Hourly Weather Forecast - Islip, NY

12 AM
39°F
50%
1mph
SSW
50% Chance of Light Rain
Humidity
100%
Feels like
39°F
Dew Point
39°F
1 AM
39°F
40%
1mph
S
40% Chance of Light Rain
Humidity
99%
Feels like
39°F
Dew Point
39°F
2 AM
39°F
40%
1mph
SSE
40% Chance of Light Rain
Humidity
99%
Feels like
39°F
Dew Point
39°F
3 AM
39°F
30%
1mph
SSE
30% Chance of Light Rain
Humidity
99%
Feels like
39°F
Dew Point
39°F
4 AM
40°F
40%
2mph
SSE
40% Chance of Light Rain
Humidity
98%
Feels like
40°F
Dew Point
39°F
5 AM
40°F
40%
2mph
SSE
40% Chance of Light Rain
Humidity
98%
Feels like
40°F
Dew Point
40°F
6 AM
41°F
50%
2mph
SSE
50% Chance of Light Rain
Humidity
96%
Feels like
41°F
Dew Point
40°F
7 AM
42°F
50%
2mph
SSE
50% Chance of Light Rain
Humidity
94%
Feels like
42°F
Dew Point
40°F
7:15 AM
8 AM
43°F
60%
3mph
S
60% Chance of Light Rain
Humidity
91%
Feels like
43°F
Dew Point
40°F
9 AM
44°F
60%
4mph
SSW
60% Chance of Light Rain
Humidity
90%
Feels like
42°F
Dew Point
41°F
10 AM
45°F
60%
4mph
SW
60% Chance of Light Rain
Humidity
89%
Feels like
43°F
Dew Point
41°F
11 AM
46°F
60%
4mph
SW
60% Chance of Light Rain
Humidity
90%
Feels like
43°F
Dew Point
43°F
12 PM
46°F
60%
5mph
WSW
60% Chance of Light Rain
Humidity
91%
Feels like
44°F
Dew Point
43°F
1 PM
46°F
50%
5mph
W
50% Chance of Light Rain
Humidity
92%
Feels like
44°F
Dew Point
44°F
2 PM
46°F
50%
5mph
W
50% Chance of Light Rain
Humidity
94%
Feels like
43°F
Dew Point
44°F
3 PM
45°F
40%
5mph
WNW
40% Chance of Light Rain
Humidity
96%
Feels like
43°F
Dew Point
44°F
4 PM
44°F
40%
5mph
NW
40% Chance of Light Rain
Humidity
97%
Feels like
41°F
Dew Point
43°F
4:31 PM
5 PM
43°F
40%
5mph
NW
40% Chance of Light Rain
Humidity
97%
Feels like
40°F
Dew Point
42°F
6 PM
44°F
30%
6mph
NW
30% Chance of Light Rain
Humidity
90%
Feels like
40°F
Dew Point
41°F
7 PM
44°F
30%
6mph
NW
30% Chance of Light Rain
Humidity
85%
Feels like
40°F
Dew Point
40°F
8 PM
43°F
20%
6mph
NW
Mostly Cloudy
Humidity
81%
Feels like
40°F
Dew Point
38°F
9 PM
41°F
20%
6mph
NNW
Cloudy
Humidity
83%
Feels like
37°F
Dew Point
36°F
10 PM
39°F
20%
6mph
NNW
Cloudy
Humidity
84%
Feels like
35°F
Dew Point
35°F
11 PM
37°F
30%
6mph
NNW
30% Chance of Flurries
Humidity
84%
Feels like
33°F
Dew Point
33°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

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