ST JAMES, NY 11780 Weather Forecast & Current Conditions

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11780 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ISLIP, NY Current Weather
9:56 AM EDT APR 30, 2026
Overcast 50°F
Feels Like:	50°F
Dewpoint:	48°F
Rel. Hum.:	93%
Visibility:	10 miles
Wind:	Variable at 3 mph
Pressure:	29.75 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)

11780 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	ST JAMES, NY 11780 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Cloudy with a chance of showers this morning, then partly sunny this afternoon. Highs around 60. Southeast winds around 5 mph, becoming north around 5 mph this afternoon. Chance of rain 50 percent.

TONIGHT
Partly cloudy. A slight chance of showers in the evening. Lows in the mid 40s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.

FRIDAY
Sunny. Highs in the lower 60s. West winds 5 to 10 mph.

FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A 20 percent chance of showers. Lows in the mid 40s. West winds 5 to 10 mph.

SATURDAY
Mostly cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs in the upper 50s. Northwest winds around 5 mph, becoming south in the afternoon. Chance of rain 40 percent.

SATURDAY NIGHT
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s.

SUNDAY
Partly sunny. A chance of rain in the morning. Highs in the upper 50s. Chance of rain 40 percent.

SUNDAY NIGHT
Mostly clear. Lows in the mid 40s.

MONDAY
Mostly sunny. Highs in the lower 60s.

MONDAY NIGHT
Partly cloudy. Lows in the lower 50s.

TUESDAY
Mostly sunny. Highs in the upper 60s.

TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.

WEDNESDAY
Partly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent.

11780 WEATHER SATELLITE LOOPS

Visible Weather Satellite
ST JAMES, NY 11780

Infrared Weather Satellite
ST JAMES, NY 11780

11780 WEATHER RADAR LOOP

NEXRAD Weather Radar
ST JAMES, NY 11780

MOS COMPUTER WEATHER FORECAST

ISLIP, NY 3 hourly weather forecast

weather forecast created 8:00 PM EDT 4/29/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
30 APR 2026

2 AM

47°

46°

Mostly Cloudy

90%
RAIN
***

0% Thunder
( 8% severe)

SE 3

89%

44°

Low 46°

5 AM

47°

45°

Mostly Cloudy

SE 5

93%

45°

High 60°

8 AM

49°

48°

Mostly Cloudy

38%
RAIN
.5–1 in

0% Thunder
( 2% severe)

ESE 3

89%

46°

Mostly Cloudy

Chance of Rain

11 AM

52°

51°

Mostly Cloudy

ESE 5

80%

46°

2 PM

56°

54°

Mostly Cloudy

8%

0% Thunder
( 6% severe)

NNW 7

69%

46°

5 PM

57°

56°

Partly Cloudy

NW 7

64%

45°

8 PM

53°

51°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 4% severe)

NW 6

77%

46°

11 PM

51°

48°

Partly Cloudy

NW 7

77%

44°

Friday
1 MAY 2026

2 AM

48°

44°

Partly Cloudy

0%

0% Thunder
( 0% severe)

NW 8

74%

40°

Low 44°

5 AM

45°

41°

Partly Cloudy

NW 8

76%

38°

High 62°

8 AM

49°

45°

Clear

1%

0% Thunder
( 0% severe)

NW 9

63%

37°

Partly Cloudy

11 AM

56°

53°

Clear

WNW 10

45%

35°

2 PM

60°

58°

Partly Cloudy

3%

0% Thunder
( 1% severe)

W 12

37%

34°

5 PM

60°

58°

Partly Cloudy

W 12

37%

34°

8 PM

54°

52°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 2% severe)

SW 8

55%

38°

11 PM

51°

50°

Mostly Cloudy

WSW 5

66%

40°


ISLIP, NY extended weather forecast
Saturday 2 MAY 2026	Sunday 3 MAY 2026	Monday 4 MAY 2026	Tuesday 5 MAY 2026	Wednesday 6 MAY 2026
Low 45°	Low 44°	Low 43°	Low 53°	Low 54°
High 57°	High 62°	High 65°	High 67°	High 65°

Overcast 56% Rain	Mostly Cloudy 43% Rain	Partly Cloudy 17% Rain	Mostly Cloudy 32% Rain	Overcast 63% Rain

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