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ISP - Islip, Long Island MacArthur Airport Current Conditions
Current Weather Forecast
21-May-2026
Rain. Much cooler. Near steady temperature around 60. Northeast winds 5 to 10 mph. Gusts up to 20 mph early. Chance of rain 90 percent.
Mostly cloudy. A chance of rain in the evening. Lows in the lower 50s. East winds 5 to 10 mph. Chance of rain 30 percent.
21-May-2026
Mostly cloudy. A chance of rain in the evening. Lows in the lower 50s. East winds 5 to 10 mph. Chance of rain 30 percent.
Partly sunny. Highs in the mid 60s. East winds 10 to 15 mph with gusts up to 25 mph.
21-May-2026
Partly sunny. Highs in the mid 60s. East winds 10 to 15 mph with gusts up to 25 mph.
Mostly cloudy. A slight chance of showers after midnight. Lows around 50. East winds 5 to 10 mph. Gusts up to 20 mph after midnight. Chance of rain 20 percent.
21-May-2026
Mostly cloudy. A slight chance of showers after midnight. Lows around 50. East winds 5 to 10 mph. Gusts up to 20 mph after midnight. Chance of rain 20 percent.
Cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 60s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
21-May-2026
Cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 60s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
Showers, breezy with lows in the lower 50s. Chance of rain near 100 percent.
21-May-2026
Showers, breezy with lows in the lower 50s. Chance of rain near 100 percent.
Showers, breezy with highs in the mid 60s. Chance of rain near 100 percent.
21-May-2026
Showers, breezy with highs in the mid 60s. Chance of rain near 100 percent.
Cloudy with a 50 percent chance of showers. Lows in the mid 50s.
21-May-2026
Cloudy with a 50 percent chance of showers. Lows in the mid 50s.
Cloudy with a 50 percent chance of showers. Highs in the lower 70s.
21-May-2026
Cloudy with a 50 percent chance of showers. Highs in the lower 70s.
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s.
21-May-2026
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s.
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.
21-May-2026
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.
Mostly cloudy. Lows in the upper 50s.
21-May-2026
Mostly cloudy. Lows in the upper 50s.
Mostly sunny. Highs in the upper 70s.
21-May-2026
Mostly sunny. Highs in the upper 70s.
Partly cloudy. Lows in the upper 50s.
21-May-2026
Partly cloudy. Lows in the upper 50s.
Mostly sunny. Highs in the mid 70s.