Freeze Warning FREEZE WARNING - Fauquier Cnty(N), VA  - Fauquier Cnty(S), VA  - Loudoun Cnty(E), VA  - Loudoun Cnty(W), VA
Small Craft Advisory SMALL CRAFT ADVISORY - Tidal Potomac
Frost Advisory FROST ADVISORY - Fairfax, VA  - Fairfax Cnty, VA  - Loudoun Cnty(E), VA  - Loudoun Cnty(W), VA  - Manassas, VA  - Manassas Park, VA  - Montgomery Cnty(C+SE), MD  - Montgomery Cnty(NW), MD  - Prince William Cnty, VA
Test Message TEST MESSAGE - Montgomery Cnty(C+SE), MD  - Montgomery Cnty(NW), MD

WASHINGTON DC METRO AREA FORECAST DISCUSSION
Freeze Warnings and Frost Advisories were issued late tonight into Monday morning for many areas west of I-95. Small Craft Advisories were issued through Monday. A Gale Watch was issued Monday evening through Tuesday morning for portions of the middle Chesapeake Bay.

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: @ 18-Oct-2026 7:10pm - next update at 7:20pm  
Temperature Summary Outlook
Currently: 52.4, Max: 64.2, Min: 38.1 52.4°F
Colder 3.7°F than last hour.

Cool

Feels like: 52°F

24-hr difference
-0.4°FColder 0.4°F than yesterday at this time.
  Today Yesterday
High: 64.2°F
3:24pm
61.8°F
12:25am
Low: 38.1°F
6:42am
45.6°F
11:55pm
High & Low October 2026
High:  91.1°F
14 October at 2:49 PM
Low:  38.1°F
18 October at 6:42 AM
Max Min:  62.6°F
04 October
Min Max:  61.8°F
17 October
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 October
High:  93.9°F
at 15:52 on 02 October 2019
Low:  29.8°F
at 06:50 on 19 October 2015
Max Min:  72.3°F
at 05:28 on 09 October 2017
Min Max:  48.9°F
at 15:45 on 26 October 2018
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:  52.4°F
Coldest Wind Chill
Today:  38.1°F
at 6:42am
Yesterday:  45.6°F
at 11:55pm
October 2026  38.1°F
18 October at 6:42 AM
2026  2.9°F
01 February at 8:34 AM
Station October  29.8°F
at 06:50 on 19 October 2015
Station All Time  °F
Records began on 24 December 2012
Degree Days
Heating Degree Days
Today: 12.2 Degree Days
Yesterday: 10.4 Degree Days
Cooling Degree Days
Today: 0.0 Degree Days
Yesterday: 0.0 Degree Days
Heat Index
Now:  52.4°F
Warmest Heat Index
Today:  64.2°F
at 15:24
Yesterday:  61.8°F
at 00:25
October 2026  101.1°F
14 October at 2:49 PM
2026  128.9°F
04 July at 3:04 PM
Station Record October  101.1°F
at 14:49 on 14 October 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
Clear Clear
 Calm -
0
Gust:
0 mph
0 Bft - Calm
Today: 7 mph 12:54pm
Gust Month: 17 mph October 17
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 October 2026
High Gust:  17 mph
17 October at 1:58 PM
High Average:  5 mph
16 October at 6:36 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 October
High Gust:  28 mph
at 11:52 on 22 October 2016
High Average:  17 mph
at 11:53 on 22 October 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:  7.4 miles
Yesterday:  39.1 miles
Highest Wind Run
October 2026  40.8 miles
12 October
2026  101.4 miles
07 February
October  200.4 miles
on 22 October 2016
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: 0.12 in
This Month: 3.46 in
Season Total: 27.28 in
1 day since last rain.

Days Since Last Dry Day: 3
Station High October 2026
High Day:  1.33 in
11 October
High Hour:  0.26 in
02 October at 7:50 PM
High Rain Rate /hr:  3.92 in
16 October at 7:52 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 October
High Day:  1.89 in
on 25 October 2021
High Hour:  0.86 in
at 20:17 on 25 October 2021
High Rain Rate /hr:  4.72 in
at 19:25 on 25 October 2021
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
Tonight

Tonight: Clear
Clear
Monday

Monday: Areas Of Frost then Sunny
Areas Of Frost then Sunny
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Lo 36 °F Hi 64 °F Lo 45 °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: 64 % Increased 15.0% since last hour.
Dew Point: 40.6°F Increased 1.4°F since last hour.
Barometer: 30.54 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
firedanger
Almanac
Sunrise: 7:20am
Sunset: 6:28pm
Moonset: 12:00am
Moonrise: 2:39pm

Day Length:  11:04
Dawn:  06:55
Dusk:  18:54
Daylight Length:  11:58
 There will be 2min 24s less daylight tomorrow

Cloud Base

cloudbase
CB AGL: 2596 ft
UV Index

   0.0   
None
High: 3.6 @ 12:49pm

Solar Radiation
0 W/m2
High: 733 @  1:06pm

Air Quality Index
Current AQI
2
  Good

Sunlight

11 hrs 7 min 39 sec
of Sunlight Today
Which is
2 min 24 sec Shorter
Than Yesterday

(Noon)
graph (Midnight)
Legend

Moon


Waxing Gibbous
Waxing Gibbous, Moon at 7 days in cycle
53% %
Illuminated
 NWS Weather Forecast  - Outlook: Tonight & Monday
Tonight

Tonight: Clear
Clear

Lo 36 °F
NWS forecast: Clear, with a low around 36. North wind 1 to 5 mph.
Davis VP+ forecast: Partly cloudy with little temperature change.
  Monday

Monday: Areas Of Frost then Sunny
Areas Of Frost then Sunny

Hi 64 °F
NWS forecast: Areas of frost before 7am. Sunny, with a high near 64. North wind 5 to 10 mph, with gusts as high as 18 mph.
 NWS Weather Forecast  - Five Day Outlook for Tonight through Thursday Night - Last Update: Sun, 18-Oct-2026 6:43pm EDT
Tonight

Tonight: Clear
Clear
Monday

Monday: Areas Of Frost then Sunny
Areas Of Frost then Sunny
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday

Wednesday: Sunny
Sunny
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Lo 36 °F Hi 64 °F Lo 45 °F Hi 67 °F Lo 44 °F Hi 64 °F Lo 42 °F Hi 66 °F Lo 46 °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
Neptune has at least 11 moons.

Today in Weather History

Weather History for October 18
 
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.