Clifton, Virginia Weather

89°F

Clifton, Virginia, USA

Updated: 04-Aug-2026 4:20pm

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

WASHINGTON DC METRO AREA FORECAST DISCUSSION
Have increased shower chances across the I-64 corridor given ongoing radar trends. Otherwise, the 12Z high-resolution models are still not completely on board with an excessive rainfall threat tonight into early Wednesday. However, with increasing moisture content coupled with an approaching warm front, the risk does appear non-zero tonight which bears monitoring.

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: @ 04-Aug-2026 4:20pm - next update at 4:30pm

Temperature

Summary

Outlook

89.4°F

Warm

Feels like: 98°F

24-hr difference
1.6°F

	Today	Yesterday
High:	90.4°F 3:10pm	88.3°F 4:44pm
Low:	68.7°F 6:59am	73.4°F 3:54am

High & Low August 2026
High:		90.4°F
04 August at 3:10 PM
Low:		66.2°F
01 August at 5:16 AM
Max Min:		73.8°F
02 August
Min Max:		81.6°F
02 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:		89.4°F
Coldest Wind Chill
Today:		68.7°F
at 6:59am
Yesterday:		73.4°F
at 3:54am

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:		8.6 Degree Days
Yesterday:		14.9 Degree Days

Heat Index

Now:		97.7°F
Warmest Heat Index
Today:		100.5°F
at 15:05
Yesterday:		101.2°F
at 12:00
August 2026		101.2°F
03 August at 12:00 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

	Partly cloudy
	ESE 1 Gust: 6 mph
0 Bft - Calm
Today: 10 mph 2:52pm
Gust Month: 11 mph August 2

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 August 2026
High Gust:		11 mph
02 August at 12:34 AM
High Average:		4 mph
01 August at 3:21 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:	6.0 miles
Yesterday:	8.5 miles
Highest Wind Run
August 2026	15.3 miles
01 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:	0.00 in
Rain Rate (/hr):	0.00 in
Rain Yesterday:	0.07 in
This Month:	0.82 in
Season Total:	15.87 in
1 day since last rain.

Days Since Last Dry Day:	2
Station High August 2026
High Day:	0.75 in
02 August
High Hour:	0.40 in
02 August at 4:15 PM
High Rain Rate /hr:	4.20 in
02 August at 4:03 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 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:	6.86 in
at 18:04 on 06 August 2023
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 Partly Sunny	Tonight Slight Chance Showers And T-Storms then Showers And T-Storms Likely	Wednesday Showers And T-Storms Likely
Hi 86 °F	Lo 70 °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:

59 %

Dew Point:

73.2°F

Barometer:

30.04 inHg

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

Almanac

Sunrise:	6:12am
Sunset:	8:19pm
Moonset:	12:23pm
Moonrise:	11:09pm

Day Length:		14:03
Dawn:		05:44
Dusk:		20:47
Daylight Length:		15:02
There will be 1min 59s less daylight tomorrow

Cloud Base

CB AGL:

3685 ft

UV Index

3.8
Medium

High: 7.3 @ 1:06pm

Solar Radiation

629 W/m²

High: 951 @ 2:22pm

Air Quality Index

Current AQI
20

Sunlight

14 hrs 6 min 47 sec
of Sunlight Today
Which is
1 min 59 sec Shorter
Than Yesterday
(Noon)

(Midnight)
Legend

Moon

Waning Gibbous

64% %
Illuminated

NWS Weather Forecast - Outlook: This Afternoon & Tonight

This
Afternoon

Partly Sunny

Hi 86 °F

NWS forecast: Partly sunny, with a high near 86. East wind around 7 mph.
Davis VP+ forecast: Increasing clouds and warmer. Precipitation possible within 12 to 24 hours. Windy.

Tonight

Slight Chance Showers And T-Storms then Showers And T-Storms Likely

Lo 70 °F

NWS forecast: A slight chance of showers and thunderstorms between 10pm and 11pm, then showers and thunderstorms likely between 11pm and 5am, then rain showers likely and patchy fog. Mostly cloudy, with a low around 70. East wind 1 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 Saturday - Last Update: Tue, 04-Aug-2026 2:22pm EDT

This Afternoon Partly Sunny	Tonight Slight Chance Showers And T-Storms then Showers And T-Storms Likely	Wednesday Showers And T-Storms Likely	Wednesday Night Showers And T-Storms Likely then Chance Showers And T-Storms	Thursday Mostly Sunny	Thursday Night Partly Cloudy	Friday Mostly Sunny then Chance Showers And T-Storms	Friday Night Chance Showers And T-Storms	Saturday Partly Sunny then Chance Showers And T-Storms
Hi 86 °F	Lo 70 °F	Hi 86 °F	Lo 72 °F	Hi 90 °F	Lo 72 °F	Hi 90 °F	Lo 71 °F	Hi 89 °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

Weather Terms
Flash Flood Warning - Flash flooding is occurring, imminent or highly likely. A flash flood is a flood that occurs within 6 hours of excessive rainfall and that poses a threat to life and/or property. Ice jams and dam failures can also cause flash floods. These warnings are issued on a county by county basis by the local Weather Forecast Office in Sterling, VA and are generally in effect for up to 6 hours.

Today in Weather History

Weather History for August 4

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

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Random Weather Facts

Today in Weather History