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US Extremes

Past 24 hours
 
High Temp
104°F at Key West/Nas, FL
 
Low Temp
0°F at Gallup/Sen Clarke Fld, NM
 
Precipitation
1.75in at Watertown/Muni, SD

Daylight Hours

12 hrs 12 min
of Daylight Today
 graph
50.8% 49.2%
Which is
2 min 46sec Shorter
Than Yesterday]
Wind Advisory Wind Advisory - Southern Bristol (Massachusetts) In Effect ... [Click here for more]

Regional Radar Regional Visible Satellite
Radar/Satellite images courtesy of Weather Underground.
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METRIC | IMPERIAL
Updated: Sep-21-2017 @ 12:50am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 1.5°F than last hour.

70.3°F

---
High Today
70.3°F
12:38 AM 		Low Today
69.1°F
12:00 AM
Yest High
69.1°F
11:57 PM 		Yest Low
64.3°F
5:28 AM
Sta* High
83.4°F
2016 		Sta* Low
49.5°F
2012
* This Station's Records Since 12/2012
<!-- fixupCondition in='Night time/Dry/Overcast ' out='Night time, Dry, Overcast' ocnt='3' --><!-- vals split on slash --> Night time, Dry, Overcast Night time, Dry, Overcast

Wind from NNE Wind:  NNE
11.8
Gusting to:
 7.0 mph
Current Rain Rain:
0.00 in
Fire Weather Index: MINIMAL Current FWI:4
Fire Danger:
0.0 of 232
Overnight

Overnight: Tropical Storm Conditions Possible
Tropical Storm Conditions Possible
Thursday

Thursday: Tropical Storm Conditions Possible
Tropical Storm Conditions Possible
Thursday
Night
Thursday Night: Chance Rain Showers
Chance Rain Showers
Lo 66 °F Hi 71 °F Lo 61 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 0.6°F since last hour. 69.4°F
Last Hour: Increased 0.6°F since last hour. 0.6°F
High 12:26 AM: 69.5°F
Low 12:00 AM: 68.8°F
Record High: 84.4°F on
14-Aug-2016
Record Low: -18.2°F on
14-Feb-2016
Wetbulb: 69.7°F
Rain Today
rain graph
Today: 0.00 in
Storm Rain: 0.36 in
Yesterday: 0.16 in
Last 7 Days: 0.45 in
Sep Rain: 1.31 in
Sep to Date
  Avg:10 		1.10 in
Sep to Date
  Diff from Avg:10 		Over 0.21 in for the month 0.21 in
Sep Avg: 2.88 in
Diff from Avg: Under 1.57 in for the month 1.57 in
Season:1 23.38 in
YTD
  Avg:11 		21.95 in
YTD
  Diff from Avg:11 		Over 1.43 in for the year 1.43 in
Last Rain
Time/Date: 		20-Sep-2017
at 4:51 PM
97 rain days in 2017
6 days in September
0 days since last rain
Current: NNE  11.8 mph
1Hr Average: 8.1 mph
Wind Run: 7.11 miles
Wind Gust
Current: 7.0 mph mph
Today: 31.1 mph 12:36 AM
Month: 31.0 mph 21-Sep
Year: 45.0 mph 14-Mar
Record Gust: 50.9 mph
29-Oct-2012
Sunlight:
12 hrs 12 min
of Sunlight Today
 graph 50.8% 49.2%
Which is
2 min 46 sec Shorter
Than Yesterday
 
Evening Crescent, 0 days, 23 hours, 22 minutes in cycle
1%
Illuminated
Humidity Barometer
Current: Decreased 3% since last hour. 97%
Last Hour: Decreased 3% since last hour. 3%
High 12:00 AM: 100%
Low 12:28 AM: 97%
Record High: 100%
29-Jun-2013
Record Low: 17%
6-Apr-2013
Current: Rising 0.004 inHg/hr 29.816 inHg
Last Hour: Steady
High 12:36 AM: 29.824 in.
Low 12:05 AM: 29.809 in.
Record High: 30.862 inHg
25-Nov-2015
Record Low: 28.807 inHg
14-Feb-2014
Cooling Degree Days Tide Heat Index Air
Today: 0.1
Sep: 53.9
2017 to Date: 639.7
Heating Degree Days
2017 to Date: 3368.1

2 hours, 17 minutes to low tide at
03:09 AM EDT
Current: 70.3°F
High 12:38am: 70.3°F
Yesterday: 69.1°F
Record: 120.6°F
14-Aug-2016
Quality
Index6:
33

