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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: 01/30/2026 @ 11:40 am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 0.9°F than last hour.

16.2°F

Wind Chill:  4.7°F
---
High Today
16.9°F
12:01 AM 		Low Today
9.1°F
6:35 AM
Yest High
25.7°F
2:49 PM 		Yest Low
7.9°F
2:03 AM
Rec* High
66.0°F
1991 		Rec* Low
9.0°F
2015
* Records from Weather Underground
Clear Clear

Wind from W Wind:  W
1.8
Gusting to:
 9.2 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
19.3 of 100
This
afternoon
Mostly Cloudy
Mostly Cloudy 		Tonight

Partly Cloudy Cold!
Partly Cloudy
Cold! 		Saturday

Partly Cloudy Cold!
Partly Cloudy
Cold!
High: 22°F Low: 5°F High: 28°F

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.1°F since last hour. -1.9°F
Last Hour: Decreased 0.1°F since last hour. 0.1°F
High 12:20 AM: 2.3°F
Low 3:43 AM: -3.3°F
Record High: 82.2°F on
Jul-25-2025
Record Low: -14.8°F on
Jan-24-2026
Wetbulb: 12.9°F
Rain Today
rain graph
Melt Today: 0.00 in
Yesterday: 0.01 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
1 day since last rain
Current: W  1.8 mph
1Hr Average: 1.3 mph
Wind Run: 21.49 miles
Wind Gust
Current: 9.2 mph
Today: 17.3 mph 12:23 AM
Month: 24.2 mph Jan-23
Year: 24.2 mph Jan-23
Record Gust: 38.0 mph
Mar-23-2024
Sunlight:
10 h 3 m 51 s
of Sunlight Yesterday
10 h 5 m 60 s
of Sunlight Today Which is
2 min 9 sec longer than
yesterday
10 h 8 m 10 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waxing Gibbous
Waxing Gibbous, 11 days, 20 hours, 49 minutes in cycle
93%
Illuminated
Humidity Barometer
Current: Decreased 2% since last hour. 44%
Last Hour: Decreased 2% since last hour. 2%
High 5:49 AM: 57%
Low 11:37 AM: 44%
Record High: 99%
Jan-9-2024
Record Low: 6%
May-11-2025
Current: Falling 0.01 inHg/hr 30.130 inHg
Last Hour: Steady
High 10:08 AM: 30.150
Low 12:23 AM: 30.080
Record High: 30.939 inHg
Dec-14-2024
Record Low: 28.981 inHg
Feb-16-2025
Heating Degree Days Snow3 Wind Chill Air
Today: 24.4
Jan: 1023.5
2026 to Date: 1021.8
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: 4.7°F
Low 4:17 AM: -2.2°F
Yesterday: 2.3°F
Record: -4.3°F
Jan-24-2026
Quality
Index6:
33

Good
Density:
1.34 kg/m3
Current UV Index Current Solar Energy9
3.0
Sunburn in
37 Minutes 		Highest:
11:03 AM
3.0
322 W/m2
67%
W/m2 ⇒ SI 		High Today:
11:28 AM
 339  W/m2
Record:
1000 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Morning
YTD Avg Temp: 30.3°F
Sunrise: 7:03 am
Sunset: 5:06 pm
Moonrise: 2:30 pm
Moonset: 5:32 am
Full Moon: Feb-01-2026
New Moon: 12:02 UTC
Feb-17-2026
Updated at Midnight
Current ET: 0.02 in
7-Days Rain: 0.01 in
7-Days ET: 0.11 in
7-Day: 0.104 in water in deficit of what evaporated in last 7 days. 0.104 in
January: No Change 0 in
HIGHS: LOWS:
101.5°F
Jun-24-2025 		5.2°F
Jan-22-2025
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:0 | 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.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.  
 WXSIM Weather Forecast  -   Outlook This afternoon & Tonight
This
afternoon
Mostly Cloudy
Mostly Cloudy
High: 22°F 		WXSIM forecast: Partly to mostly cloudy. Breezy and cold. High 22°. Wind chill around 5. Wind west around 12 mph, gusting to 21 mph.
 Tonight

Partly Cloudy Cold!
Partly Cloudy
Cold!
Low: 5°F 		WXSIM forecast: Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Very cold. Low 5°. Wind chill ranging from -3 to 4. Wind west around 11 mph, gusting to 21 mph, in the evening, becoming 7 mph after midnight.
 WXSIM Short Term Weather Forecast
Saturday

Partly Cloudy Cold!
Partly Cloudy
Cold! 		Saturday
night
Cloudy Cold!
Cloudy
Cold! 		Sunday

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

Mostly Sunny Cold!
Mostly Sunny
Cold! 		Monday
night
Partly Cloudy Cold!
Partly Cloudy
Cold! 		Tuesday

Mostly Sunny Cold!
Mostly Sunny
Cold!
High: 28°F Low: 14°F High: 30°F Low: 14°F High: 37°F Low: 16°F High: 37°F