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
No significant changes to the forecast thinking overnight, but did add/fine tune the mention of frost the next couple nights.

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: @ 23-Oct-2026 3:10am - next update at 3:20am  
Temperature Summary Outlook
Currently: 44.2, Max: 45.9, Min: 44.1 44.2°F
Colder 0.5°F than last hour.

Cold

Feels like: 44°F

24-hr difference
2.8°FWarmer 2.8°F than yesterday at this time.
  Today Yesterday
High: 45.9°F
12:00am
68.7°F
3:44pm
Low: 44.1°F
3:09am
39.4°F
7:51am
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:  44.2°F
Coldest Wind Chill
Today:  44.1°F
at 3:09am
Yesterday:  39.4°F
at 7:51am
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: 2.6 Degree Days
Yesterday: 13.2 Degree Days
Cooling Degree Days
Today: 0.0 Degree Days
Yesterday: 0.5 Degree Days
Heat Index
Now:  44.2°F
Warmest Heat Index
Today:  45.9°F
at 00:00
Yesterday:  68.7°F
at 15:44
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: 0 mph 12:00am
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:  0.0 miles
Yesterday:  18.5 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
6 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
Overnight

Overnight: Clear
Clear
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Mostly Clear then Patchy Fog
Mostly Clear then Patchy Fog
Lo 43 °F Hi 64 °F Lo 38 °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: 82 % Increased 2.0% since last hour.
Dew Point: 39.1°F Decreased 0.5°F since last hour.
Barometer: 30.21 inHg Rising 0.01  inHg/hr
Baro Trend: Rising 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: 7:26am
Sunset: 6:21pm
Moonset: 4:33am
Moonrise: 4:50pm

Day Length:  10:52
Dawn:  07:00
Dusk:  18:47
Daylight Length:  11:47
 There will be 2min 20s less daylight tomorrow

Cloud Base

cloudbase
CB AGL: 1169 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
11
  Good

Sunlight

10 hrs 55 min 46 sec
of Sunlight Today
Which is
2 min 21 sec Shorter
Than Yesterday

(Noon)
graph (Midnight)
Legend

Moon


Waxing Gibbous
Waxing Gibbous, Moon at 11 days in cycle
90% %
Illuminated
 NWS Weather Forecast  - Outlook: Overnight & Friday
Overnight

Overnight: Clear
Clear

Lo 43 °F
NWS forecast: Clear, with a low around 43. North wind around 7 mph.
Davis VP+ forecast: Partly cloudy with little temperature change.
  Friday

Friday: Sunny
Sunny

Hi 64 °F
NWS forecast: Sunny, with a high near 64. Northeast wind around 7 mph.
 NWS Weather Forecast  - Five Day Outlook for Overnight through Monday Night - Last Update: Fri, 23-Oct-2026 2:02am EDT
Overnight

Overnight: Clear
Clear
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Mostly Clear then Patchy Fog
Mostly Clear then Patchy Fog
Saturday

Saturday: Patchy Fog then Sunny
Patchy Fog then Sunny
Saturday
Night
Saturday Night: Patchy Fog
Patchy Fog
Sunday

Sunday: Patchy Frost then Sunny
Patchy Frost then Sunny
Sunday
Night
Sunday Night: Clear
Clear
Monday

Monday: Sunny
Sunny
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Lo 43 °F Hi 64 °F Lo 38 °F Hi 63 °F Lo 35 °F Hi 66 °F Lo 37 °F Hi 69 °F Lo 47 °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
Pluto is not a planet, because under IAU criteria for a planet, it has not cleared its orbit.

Today in Weather History

Weather History for October 23
 
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.