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Cold Weather Advisory COLD WEATHER ADVISORY - 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: 01/31/2026 @ 5:35 am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.9°F than last hour.

-1.7°F

Wind Chill:  -1.7°F
---
High Today
5.7°F
12:02 AM 		Low Today
-2.4°F
5:13 AM
Yest High
20.5°F
3:43 PM 		Yest Low
5.5°F
11:59 PM
Rec* High
66.0°F
1991 		Rec* Low
9.0°F
2015
* Records from Weather Underground
Clear Clear

Calm Wind:  SW
0.0
Gusting to:
 0.0 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-1.7 of 100
Today

Mostly Cloudy Cold!
Mostly Cloudy
Cold! 		Tonight

Snow Cold!
Snow
Cold! 		Sunday

Mostly Cloudy Cold!
Mostly Cloudy
Cold!
High: 26°F Low: 15°F High: 32°F

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.6°F since last hour. -7.4°F
Last Hour: Decreased 0.6°F since last hour. 0.6°F
High 12:02 AM: -3.2°F
Low 5:13 AM: -8.4°F
Record High: 82.2°F on
Jul-25-2025
Record Low: -14.8°F on
Jan-24-2026
Wetbulb: -2.4°F
Rain Today
rain graph
Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.01 in
Jan Rain: 0.46 in
Jan Avg: 3.07 in
Diff from Avg: Under 2.61 in for the month 2.61 in
Season:1 0.460 in
Last YTD:1 0.38 in
Last Rain
Time/Date: 		Jan-29-2026
at 12:37 PM
5 rain days in 2026
5 days in January
2 days since last rain
Current: SW  0.0 mph
1Hr Average: Calm
Wind Run: 0.06 miles
Wind Gust
Current: 0.0 mph
Today: 1.2 mph 12:05 AM
Month: 24.2 mph Jan-23
Year: 24.2 mph Jan-23
Record Gust: 38.0 mph
Mar-23-2024
Sunlight:
10 h 5 m 60 s
of Sunlight Yesterday
10 h 8 m 10 s
of Sunlight Today Which is
2 min 10 sec longer than
yesterday
10 h 10 m 22 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waxing Gibbous
Waxing Gibbous, 12 days, 14 hours, 46 minutes in cycle
97%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 76%
Last Hour: Increased 1% since last hour. 1%
High 4:30 AM: 76%
Low 12:05 AM: 65%
Record High: 99%
Jan-9-2024
Record Low: 6%
May-11-2025
Current: No Change 30.150 inHg
Last Hour: Steady
High 12:02 AM: 30.160
Low 1:19 AM: 30.140
Record High: 30.939 inHg
Dec-14-2024
Record Low: 28.981 inHg
Feb-16-2025
Heating Degree Days Snow3 Wind Chill Air
Today: 14.1
Jan: 1063.8
2026 to Date: 1062.0
Cooling Degree Days
2026 to Date: 0.0
Today: 0.00 in
Yesterday: 0.00 in
Jan Snow: Over 1.658 in for the month 12.80 in
Jan Avg: 11.14 in
Diff from Avg: 1.66 in
Season Total:2 25.00 in
Snow Depth: 11.00 in
4 snow days in January
7 snow days this season.2
First Snow of Season:
Dec-14-2025
Average 1st Snow:
19 of Dec
Current: -1.7°F
Low 5:13 AM: -2.4°F
Yesterday: -2.2°F
Record: -4.3°F
Jan-24-2026
Quality
Index6:
43

Good
Density:
1.40 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   3.0 @ 11:03 AM
Jan-31

1.4 		Feb-01

1.4 		Feb-02

1.4
High Yest:   354.8 @ 12:02 PM
Sun Hours Today:
00:00
   This Month: 03:21 Hrs
Rise: 7:02 am  Set: 5:08 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 29.8°F
Sunrise: 7:02 am
Sunset: 5:08 pm
Moonrise: 3:48 pm
Moonset: 6:23 am
Full Moon: Feb-01-2026
New Moon: 12:02 UTC
Feb-17-2026
Updated at Midnight
Current ET: 0.00 in
7-Days Rain: 0.01 in
7-Days ET: 0.10 in
7-Day: 0.092 in water in deficit of what evaporated in last 7 days. 0.092 in
January: 0.02 in water in deficit of what evaporated this month. 0.02 in
HIGHS: LOWS:
101.5°F
Jun-24-2025 		-2.4°F
Jan-31-2026
Daytime Records
  97.7°F°F
Jun-24-2025 		  14.2°F°F
Jan-24-2026
Nitetime Records
  82.6°F°F
Jun-26-2025 		  8.1°F°F
Jan-23-2025
ICN:1 | 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 Today & Tonight
Today

Mostly Cloudy Cold!
Mostly Cloudy
Cold!
High: 26°F 		WXSIM forecast: Partly to mostly cloudy. Cold. High 26°. Wind chill ranging from -6 to 17. Wind north around 5 mph.
 Tonight

Snow Cold!
Snow
Cold!
Low: 15°F 		WXSIM forecast: Mostly cloudy. A slight chance of snow. Breezy and cold. Low 15°. Wind chill ranging from 2 to 12. Wind north around 10 mph, gusting to 20 mph, in the evening, becoming 15 mph, gusting to 23 mph, after midnight. Chance of precipitation 20 percent. Precipitation (liquid equivalent) mostly less than a tenth of an inch. Snow accumulation about a quarter inch.
 WXSIM Short Term Weather Forecast
Sunday

Mostly Cloudy Cold!
Mostly Cloudy
Cold! 		Sunday
night
Partly Cloudy Cold!
Partly Cloudy
Cold! 		Monday

Mostly Sunny Cold!
Mostly Sunny
Cold! 		Monday
night
Clear
Clear 		Tuesday

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

Partly Cloudy Cold!
Partly Cloudy
Cold!
High: 32°F Low: 13°F High: 37°F Low: 15°F High: 39°F Low: 23°F High: 36°F