HOLTSVILLE, NY 11742 Weather Forecast & Current Conditions

Local Weather
- Local weather by ZIP or City
- Local area snow depth
- CURRENT WEATHER MAPS
- - Fronts & Pressure Centers
- - Current U.S. Temperatures
- - Northwest U.S.
- - Northeast U.S.
- - Mid-Atlantic U.S.
- - Midwest U.S.
- - Central Plains U.S.
- - Southeast U.S.
- - Southern Plains U.S.
- - Southwest U.S.
- - Alaska
10 Day Forecasts
Other Forecasts
- Snowstorm Forecast
- U.S. 6-hourly Snowfall Forecast
- 3 DAY NAM MODEL FORECASTS
- - Clouds & Precipitation
- - Temperature
- 7 DAY NWS FORECASTS
- - Weather Type
- - Precip. Probability
- - High Temperatures
- - Low Temperatures
- - Cloud Cover
- - Wind
- - Relative Humidity
- - Dewpoint
- - Snowfall
- SEASONAL FORECASTS
- - Temperature
- - Precipitation
Severe Weather
Radar
- U.S. RADAR (NWS interactive)
- U.S. RADAR (by state)
Satellite

11742 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ISLIP, NY Current Weather
11:56 PM EDT MAR 31, 2026
Broken Clouds 54°F
Feels Like:	50°F
Dewpoint:	48°F
Rel. Hum.:	80%
Visibility:	10 miles
Wind:	SW at 14 mph
Pressure:	29.92 inches
Last 72 hours
Local Area Snow Depth
New York Current Weather
New York MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

11742 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	HOLTSVILLE, NY 11742 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy late this evening, then becoming partly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent.

WEDNESDAY
Partly sunny. A chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

WEDNESDAY NIGHT
Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the lower 40s. Northeast winds 5 to 10 mph, increasing to east 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 80 percent.

THURSDAY
Cloudy. A chance of light rain, mainly in the morning. Patchy fog. Much cooler with highs in the mid 40s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

THURSDAY NIGHT
Cloudy with a 20 percent chance of light rain. Patchy fog in the evening. Areas of fog after midnight. Lows around 40. East winds 10 to 15 mph with gusts up to 25 mph.

FRIDAY
Areas of fog in the morning. Mostly cloudy. Highs in the upper 50s.

FRIDAY NIGHT
Mostly cloudy. Lows in the upper 40s.

SATURDAY
Mostly sunny. Highs in the lower 60s.

SATURDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent.

SUNDAY
Showers likely. Highs in the upper 50s. Chance of rain 60 percent.

SUNDAY NIGHT
Mostly cloudy. Showers likely, mainly in the evening. Lows around 40. Chance of rain 60 percent.

MONDAY
Partly sunny. A chance of showers in the morning. Highs in the lower 50s. Chance of rain 30 percent.

MONDAY NIGHT
Mostly clear. Lows in the upper 30s.

11742 WEATHER SATELLITE LOOPS

Visible Weather Satellite
HOLTSVILLE, NY 11742

Infrared Weather Satellite
HOLTSVILLE, NY 11742

11742 WEATHER RADAR LOOP

NEXRAD Weather Radar
HOLTSVILLE, NY 11742

MOS COMPUTER WEATHER FORECAST

ISLIP, NY 3 hourly weather forecast

weather forecast created 7:00 PM EST 3/31/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
1 APR 2026

1 AM

54°

50°

Mostly Cloudy

26%
RAIN
<.01 in

0% Thunder
( 11% severe)

SSW 16

80%

48°

Low 53°

4 AM

54°

50°

Mostly Cloudy

SW 15

83%

49°

High 68°

7 AM

56°

53°

Mostly Cloudy

36%
RAIN
.1–.25 in

0% Thunder
( 6% severe)

SW 13

83%

51°

Mostly Cloudy

Rain Likely

10 AM

65°

65°

Mostly Cloudy

WSW 13

65%

53°

1 PM

67°

67°

Mostly Cloudy

68%
RAIN
***

0% Thunder
( 21% severe)

SW 12

59%

52°

4 PM

63°

63°

Mostly Cloudy

NNW 8

70%

53°

7 PM

58°

58°

Mostly Cloudy

80%
RAIN
***

0% Thunder
( 10% severe)

NNE 3

75%

50°

10 PM

53°

51°

Overcast

ENE 7

80%

47°

Thursday
2 APR 2026

1 AM

49°

44°

Mostly Cloudy

48%
RAIN
.25–.5 in

0% Thunder
( 3% severe)

ENE 12

80%

43°

Low 41°

4 AM

45°

38°

Mostly Cloudy

ENE 15

82%

40°

High 45°

7 AM

43°

36°

Overcast

24%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

ENE 15

86%

39°

Mostly Cloudy

Chance of Rain

Breezy

10 AM

44°

36°

Mostly Cloudy

ENE 17

73%

36°

1 PM

44°

36°

Mostly Cloudy

4%

0% Thunder
( 3% severe)

ENE 17

70%

35°

4 PM

43°

36°

Mostly Cloudy

ENE 15

76%

36°

7 PM

42°

36°

Mostly Cloudy

6%

0% Thunder
( 3% severe)

ENE 12

79%

36°

10 PM

41°

35°

Overcast

E 9

86%

37°


ISLIP, NY extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 44°	Low 43°	Low 52°	Low 46°	Low 44°
High 50°	High 56°	High 67°	High 63°	High 54°

Overcast 84% Rain	Overcast 36% Rain	Partly Cloudy 62% Rain	Overcast 82% Rain	Partly Cloudy 46% Rain

SELECT BOX EXAMPLES:

for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:

Holtsville, NY
Holtsville, NY snow
Holtsville, NY radar
NY map

-or-
-or-
-or-

11742
11742 snow
11742 radar

-or-
-or-

NY
NY snow

Copyright © 2024 WeatherStreet.com

Put our free WeatherStreet weather lookup on your web page.

Terms & Conditions
This is not clickable - please e-mail us separately

This is not clickable - please e-mail us separately