Hourly Weather Forecast - Islip, NY

2 AM
42°F
0%
9mph
SW
Mostly Cloudy
Humidity
83%
Feels like
36°F
Dew Point
37°F
3 AM
42°F
0%
9mph
SW
Mostly Cloudy
Humidity
83%
Feels like
36°F
Dew Point
37°F
4 AM
41°F
0%
9mph
SW
Cloudy
Humidity
83%
Feels like
36°F
Dew Point
37°F
5 AM
41°F
0%
8mph
SW
Partly Cloudy
Humidity
82%
Feels like
36°F
Dew Point
36°F
6 AM
41°F
0%
7mph
WSW
Partly Cloudy
Humidity
82%
Feels like
36°F
Dew Point
36°F
7 AM
41°F
0%
6mph
WSW
Mostly Clear
Humidity
80%
Feels like
37°F
Dew Point
35°F
7:13 AM
8 AM
42°F
0%
6mph
WSW
Sunny
Humidity
76%
Feels like
38°F
Dew Point
35°F
9 AM
43°F
0%
6mph
W
Sunny
Humidity
72%
Feels like
39°F
Dew Point
34°F
10 AM
43°F
0%
7mph
W
Mostly Sunny
Humidity
68%
Feels like
39°F
Dew Point
33°F
11 AM
44°F
0%
8mph
W
Sunny
Humidity
64%
Feels like
39°F
Dew Point
32°F
12 PM
44°F
0%
9mph
WNW
Sunny
Humidity
61%
Feels like
39°F
Dew Point
31°F
1 PM
43°F
0%
9mph
WNW
Mostly Sunny
Humidity
59%
Feels like
37°F
Dew Point
29°F
2 PM
41°F
0%
10mph
NW
Mostly Sunny
Humidity
57%
Feels like
35°F
Dew Point
27°F
3 PM
40°F
0%
11mph
NW
Mostly Sunny
Humidity
56%
Feels like
33°F
Dew Point
25°F
4 PM
37°F
0%
11mph
NW
Mostly Sunny
Humidity
55%
Feels like
30°F
Dew Point
23°F
4:28 PM
5 PM
35°F
0%
10mph
NW
Mostly Clear
Humidity
55%
Feels like
28°F
Dew Point
20°F
6 PM
33°F
0%
9mph
NW
Clear
Humidity
54%
Feels like
26°F
Dew Point
19°F
7 PM
32°F
0%
9mph
NW
Clear
Humidity
53%
Feels like
24°F
Dew Point
17°F
8 PM
31°F
0%
8mph
NW
Clear
Humidity
52%
Feels like
24°F
Dew Point
16°F
9 PM
30°F
0%
8mph
NW
Clear
Humidity
53%
Feels like
23°F
Dew Point
15°F
10 PM
30°F
0%
7mph
NW
Clear
Humidity
54%
Feels like
23°F
Dew Point
15°F
11 PM
29°F
0%
7mph
NW
Clear
Humidity
55%
Feels like
22°F
Dew Point
15°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide