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Extreme Heat Watch EXTREME HEAT WATCH - 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: 06/28/2026 @ 11:40 pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 1.1°F than last hour.

65.3°F

---
High Today
83.1°F
12:19 PM 		Low Today
65.1°F
11:26 PM
Yest High
83.1°F
10:44 AM 		Yest Low
67.8°F
11:50 PM
Rec* High
66.0°F
1991 		Rec* Low
9.0°F
2015
* Records from Weather Underground
Clear - Mist Clear - Mist

Calm Wind:  SSE
0.0
Gusting to:
 0.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
0.1 of 100
Rest of
tonight
Partly Cloudy
Partly Cloudy 		Monday

Mostly Sunny
Mostly Sunny 		Monday
night
Mostly Clear
Mostly Clear
Low: 61°F High: 87°F Low: 64°F

Click here for full Forecast
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.9°F since last hour. 60.0°F
Last Hour: Decreased 0.9°F since last hour. 0.9°F
High 12:19 PM: 67.8°F
Low 11:01 PM: 59.7°F
Record High: 82.2°F on
Jul-25-2025
Record Low: -14.8°F on
Jan-24-2026
Wetbulb: 62.2°F
Rain Today
rain graph
Today: 0.00 in
Yesterday: 0.05 in
Last 7 Days: 0.49 in
Jun Rain: 1.04 in
Jun Avg: 2.16 in
Diff from Avg: Under 1.12 in for the month 1.12 in
Season:1 12.800 in
Last YTD:1 20.93 in
Last Rain
Time/Date: 		Jun-27-2026
at 9:19 PM
64 rain days in 2026
13 days in June
0 days since last rain
Current: SSE  0.0 mph
1Hr Average: Calm
Wind Run: 8.01 miles
Wind Gust
Current: 0.0 mph
Today: 8.1 mph 1:58 PM
Month: 17.3 mph Jun-6
Year: 25.3 mph Mar-17
Record Gust: 38.0 mph
Mar-23-2024
Sunlight:
15 h 8 m 31 s
of Sunlight Yesterday
15 h 8 m 5 s
of Sunlight Today Which is 26 sec shorter than
yesterday
15 h 7 m 36 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waxing Gibbous
Waxing Gibbous, 14 days, 0 hours, 47 minutes in cycle
99%
Illuminated
Humidity Barometer
Current: Increased 1% since last hour. 83%
Last Hour: Increased 1% since last hour. 1%
High 5:54 AM: 85%
Low 11:08 AM: 57%
Record High: 99%
Jan-9-2024
Record Low: 6%
May-11-2025
Current: No Change 30.010 inHg
Last Hour: Steady
High 10:24 PM: 30.020
Low 3:29 AM: 29.920
Record High: 30.939 inHg
Dec-14-2024
Record Low: 28.981 inHg
Feb-16-2025
Cooling Degree Days Snow3 Heat Index Air
Today: 5.3
Jun: 153.0
2026 to Date: 197.3
Heating Degree Days
2026 to Date: 3518.1
Today: 0.00 in
Yesterday: 0.00 in
Jun Snow: No Change 0.00 in
Jun 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 June
9 snow days this season.2
First Snow of Season:
Dec-14-2025
Average 1st Snow:
19 of Dec
Current: 65.3°F
High 12:19 pm: 86.1°F
Yesterday: 85.4°F
Record: 111.7°F
Jul-25-2025
Quality
Index6:
43

Good
Density:
1.21 kg/m3
UV Summary/Forecast Solar Summary
High Today:   8.0 @ 12:16 PM
Jun-29

8.6 		Jun-30

9.0 		Jul-01

9.2
High Today:  
867 W/m2 @ 12:17 PM
Sun Hours Today:
00:16
   This Month: 41:31 Hrs
Rise: 5:23 am  Set: 8:27 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 46.4°F
Sunrise: 5:23 am
Sunset: 8:27 pm
Moonrise: 8:03 pm
Moonset: 4:34 am
Full Moon: Jun-29-2026
New Moon: 09:44 UTC
Jul-14-2026
Updated at Midnight
Current ET: 0.15 in
7-Days Rain: 0.49 in
7-Days ET: 0.89 in
7-Day: 0.4 in water in deficit of what evaporated in last 7 days. 0.4 in
June: 3.63 in water in deficit of what evaporated this month. 3.63 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:10 | 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 Rest of tonight & Monday
Rest of
tonight
Partly Cloudy
Partly Cloudy
Low: 61°F 		WXSIM forecast: Fair to partly cloudy. Relatively cool. Low 61°. Wind south-southeast near calm.
 Monday

Mostly Sunny
Mostly Sunny
High: 87°F 		WXSIM forecast: Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. Hot. High 87°. UV index up to 9. Wind east around 3 mph in the morning, becoming south-southeast in the afternoon.
 WXSIM Short Term Weather Forecast
Monday
night
Mostly Clear
Mostly Clear 		Tuesday

Mostly Sunny
Mostly Sunny 		Tuesday
night
Mostly Cloudy
Mostly Cloudy 		Wednesday

Mostly Cloudy
Mostly Cloudy 		Wednesday
night
Chance rain
Chance rain 		Thursday

Sunny Hot!
Sunny
Hot! 		Thursday
night
Clear
Clear
Low: 64°F High: 88°F Low: 69°F High: 91°F Low: 71°F High: 95°F Low: 73°F