Small Craft Advisory SMALL CRAFT ADVISORY - Tidal Potomac
Test Message TEST MESSAGE - Montgomery Cnty(C+SE), MD  - Montgomery Cnty(NW), MD

WASHINGTON DC METRO AREA FORECAST DISCUSSION
The Gale Warning for the middle Chesapeake was cancelled in favor for a Small Craft Advisory. Existing Small Craft Advisories were reoriented and extended into Tuesday night.

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.
spacer

Current Clifton Virginia Conditions & NWS Forecast

Updated: @ 19-Oct-2026 7:00pm - next update at 7:10pm  
Temperature Summary Outlook
Currently: 58.8, Max: 68.7, Min: 37.7 58.8°F
Colder 3.0°F than last hour.

Cool

Feels like: 59°F

24-hr difference
5.4°FWarmer 5.4°F than yesterday at this time.
  Today Yesterday
High: 68.7°F
3:10pm
64.2°F
3:24pm
Low: 37.7°F
7:06am
38.1°F
6:42am
High & Low October 2026
High:  91.1°F
14 October at 2:49 PM
Low:  37.7°F
19 October at 7:06 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:  58.8°F
Coldest Wind Chill
Today:  37.7°F
at 7:06am
Yesterday:  38.1°F
at 6:42am
October 2026  37.7°F
19 October at 7:06 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: 11.5 Degree Days
Yesterday: 16.0 Degree Days
Cooling Degree Days
Today: 0.4 Degree Days
Yesterday: 0.0 Degree Days
Heat Index
Now:  58.8°F
Warmest Heat Index
Today:  68.7°F
at 15:10
Yesterday:  64.2°F
at 15:24
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: 12 mph 4:15pm
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:  11.3 miles
Yesterday:  7.4 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: 0.00 in
This Month: 3.46 in
Season Total: 27.28 in
2 days since last rain.

Days Since Last Dry Day: 0
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
Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Clear
Clear
Lo 42 °F Hi 69 °F Lo 46 °F
Lightning VA MD DC WV DE

Viginia Lighting
Radar Washington DC Metro Area

GRLevel3 radar images are not available at this time.

Storm Prediction Center Activity Chart

SPC Activity

Humidity & Barometer
Humidity: 63 % Increased 16.0% since last hour.
Dew Point: 46.2°F Increased 2.5°F since last hour.
Barometer: 30.30 inHg Falling 0.01  inHg/hr
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: 7:21am
Sunset: 6:27pm
Moonset: 12:18am
Moonrise: 3:11pm

Day Length:  11:01
Dawn:  06:56
Dusk:  18:52
Daylight Length:  11:56
 There will be 2min 24s less daylight tomorrow

Cloud Base

cloudbase
CB AGL: 2857 ft
UV Index

   0.0   
None
High: 3.7 @ 12:45pm

Solar Radiation
0 W/m2
High: 719 @  1:01pm

Air Quality Index
Current AQI
5
  Good

Sunlight

11 hrs 5 min 15 sec
of Sunlight Today
Which is
2 min 24 sec Shorter
Than Yesterday

(Noon)
graph (Midnight)
Legend

Moon


Waxing Gibbous
Waxing Gibbous, Moon at 8 days in cycle
62% %
Illuminated
 NWS Weather Forecast  - Outlook: Tonight & Tuesday
Tonight

Tonight: Clear
Clear

Lo 42 °F
NWS forecast: Clear, with a low around 42. North wind 5 to 9 mph.
Davis VP+ forecast: Increasing clouds and warmer. Precipitation possible within 24 to 48 hours.
  Tuesday

Tuesday: Sunny
Sunny

Hi 69 °F
NWS forecast: Sunny, with a high near 69. North wind around 12 mph, with gusts as high as 21 mph.
 NWS Weather Forecast  - Five Day Outlook for Tonight through Friday Night - Last Update: Mon, 19-Oct-2026 6:30pm EDT
Tonight

Tonight: Clear
Clear
Tuesday

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

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

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Clear
Clear
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Clear
Clear
Lo 42 °F Hi 69 °F Lo 46 °F Hi 65 °F Lo 43 °F Hi 66 °F Lo 47 °F Hi 61 °F Lo 41 °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
A year on Venus is 225 days.

Today in Weather History

Weather History for October 19
 
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.