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
Added a mention of possible gale conditions over the lower Chesapeake Bay on Sunday as a result of passing remnants of Hurricane Isaias.

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: @ 09-Oct-2026 5:40pm - next update at 5:50pm  
Temperature Summary Outlook
Currently: 72.1, Max: 76.2, Min: 47.5 72.1°F
Colder 1.3°F than last hour.

Comfortable

Feels like: 72°F

24-hr difference
-4.7°FColder 4.7°F than yesterday at this time.
  Today Yesterday
High: 76.2°F
2:04pm
79.6°F
3:24pm
Low: 47.5°F
7:24am
54.3°F
7:25am
High & Low October 2026
High:  89.8°F
02 October at 3:33 PM
Low:  43.4°F
06 October at 8:04 AM
Max Min:  62.6°F
04 October
Min Max:  64.8°F
04 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:  72.1°F
Coldest Wind Chill
Today:  47.5°F
at 7:24am
Yesterday:  54.3°F
at 7:25am
October 2026  43.4°F
06 October at 8:04 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: 6.3 Degree Days
Yesterday: 4.3 Degree Days
Cooling Degree Days
Today: 2.4 Degree Days
Yesterday: 4.5 Degree Days
Heat Index
Now:  72.1°F
Warmest Heat Index
Today:  76.2°F
at 14:04
Yesterday:  79.6°F
at 15:24
October 2026  98.0°F
02 October at 4:05 PM
2026  128.9°F
04 July at 3:04 PM
Station Record October  100.0°F
at 13:43 on 02 October 2019
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
Mostly cloudy Mostly cloudy
 Calm -
0
Gust:
0 mph
0 Bft - Calm
Today: 9 mph 12:28pm
Gust Month: 13 mph October 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 October 2026
High Gust:  13 mph
02 October at 7:10 PM
High Average:  4 mph
05 October at 2:58 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:  5.9 miles
Yesterday:  16.7 miles
Highest Wind Run
October 2026  17.4 miles
05 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: 1.41 in
Season Total: 25.23 in
4 days since last rain.

Days Since Last Dry Day: 0
Station High October 2026
High Day:  0.73 in
04 October
High Hour:  0.26 in
02 October at 7:50 PM
High Rain Rate /hr:  3.43 in
02 October at 7:32 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
This
Afternoon
This Afternoon: Mostly Cloudy
Mostly Cloudy
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Saturday

Saturday: Mostly Cloudy
Mostly Cloudy
Hi 75 °F Lo 53 °F Hi 72 °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: 61 % Increased 15.0% since last hour.
Dew Point: 57.9°F Increased 5.8°F since last hour.
Barometer: 30.21 inHg  
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: 7:12am
Sunset: 6:41pm
Moonrise: 6:07am
Moonset: 5:58pm

Day Length:  11:26
Dawn:  06:46
Dusk:  19:07
Daylight Length:  12:20
 There will be 2min 29s less daylight tomorrow

Cloud Base

cloudbase
CB AGL: 3225 ft
UV Index

   0.0   
None
High: 3.7 @ 12:38pm

Solar Radiation
62 W/m2
High: 700 @  12:39pm

Air Quality Index
Current AQI
5
  Good

Sunlight

11 hrs 29 min 36 sec
of Sunlight Today
Which is
2 min 28 sec Shorter
Than Yesterday

(Noon)
graph (Midnight)
Legend

Moon


Waning Crescent
Waning Crescent, Moon at 27 days in cycle
1% %
Illuminated
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Mostly Cloudy
Mostly Cloudy

Hi 75 °F
NWS forecast: Mostly cloudy, with a high near 75. Northwest wind around 6 mph.
Davis VP+ forecast: Increasing clouds with little temperature change. Precipitation possible within 24 to 48 hours.
  Tonight

Tonight: Mostly Cloudy
Mostly Cloudy

Lo 53 °F
NWS forecast: Mostly cloudy, with a low around 53. Northeast wind 0 to 5 mph.
 NWS Weather Forecast  - Five Day Outlook for This Afternoon through Tuesday - Last Update: Fri, 09-Oct-2026 4:53pm EDT
This
Afternoon
This Afternoon: Mostly Cloudy
Mostly Cloudy
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Saturday

Saturday: Mostly Cloudy
Mostly Cloudy
Saturday
Night
Saturday Night: Cloudy then Rain
Cloudy then Rain
Sunday

Sunday: Rain then Showers And Thunderstorms
Rain then Showers And T-Storms
Sunday
Night
Sunday Night: Showers And Thunderstorms
Showers And T-Storms
Columbus
Day
Columbus Day: Chance Rain Showers then Partly Sunny
Chance Rain Showers then Partly Sunny
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday

Tuesday: Sunny
Sunny
Hi 75 °F Lo 53 °F Hi 72 °F Lo 59 °F Hi 68 °F Lo 63 °F Hi 74 °F Lo 59 °F Hi 79 °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

Weather Terms
Relative Humidity - The ratio of the amount of water vapor actually present in the air to the greatest amount possible at the same temperature.

Today in Weather History

Weather History for October 9
 
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.