Navigation

Astronomy Links

Live Audio Feeds

Amateur Radio Links

External Weather Links

Weather University Links

Affiliations

Heat Advisory Heat Advisory - Northwest Suffolk (New York)
Air Quality Alert Air Quality Alert - Northwest Suffolk (New York)
Click on links above to see details on the 2 NOAA advisories for zone NYZ078.
Regional Radar webcam
Radar image courtesy of Weather Underground Click here for Live Webcams
Updated: @ 20-Jul-2017 10:30pm - next update at 7:00pm  
Summary / Temperature Wind Rain Outlook
Mostly cloudy
Mostly cloudy

78.7°F Colder 0.7°F than last hour.
Warm
Currently 78.7, Max: 90.0, Min: 71.7 Feels like:
79°F

24-hr
difference
2.2°FWarmer 2.2°F than yesterday at this time.
LOCALLY: Today Yesterday
High: 90.0°F
1:54pm 		91.4°F
4:35pm
Low: 71.7°F
6:11am 		72.6°F
6:27am
NWS
Normal:
Record:
Year:		 HIGH
82.0°F
97.0°F
1991
 LOW
66.0°F
52.0°F
1996
Wind from S S
0.9
Gust:
 1.0
Calm
Max Gust: 6.0 mph 1:13pm
Month: 11.0 mph Jul 1
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain: 		7/15/2017
3:02 AM
July: 1.59 in
Rain Season:1 19.79 in
4 days since last rain.
Friday

Friday: Mostly sunny, with a high near 94. Heat index values as high as 97. West wind 6 to 14 mph. Mostly Sunny
Barometer ( inHg) Humidity/Dew Point Moon
Current: 29.855 inHg Rising 0.01 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Steady
High: 29.985  | Low:  29.841
Humidity: 70 % Decreased 8% since last hour.
Humidex: 92.4°F
Dew Point: 68.1°F Decreased 3.8°F since last hour.
Wetbulb: 71.7°F
Waning Crescent
Waning Crescent, Moon at 26 days in cycle
8%
Illuminated
UV Forecast Solar Information
20-Jul-2017   Very High   9.7   
21-Jul-2017   Very High   9.6   
22-Jul-2017   Very High   9.4   
Sunrise is at: 5:39 am
Solar Noon: 12:59
Sunset is at: 8:19 pm
Heat Index Cooling Degree Days Sun
Current: 78.7°F
Today: 98.9°F  4:42pm
Yesterday: 98.3°F
Last Week: 98.8°F
Record: 108.7°F   13-Aug-2016
Today: 10.8
July: 188.6
2017 to Date: 404.9
Heating Degree Days
2017 to Date: 3018.8
Daylight: Possible hours of Daylight 14:40
-00:01:38 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 5:39am
Sunset: 8:19pm
Moonrise: 3:46am
Moonset: 6:33pm
Full Moon: July 09 2017
New Moon: 09:46 UTC July 23 2017
Outside Now
Air Density: 1.167 kg/m3
Cloud Height: 2615 ft
HIGHS: LOWS:
96.1°F
23-Jul-2016 		-0.0°F
14-Feb-2016
Daytime Records
    87.8 F on: Jul 23 2016   6.8F on: Feb 14 2016
Nitetime Records
  79.7F on: Jul 20 2015 5.0F on: Feb 14 2016
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
4.7 at 10:30 PM
1 Rain season: Jan 1st to Dec 31st.   
 NWS Weather Forecast  -   Tonight's and Friday's Outlook
Tonight

Tonight: Showers and thunderstorms likely, mainly before midnight. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 76. West wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. Heavy Rain


Lo 76 °F 		NWS forecast: Showers and thunderstorms likely, mainly before midnight. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 76. West wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday

Friday: Mostly sunny, with a high near 94. Heat index values as high as 97. West wind 6 to 14 mph. Mostly Sunny


Hi 94 °F		 NWS forecast: Mostly sunny, with a high near 94. Heat index values as high as 97. West wind 6 to 14 mph.
 NWS Extended Weather Forecast
Friday

Friday: Mostly sunny, with a high near 94. Heat index values as high as 97. West wind 6 to 14 mph. Mostly Sunny


Hi 94 °F 		Friday
Night
Friday Night: Partly cloudy, with a low around 72. North wind 6 to 9 mph. Partly Cloudy


Lo 72 °F 		Saturday

Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Light and variable wind becoming southwest 5 to 7 mph in the afternoon. Partly Sunny
then Slight
Chance
T-storms

Hi 88 °F 		Saturday
Night
Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 73. South wind 5 to 11 mph becoming east after midnight. Chance
T-storms


Lo 73 °F 		Sunday

Sunday: A chance of showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.Chance
Showers then
Heavy Rain

Hi 83 °F 		Sunday
Night
Sunday Night: A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.Heavy Rain
then Chance
Showers

Lo 72 °F 		Monday

Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.Chance
T-storms


Hi 84 °F 		Monday
Night
Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.Chance
T-storms


Lo 69 °F
Version 4.20 11-Oct-2009 - Script Modification/Additions by: WebsterWeatherLIVE.com

cbs

Convective Outlook

1495285969695

USA Lightning Map


accusat

Today's Time Lapse Video


(click on the PLAY button to Start Time Lapse Video. The video is Updated Hourly)



Time Lapse Video Created using Sebectec IP Timelapse Software


Accu Radar

accurad


Accu Satellite


accusat

USA Map


USA
fronts

USA Water Vapor Map


vapor

USA Temps

GR3 Radar


gr3radar

Rain Totals

vapor

Winds

winds

Jet Stream

jet

snowtoday


Revolver Visitor Map



Smokey

Weather Underground PWS KNYMASSA8

USA Weather Finder

A weather record has been established for this weather station. Click to view.