 PM
Station Record September
High Day:	2.41 in
on 01 September 2021
High Hour:	1.59 in
at 03:01 on 01 September 2021
High Rain Rate /hr:	38.40 in
at 10:17 on 22 September 2018
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

Overnight Cloudy	Sunday Scattered Rain Showers	Sunday Night Chance Showers And T-Storms then Slight Chance Showers And T-Storms
Lo 67 °F	Hi 83 °F	Lo 63 °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:

88 %

Dew Point:

67.1°F

Barometer:

29.99 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:	6:54am
Sunset:	7:11pm
Moonset:	12:29am
Moonrise:	4:07pm

Day Length:		12:14
Dawn:		06:29
Dusk:		19:37
Daylight Length:		13:07
There will be 2min 31s less daylight tomorrow

Cloud Base

CB AGL:

848 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
20

Sunlight

12 hrs 17 min 1 sec
of Sunlight Today
Which is
2 min 30 sec Shorter
Than Yesterday
(Noon)

(Midnight)
Legend

Moon

Waxing Gibbous

64% %
Illuminated

NWS Weather Forecast - Outlook: Overnight & Sunday

Overnight

Cloudy

Lo 67 °F

NWS forecast: Cloudy, with a low around 67. South wind around 8 mph.
Davis VP+ forecast: Increasing clouds and cooler. Precipitation possible and windy within 6 hours.

Sunday

Scattered Rain Showers

Hi 83 °F

NWS forecast: Scattered rain showers between 9am and 2pm, then scattered showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

NWS Weather Forecast - Five Day Outlook for Overnight through Wednesday Night - Last Update: Sun, 20-Sep-2026 2:22am EDT

Overnight Cloudy	Sunday Scattered Rain Showers	Sunday Night Chance Showers And T-Storms then Slight Chance Showers And T-Storms	Monday Mostly Cloudy then Slight Chance Rain Showers	Monday Night Showers And T-Storms	Tuesday Showers And T-Storms	Tuesday Night Showers And T-Storms	Wednesday Showers And T-Storms Likely	Wednesday Night Rain Showers Likely
Lo 67 °F	Hi 83 °F	Lo 63 °F	Hi 74 °F	Lo 59 °F	Hi 65 °F	Lo 54 °F	Hi 63 °F	Lo 54 °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
February 1865 is the only month recorded in history not to have a full moon.

Today in Weather History

Weather History for September 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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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

Northeast US Radar

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