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Air Quality Alert AIR QUALITY ALERT - 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: 05/18/2026 @ 8:50 pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.4°F than last hour.

65.8°F

---
High Today
86.2°F
10:38 AM 		Low Today
57.0°F
5:27 AM
Yest High
87.3°F
12:17 PM 		Yest Low
54.5°F
5:52 AM
Rec* High
66.0°F
1991 		Rec* Low
9.0°F
2015
* Records from Weather Underground
Clear Clear

Calm Wind:  SSE
0.0
Gusting to:
 0.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
1.8 of 100
Tonight

Mostly Clear
Mostly Clear 		Tuesday

Mostly Sunny
Mostly Sunny 		Tuesday
night
Partly Cloudy
Partly Cloudy
Low: 63°F High: 88°F Low: 64°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. 58.0°F
Last Hour: Decreased 0.5°F since last hour. 0.5°F
High 10:04 AM: 67.4°F
Low 5:27 AM: 51.9°F
Record High: 82.2°F on
Jul-25-2025
Record Low: -14.8°F on
Jan-24-2026
Wetbulb: 61.3°F
Rain Today
rain graph
Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.00 in
May Rain: 0.37 in
May Avg: 3.48 in
Diff from Avg: Under 3.11 in for the month 3.11 in
Season:1 9.540 in
Last YTD:1 16.14 in
Last Rain
Time/Date: 		May-7-2026
at 6:43 AM
46 rain days in 2026
3 days in May
10 days since last rain
Current: SSE  0.0 mph
1Hr Average: 0.3 mph
Wind Run: 13.90 miles
Wind Gust
Current: 0.0 mph
Today: 10.4 mph 5:00 PM
Month: 18.4 mph May-5
Year: 25.3 mph Mar-17
Record Gust: 38.0 mph
Mar-23-2024
Sunlight:
14 h 35 m 7 s
of Sunlight Yesterday
14 h 36 m 56 s
of Sunlight Today Which is
1 min 49 sec longer than
yesterday
14 h 38 m 44 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waxing Crescent
Waxing Crescent, 2 days, 4 hours, 52 minutes in cycle
7%
Illuminated
Humidity Barometer
Current: No Change 76%
Last Hour: No Change 0%
High 6:01 AM: 84%
Low 10:44 AM: 50%
Record High: 99%
Jan-9-2024
Record Low: 6%
May-11-2025
Current: Rising 0.004 inHg/hr 30.130 inHg
Last Hour: Rising slowly
High 8:14 AM: 30.190
Low 1:52 AM: 30.090
Record High: 30.939 inHg
Dec-14-2024
Record Low: 28.981 inHg
Feb-16-2025
Cooling Degree Days Snow3 Heat Index Air
Today: 1.8
May: 6.7
2026 to Date: 13.1
Heating Degree Days
2026 to Date: 3452.7
Today: 0.00 in
Yesterday: 0.00 in
May Snow: No Change 0.00 in
May Avg: 0.00 in
Diff from Avg: 0.00 in
Season Total:2 53.60 in
Snow Depth: 4.00 in
0 snow days in May
9 snow days this season.2
First Snow of Season:
Dec-14-2025
Average 1st Snow:
19 of Dec
Current: 65.8°F
High 10:38 am: 88.5°F
Yesterday: 87.0°F
Record: 111.7°F
Jul-25-2025
Quality
Index6:
52

Moderate
Density:
1.21 kg/m3
UV Summary/Forecast Solar Summary
High Today:   7.0 @ 10:14 AM
May-19

8.2 		May-20

7.5 		May-21

8.1
High Today:  
819 W/m2 @ 10:38 AM
Sun Hours Today:
01:14
   This Month: 09:50 Hrs
Rise: 5:30 am  Set: 8:05 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 40.0°F
Sunrise: 5:30 am
Sunset: 8:05 pm
Moonrise: 7:43 am
Moonset: 10:49 pm
Full Moon: May-31-2026
New Moon: 02:55 UTC
Jun-14-2026
Updated at Midnight
Current ET: 0.21 in
7-Days Rain: 0.00 in
7-Days ET: 0.47 in
7-Day: 0.472 in water in deficit of what evaporated in last 7 days. 0.472 in
May: 1.03 in water in deficit of what evaporated this month. 1.03 in
HIGHS: LOWS:
101.5°F
Jun-24-2025 		-2.4°F
Jan-31-2026
Daytime Records
  97.7°F°F
Jun-24-2025 		  11.8°F°F
Feb-07-2026
Nitetime Records
  82.6°F°F
Jun-26-2025 		  6.3°F°F
Feb-08-2026
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 Tonight & Tuesday
Tonight

Mostly Clear
Mostly Clear
Low: 63°F 		WXSIM forecast: Mostly clear in the evening, becoming clear after midnight. Low 63°. Wind south-southwest around 11 mph, gusting to 18 mph.
 Tuesday

Mostly Sunny
Mostly Sunny
High: 88°F 		WXSIM forecast: Sunny in the morning, becoming partly to mostly sunny in the afternoon. Unusually hot. High 88°. UV index up to 8. Wind south-southwest around 9 mph, gusting to 17 mph.
 WXSIM Short Term Weather Forecast
Tuesday
night
Partly Cloudy
Partly Cloudy 		Wednesday

Thunder storm
Thunder storm 		Wednesday
night
Thunder storm
Thunder storm 		Thursday

Mostly Cloudy
Mostly Cloudy 		Thursday
night
Partly Cloudy
Partly Cloudy 		Friday

Mostly Cloudy
Mostly Cloudy 		Friday
night
Mostly Cloudy
Mostly Cloudy
Low: 64°F High: 86°F Low: 54°F High: 72°F Low: 51°F High: 70°F Low: 52°F