Good
Density:
1.184 kg/m3
UV Summary/Forecast Solar Summary
Sep-21

6.2 		Sep-22

6.2 		Sep-23

5.9
Sunrise is at: 6:31 am
Solar Noon: 12:37
Sunset is at: 6:43 pm
Almanac Snow3 Station All Time Records Cloud Level
Currently: Night
YTD Avg Temp: 54.4°F
Sunrise: 6:31 am
Sunset: 6:43 pm
Moonrise: 7:45 am
Moonset: 7:42 pm
Full Moon: October--2017
New Moon: 19:13 UTC
October--2017
Today: 0.00 in
Yesterday: 0.00 in
Sep Snow: No Change 0.00 in
Sep Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 34.50 in
Snow Depth: 5.00 in
0 snow day in September
5 snow days this season.2
HIGHS: LOWS:
93.7°F
19-Jul-2013 		-8.1°F
14-Feb-2016
Daytime Records
  87.8°F
19-Jul-2013 		  3.2°F
14-Feb-2016
Nitetime Records
  81.9°F
15-Aug-2016 		  -1.1°F
14-Feb-2016
ICN:13 | S3C2:2 | Ajax 3.xx
ISS:Ok | CON:4.8 | RCP:100%
1 Rain season: Jan 1st to Dec 31st.   4 Updated at Noon Central Time.   6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.   10 Historical average only to day 21 of just the month of September for this station since 2012.   11 Historical average rain this season to day 21 of September for this station since 2012.
 NWS Weather Forecast  -   Outlook Overnight & Thursday
Overnight

Overnight: Tropical Storm Conditions Possible
Tropical Storm Conditions Possible

Lo 66 °F 		NWS forecast: Tropical storm conditions possible. Patchy fog before 1am, then a slight chance of rain showers. Cloudy, with a low around 66. North wind around 17 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
 Thursday

Thursday: Tropical Storm Conditions Possible
Tropical Storm Conditions Possible

Hi 71 °F 		NWS forecast: Tropical storm conditions possible. A slight chance of rain showers. Cloudy, with a high near 71. North northeast wind 17 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 20%.
 NWS Short Term Weather Forecast
Thursday
Night
Thursday Night: Chance Rain Showers
Chance Rain Showers
Friday

Friday: Chance Rain Showers
Chance Rain Showers
Friday
Night
Friday Night: Chance Rain Showers
Chance Rain Showers
Saturday

Saturday: Chance Rain Showers
Chance Rain Showers
Saturday
Night
Saturday Night: Mostly Cloudy
Mostly Cloudy
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Sunday
Night
Sunday Night: Partly Cloudy then Slight Chance Rain Showers
Partly Cloudy then Slight Chance Rain Showers
Lo 61 °F Hi 64 °F Lo 63 °F Hi 69 °F Lo 65 °F Hi 77 °F Lo 67 °F
Version 6.94 - 13-Oct-2015 - Script Mods by: BurnsvilleWeatherLIVE.com


Random Weather Facts

Weather Terms
Freezing Rain/Freezing Drizzle - Rain or drizzle which falls in liquid form and freezes on impact with cold surfaces to form a glaze on the ground and exposed objects.

Weather History for September 21
 
1938
A great hurricane smashed into Long Island and bisected New England causing a massive forest blowdown and widespread flooding. Winds gusted to 186 mph at Blue Hill MA, and a storm surge of nearly thirty feet caused extensive flooding along the coast of Rhode Island. The hurricane killed 600 persons and caused 500 million dollars damage. The hurricane, which lasted twelve days, destroyed 275 million trees. Hardest hit were Massachusetts, Connecticut, Rhode Island and Long Island NY. The ""Long Island Express"" produced gargantuan waves with its 150 mph winds, waves which smashed against the New England shore with such force that earthquake-recording machines on the Pacific coast clearly showed the shock of each wave. (David Ludlum) (The Weather Channel)
1989
Hurricane Hugo slammed into the South Carolina coast about 11 PM, making landfall near Sullivans Island. Hurricane Hugo was directly responsible for thirteen deaths, and indirectly responsible for twenty-two others. A total of 420 persons were injured in the hurricane, and damage was estimated at eight billion dollars, including two billion dollars damage to crops. Sustained winds reached 85 mph at Folly Beach SC, with wind gusts as high was 138 mph. Wind gusts reached 98 mph at Charleston, and 1S09 mph at Shaw AFB. The biggest storm surge occurred in the McClellanville and Bulls Bay area of Charleston County, with a storm surge of 20.2 feet reported at Seewee Bay. Shrimp boats were found one half mile inland at McClellanville. (National Weather Summary) (Storm Data)