Freeze Warning FREEZE WARNING - NW Suffolk  - SW Suffolk  - NE Suffolk  - SE Suffolk  - Suffolk

Regional Radar Regional IR Satellite
Radar/Satellite images courtesy of Weather Underground.
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METRIC | IMPERIAL
Updated: 04/21/2026 @ 1:50 am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 2.4°F than last hour.

36.3°F

Wind Chill:  36.3°F
---
High Today
39.9°F
12:01 AM
Low Today
36.3°F
1:44 AM
Yest High
55.6°F
1:54 PM
Yest Low
27.1°F
5:18 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 Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
18.3 of 100
Rest of
tonight
Clear
Clear
Tuesday

Mostly Sunny
Mostly Sunny
Tuesday
night
Chance rain
Chance rain
Low: 31°F High: 54°F Low: 40°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. 18.0°F
Last Hour: Decreased 0.1°F since last hour. 0.1°F
High 12:01 AM: 19.7°F
Low 12:57 AM: 17.3°F
Record High: 82.2°F on
Jul-25-2025
Record Low: -14.8°F on
Jan-24-2026
Wetbulb: 30.5°F
Rain Today
rain graph

Melt Today: 0.00 in
Yesterday: 0.11 in
Last 7 Days: 0.19 in
Apr Rain: 0.60 in
Apr Avg: 3.32 in
Diff from Avg: Under 2.72 in for the month 2.72 in
Season:1 7.130 in
Last YTD:1 11.41 in
Last Rain
Time/Date:
Apr-20-2026
at 11:35 AM
38 rain days in 2026
7 days in April
0 days since last rain
Current: SSE  0.0 mph
1Hr Average: 0.4 mph
Wind Run: 1.02 miles
Wind Gust
Current: 0.0 mph
Today: 4.6 mph 12:29 AM
Month: 19.6 mph Apr-4
Year: 25.3 mph Mar-17
Record Gust: 38.0 mph
Mar-23-2024
Sunlight:
13 h 34 m 31 s
of Sunlight Yesterday
13 h 37 m 3 s
of Sunlight Today
Which is
2 min 32 sec longer than
yesterday
13 h 39 m 33 s
of Sunlight Tomorrow
(Noon) graph (Midnight)
Legend

Waxing Crescent
Waxing Crescent, 3 days, 18 hours, 2 minutes in cycle
19%
Illuminated
Humidity Barometer
Current: Increased 4% since last hour. 47%
Last Hour: Increased 4% since last hour. 4%
High 1:41 AM: 47%
Low 12:32 AM: 42%
Record High: 99%
Jan-9-2024
Record Low: 6%
May-11-2025
Current: No Change 30.320 inHg
Last Hour: Steady
High 1:16 AM: 30.330
Low 12:01 AM: 30.310
Record High: 30.939 inHg
Dec-14-2024
Record Low: 28.981 inHg
Feb-16-2025
Heating Degree Days Snow3 Wind Chill Air
Today: 1.6
Apr: 284.2
2026 to Date: 3107.6
Cooling Degree Days
2026 to Date: 6.3
Today: 0.00 in
Yesterday: 0.00 in
Apr Snow: Under 0.315 in for the month 0.00 in
Apr Avg: 0.31 in
Diff from Avg: -0.31 in
Season Total:2 53.60 in
Snow Depth: 4.00 in
0 snow days in April
9 snow days this season.2
First Snow of Season:
Dec-14-2025
Average 1st Snow:
19 of Dec
Current: 36.3°F
Low 1:16 AM: 34.7°F
Yesterday: 27.1°F
Record: -12.6°F
Feb-8-2026
Quality
Index6:

38


Good
Density:
1.30 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   8.0 @ 12:00 PM
Apr-21

5.5
Apr-22

5.9
Apr-23

6.0
High Yest:   834.2 @ 1:02 PM
Sun Hours Today:
00:00
   This Month: 06:48 Hrs
Rise: 6:03 am  Set: 7:37 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Night
YTD Avg Temp: 36.8°F
Sunrise: 6:03 am
Sunset: 7:37 pm
Moonrise: 8:51 am
Moonset: 12:02 am
Full Moon: May-01-2026
New Moon: 20:02 UTC
May-16-2026
Updated at Midnight
Current ET: 0.02 in
7-Days Rain: 0.19 in
7-Days ET: 0.68 in
7-Day:  0.491 in water in deficit of what evaporated in last 7 days. 0.491 in
April:  1.04 in water in deficit of what evaporated this month. 1.04 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 Rest of tonight & Tuesday
Rest of
tonight
Clear
Clear
Low: 31°F
WXSIM forecast: Clear. Cold. Low 31°. Wind chill as low as 29. Wind north-northwest around 8 mph, gusting to 16 mph.
Tuesday

Mostly Sunny
Mostly Sunny
High: 54°F
WXSIM forecast: Sunny in the morning, becoming partly to mostly sunny in the afternoon. High 54°. UV index up to 5. Wind north around 5 mph in the morning, becoming south-southeast in the afternoon.
 WXSIM Short Term Weather Forecast
Tuesday
night
Chance rain
Chance rain
Wednesday

Chance rain
Chance rain
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Mostly Cloudy
Mostly Cloudy
Friday

Mostly Sunny
Mostly Sunny
Friday
night
Partly Cloudy
Partly Cloudy
Low: 40°F High: 58°F Low: 43°F High: 68°F Low: 42°F High: 62°F Low: 41°F