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Current Clifton Virginia Conditions & NWS Forecast

Updated: @ 20-Jan-2017 11:00pm - next update at 11:15pm  
Temperature Summary Outlook
Currently: 47.5, Max: 49.5, Min: 35.4 47.5°F
Warmer 0.1°F than last hour.

Cool

Feels like: 47°F

24-hr difference
12.1°FWarmer 12.1°F than yesterday at this time.
  Today Yesterday
High: 49.5°F
1:52pm
53.1°F
3:37pm
Low: 35.4°F
12:00am
35.1°F
11:09pm
High & Low January 2017
High:  71.6°F
12 January at 3:22 PM
Low:  10.0°F
09 January at 2:00 AM
Max Min:  51.3°F
12 January
Min Max:  24.6°F
07 January
High and Low 2017
High:  71.6°F
12 January at 3:22 PM
Low:  10.0°F
09 January at 2:00 AM
Max Min:  51.3°F
12 January
Min Max:  24.6°F
07 January
Record January
High:  71.6°F
at 15:22 on 12 January 2017
Low:  1.0°F
at 07:23 on 23 January 2014
Max Min:  51.3°F
at 00:00 on 12 January 2017
Min Max:  19.8°F
at 00:00 on 28 January 2014
Station All Time Record
High:  100.4°F
at 14:12 on 25 July 2016
Low:  1.0°F
at 07:23 on 23 January 2014
Max Min:  77.5°F
at 06:27 on 13 August 2016
Min Max:  16.7°F
at 12:04 on 16 February 2015
Records began on 24 December 2012
Wind Chill
Now:  47.5°F
Coldest Wind Chill
Today:  35.4°F
at 12:00am
Yesterday:  35.1°F
at 11:09pm
January 2017  4.1°F
08 January at 2:24 AM
2017  4.1°F
08 January at 2:24 AM
Station January  -7.8°F
at 05:32 on 07 January 2014
Station All Time  -15.8°F
at 01:57 on 21 February 2015
Records began on 24 December 2012
Degree Days
Heating Degree Days
Today: 20.6 Degree Days
Yesterday: 21.1 Degree Days
Cooling Degree Days
Today: 0.0 Degree Days
Yesterday: 0.0 Degree Days
Heat Index
Now:  47.5°F
Warmest Heat Index
Today:  49.5°F
at 13:52
Yesterday:  53.1°F
at 15:37
January 2017  71.6°F
12 January at 3:22 PM
2017  71.6°F
12 January at 3:22 PM
Station Record January  71.6°F
at 15:22 on 12 January 2017
Station All Time  114.2°F
at 12:45 on 19 July 2013
Records began on 24 December 2012
Overcast Overcast
 Wind from SE SE
1.8
Gust:
4.1 mph
1 Bft - Light air
Today: 10.0 mph 7:43am
Gust Month: 23.0 mph January 12
Rain Today:  0.01 in
Rain Rate /hr  0.00 in
Rain Last Hour:  0.00 in
Rain 24hrs:  0.01 in
Wind
Station High January 2017
High Gust:  23.0 mph
12 January at 4:02 PM
High Average:  17.6 mph
12 January at 3:24 PM
Station High 2017
High Gust:  23.0 mph
12 January at 4:02 PM
High Average:  17.6 mph
12 January at 3:24 PM
Station Record January
High Gust:  29.2 mph
at 14:25 on 23 January 2016
High Average:  17.6 mph
at 15:24 on 12 January 2017
Station All Time Record
High Gust:  39.3 mph
at 22:04 on 14 February 2015
High Average:  20.6 mph
at 11:09 on 15 December 2016
Records began on 24 December 2012
Wind Run
Today:  40.6 miles
Yesterday:  21.0 miles
Highest Wind Run
January 2017  156.4 miles
12 January
2017  156.4 miles
12 January
January  187.5 miles
on 23 January 2016
Station All Time  246.9 miles
on 15 February 2015
Records began on 24 December 2012
Rain
Rain Today: 0.01 in
Rain Rate (/hr): 0.00 in
Rain Yesterday: 0.00 in
This Month: 1.52 in
Season Total: 1.52 in
0 day since last rain.
Days Since Last Dry Day: 0
Station High January 2017
High Day:  0.63 in
03 January
High Hour:  0.18 in
03 January at 8:38 AM
High Rain Rate /hr:  0.48 in
17 January at 2:21 PM
Station High 2017
High Day:  0.63 in
03 January
High Hour:  0.18 in
03 January at 8:38 AM
High Rain Rate /hr:  0.48 in
17 January at 2:21 PM
Station Record January
High Day:  1.04 in
on 30 January 2013
High Hour:  0.20 in
at 02:53 on 10 January 2016
High Rain Rate /hr:  0.84 in
at 22:23 on 23 January 2015
Station All Time Record
High Day:  3.02 in
on 30 April 2014
High Hour:  1.98 in
at 16:12 on 20 March 2015
High Rain Rate /hr:  5.03 in
at 17:35 on 03 June 2016
High Month:  7.18 in
April 2014
Records began on 24 December 2012
Tonight

Tonight: Patchy drizzle and fog.  Cloudy, with a low around 43. Light south wind.
Patchy
Drizzle and
Patchy Fog
Saturday

