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ISP - Islip, Long Island MacArthur Airport Current Conditions

100 Arrivals Avenue, Islip NY, US 11779
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At this airport, it is currently
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Current Delay Status
Current Weather Conditions
veryCloudy
Few clouds
56°F(13°C)
Wind
10 kts
SW
Visibility
10 miles

Current Weather Forecast

01-Apr-2026

Airport weather
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.

Airport weather
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.

01-Apr-2026

Airport weather
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.

Airport weather
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.

01-Apr-2026

Airport weather
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.

Airport weather
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.

01-Apr-2026

Airport weather
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.

Airport weather
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.

01-Apr-2026

Airport weather
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.

Airport weather
Friday

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

01-Apr-2026

Airport weather
Friday

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

Airport weather
Friday Night

Mostly cloudy. Lows in the upper 40s.

01-Apr-2026

Airport weather
Friday Night

Mostly cloudy. Lows in the upper 40s.

Airport weather
Saturday

Mostly sunny. Highs in the lower 60s.

01-Apr-2026

Airport weather
Saturday

Mostly sunny. Highs in the lower 60s.

Airport weather
Saturday Night

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

01-Apr-2026

Airport weather
Saturday Night

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

Airport weather
Sunday

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

01-Apr-2026

Airport weather
Sunday

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

Airport weather
Sunday Night

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

01-Apr-2026

Airport weather
Sunday Night

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

Airport weather
Monday

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

01-Apr-2026

Airport weather
Monday

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

Airport weather
Monday Night

Mostly clear. Lows in the upper 30s.

01-Apr-2026

Airport weather
Monday Night

Mostly clear. Lows in the upper 30s.

Airport weather
Tuesday

Mostly sunny. Highs in the upper 40s.