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 Details for NW Suffolk Winter Weather Advisory  +1 additional alert
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 SE Suffolk
 Details for SE Suffolk Winter Weather Advisory  +1 additional alert
 Suffolk
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Winter Weather Advisory WINTER WEATHER ADVISORY - NW Suffolk  - SW Suffolk  - NE Suffolk  - SE Suffolk  - Suffolk  - Nassau
Special Weather Statement SPECIAL WEATHER STATEMENT - NW Suffolk  - SW Suffolk  - NE Suffolk  - SE Suffolk  - Suffolk  - Nassau

Regional Radar Regional IR Satellite
Radar/Satellite images courtesy of Weather Underground.
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METRIC | IMPERIAL
Updated: 01/17/2026 @ 6:30 pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.5°F than last hour.

34.2°F

Wind Chill:  33.0°F
---
High Today
46.0°F
11:09 AM 		Low Today
28.6°F
2:38 AM
Yest High
34.0°F
3:33 PM 		Yest Low
21.0°F
6:00 AM
Rec* High
66.0°F
1991 		Rec* Low
9.0°F
2015
* Records from Weather Underground
Overcast Overcast

Wind from SSW Wind:  SSW
0.7
Gusting to:
 2.2 mph
Current Rain Rain:
0.11 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-0.5 of 100
Tonight

Mostly Cloudy
Mostly Cloudy 		Sunday

Mix
Mix 		Sunday
night
Snow
Snow
Low: 32°F High: 39°F Low: 23°F

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.5°F since last hour. 28.4°F
Last Hour: Decreased 0.5°F since last hour. 0.5°F
High 2:26 PM: 30.2°F
Low 12:41 AM: 17.6°F
Record High: 82.2°F on
Jul-25-2025
Record Low: -13.0°F on
Jan-22-2025
Wetbulb: 32.2°F
Rain Today
rain graph
Today: 0.11 in
Yesterday: 0.00 in
Last 7 Days: 0.00 in
Jan Rain: 0.11 in
Jan Avg: 3.07 in
Diff from Avg: Under 2.96 in for the month 2.96 in
Season:1 0.110 in
Last YTD:1 0.00 in
Last Rain
Time/Date: 		Jan-17-2026
at 3:25 PM
0 rain days in 2026
1 day in January
0 days since last rain
Current: SSW  0.7 mph
1Hr Average: 0.4 mph
Wind Run: 17.08 miles
Wind Gust
Current: 2.2 mph
Today: 12.7 mph 1:56 PM
Month: 19.6 mph Jan-12
Year: 19.6 mph Jan-12
Record Gust: 38.0 mph
Mar-23-2024
Sunlight:
9 h 39 m 29 s
of Sunlight Yesterday
9 h 41 m 6 s
of Sunlight Today Which is
1 min 37 sec longer than
yesterday
9 h 42 m 46 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waning Crescent
Waning Crescent, 28 days, 21 hours, 48 minutes in cycle
1%
Illuminated
Humidity Barometer
Current: No Change 79%
Last Hour: No Change 0%
High 3:56 PM: 79%
Low 11:25 AM: 40%
Record High: 99%
Jan-9-2024
Record Low: 6%
May-11-2025
Current: Rising 0.02 inHg/hr 30.130 inHg
Last Hour: Steady
High 2:11 AM: 30.160
Low 11:46 AM: 30.060
Record High: 30.939 inHg
Dec-14-2024
Record Low: 28.981 inHg
Feb-16-2025
Heating Degree Days Snow3 Wind Chill Air
Today: 21.7
Jan: 505.2
2026 to Date: 504.2
Cooling Degree Days
2026 to Date: 0.0
Today: 0.00 in
Yesterday: 0.00 in
Jan Snow: Under 8.436 in for the month 1.80 in
Jan Avg: 10.24 in
Diff from Avg: -8.44 in
Season Total:2 14.00 in
Snow Depth: 2.00 in
2 snow days in January
5 snow days this season.2
First Snow of Season:
Dec-14-2025
Average 1st Snow:
19 of Dec
Current: 33.0°F
Low 2:38 AM: 28.6°F
Yesterday: 8.8°F
Record: 1.9°F
Jan-21-2025
Quality
Index6:
60

Moderate
Density:
1.29 kg/m3
UV Summary/Forecast Solar Summary
High Today:   2.0 @ 11:00 AM
Jan-18

1.5 		Jan-19

1.3 		Jan-20

1.4
High Today:  
222 W/m2 @ 11:03 AM
Sun Hours Today:
00:00
   This Month: 01:54 Hrs
Rise: 7:12 am  Set: 4:51 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 34.9°F
Sunrise: 7:12 am
Sunset: 4:51 pm
Moonrise: 6:42 am
Moonset: 3:31 pm
Full Moon: Jan-03-2026
New Moon: 19:53 UTC
Jan-18-2026
Updated at Midnight
Current ET: 0.02 in
7-Days Rain: 0.00 in
7-Days ET: 0.13 in
7-Day: 0.126 in water in deficit of what evaporated in last 7 days. 0.126 in
January: 0.13 in water in deficit of what evaporated this month. 0.13 in
HIGHS: LOWS:
101.5°F
Jun-24-2025 		5.2°F
Jan-22-2025
Daytime Records
  97.7°F°F
Jun-24-2025 		  16.7°F°F
Jan-22-2025
Nitetime Records
  82.6°F°F
Jun-26-2025 		  8.1°F°F
Jan-23-2025
ICN:13 | S3C2:6 | Ajax 3.xx
ISS:Ok |
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Updated at 7:00 AM Daily..   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Source: New York State Department of Environmental Conservation.  
 WXSIM Weather Forecast  -   Outlook Tonight & Sunday
Tonight

Mostly Cloudy
Mostly Cloudy
Low: 32°F 		WXSIM forecast: Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 32°. Wind west-southwest around 6 mph in the evening, becoming 2 mph after midnight.
 Sunday

Mix
Mix
High: 39°F 		WXSIM forecast: Dense overcast. A chance of a mix of rain and snow in the morning, then a mix of snow and rain likely in the afternoon. High 39°, but temperatures falling in the afternoon. Wind southwest around 2 mph in the morning, becoming north in the afternoon. Chance of precipitation 70 percent. Precipitation (liquid equivalent) mostly between a quarter and half an inch. Snow accumulation about half an inch.
 WXSIM Short Term Weather Forecast
Sunday
night
Snow
Snow 		Monday

Partly Cloudy Cold!
Partly Cloudy
Cold! 		Monday
night
Partly Cloudy Cold!
Partly Cloudy
Cold! 		Tuesday

Mostly Cloudy Cold!
Mostly Cloudy
Cold! 		Tuesday
night
Partly Cloudy Cold!
Partly Cloudy
Cold! 		Wednesday

Mostly Cloudy Cold!
Mostly Cloudy
Cold! 		Wednesday
night
Mostly Cloudy
Mostly Cloudy
Low: 23°F High: 37°F Low: 18°F High: 27°F Low: 14°F High: 37°F Low: 31°F