Saturday: Patchy drizzle before 10am.  Areas of fog before noon.  Otherwise, cloudy, with a high near 53. Calm wind becoming south around 6 mph in the afternoon.
Patchy
Drizzle and
Areas Fog
then Cloudy
Saturday
Night
Saturday Night: A chance of rain.  Patchy fog after 1am.  Otherwise, cloudy, with a low around 47. Southeast wind around 5 mph becoming calm.  Chance of precipitation is 50%.
Chance Rain
and Patchy
Fog
Lightning VA MD DC WV DE
Viginia Lighting
Radar Washington DC Metro Area
Local Radar
Storm Prediction Center Activity Chart
SPC Activity
Humidity & Barometer
Humidity: 92 % Increased 1.0% since last hour.
Dew Point: 45.3°F Increased 0.7°F since last hour.
Barometer: 29.90 inHg  
Baro Trend: Rising slowly
Today
Pressure High:  30.01 in
Pressure Low:  29.83 in
Dewpoint High:  45.3 °F
Dewpoint Low:  30.6 °F
Humidity High:  92%
Humidity Low:  79%
Station Record
Pressure High:  30.85 in
at 10:04 on 28 February 2015
Pressure Low:  29.12 in
at 17:28 on 12 March 2014
Dewpoint High:  79.7 °F
at 11:26 on 19 July 2013
Dewpoint Low:  -27.0 °F
at 01:57 on 20 February 2015
Records began on 24 December 2012
Snow
Snow Depth: 0 in
Snowfall Today: No Snow Today
Storm Total: 0 in
Total Season Snow: 1.0 in
Total Last Season: 34.0 in
Fire Danger
firedanger
Almanac
Sunrise: 7:24am
Sunset: 5:18pm
Moonrise: 12:50am
Moonset: 12:09pm
Day Length:  09:51
Dawn:  06:56
Dusk:  17:46
Daylight Length:  10:50
 There will be 1min 40s more daylight tomorrow
Cloud Base
cloudbase
CB: 501 ft
UV Index Forecast Today
21-Jan-2017

2.0  Low 
UV Index Forecast Tomorrow
22-Jan-2017

2.3  Low 
Air Quality Index
Current AQI 56
Moderate
Sunlight
9 hrs 54 min 56 sec
of Sunlight Today
Which is
1 min 40 sec Longer
Than Yesterday

(Noon)
graph (Midnight)
Legend
Moon
Waning Crescent
Waning Crescent, Moon at 22 days in cycle
38
Illuminated
Trends
These graphs present the temperature, pressure, rainfall, and wind speed trends for the last 24 hours.
Weather Graphs
Click on weather description tab below to display the corresponding graph in the panel above.
Wind    Temperature    Pressure    Rain    Wind Direction    Humidity    Rain Rate   
 NWS Weather Forecast  - Outlook: Tonight & Saturday
Tonight

Tonight: Patchy drizzle and fog.  Cloudy, with a low around 43. Light south wind.
Patchy
Drizzle and
Patchy Fog

Lo 43 °F
NWS forecast: Patchy drizzle and fog. Cloudy, with a low around 43. Light south wind.
  Saturday

Saturday: Patchy drizzle before 10am.  Areas of fog before noon.  Otherwise, cloudy, with a high near 53. Calm wind becoming south around 6 mph in the afternoon.
Patchy
Drizzle and
Areas Fog
then Cloudy

Hi 53 °F
NWS forecast: Patchy drizzle before 10am. Areas of fog before noon. Otherwise, cloudy, with a high near 53. Calm wind becoming south around 6 mph in the afternoon.
 NWS Weather Forecast  - Five Day Outlook for Tonight through Tuesday Night - Last Update: 9:27 pm EST Jan 20, 2017
Tonight

Tonight: Patchy drizzle and fog.  Cloudy, with a low around 43. Light south wind.
Patchy
Drizzle and
Patchy Fog
Saturday

Saturday: Patchy drizzle before 10am.  Areas of fog before noon.  Otherwise, cloudy, with a high near 53. Calm wind becoming south around 6 mph in the afternoon.
Patchy
Drizzle and
Areas Fog
then Cloudy
Saturday
Night
Saturday Night: A chance of rain.  Patchy fog after 1am.  Otherwise, cloudy, with a low around 47. Southeast wind around 5 mph becoming calm.  Chance of precipitation is 50%.
Chance Rain
and Patchy
Fog
Sunday

Sunday: Rain.  High near 53. Light east wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Rain

Sunday
Night
Sunday Night: Rain.  Low around 46. East wind 9 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%.
Rain

Monday

Monday: Rain.  High near 51. Chance of precipitation is 80%.
Rain

Monday
Night
Monday Night: Rain likely, mainly before 1am.  Cloudy, with a low around 41. Chance of precipitation is 60%.
Rain Likely

Tuesday

Tuesday: Partly sunny, with a high near 51.
Partly Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 36.
Mostly Clear

Lo 43 °F Hi 53 °F Lo 47 °F Hi 53 °F Lo 46 °F Hi 51 °F Lo 41 °F Hi 51 °F Lo 36 °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

Rain
The total amount of precipitation the earth receives each year as snow, hail, and rain is equivalent to 10 million gallons of water for every person in the United States.

Today in Weather History

Weather History for January 20
 
1954
The temperature at Rogers Pass, MT, plunged to 70 degrees below zero to establish a new record for the continental U.S. (David Ludlum)

1987
Gale force winds lingered along the northern Atlantic coast in the wake of a holiday weekend storm. High winds along the eastern slopes of the Northern Rockies gusted to 67 mph at Livingston MT, and high winds in southern California gusted to 70 mph near San Bernardino. (National Weather Summary) (Storm Data)