Areas of Excessive Rainfall and Dangerous Heat
Heavy to severe thunderstorms may bring areas of excessive rainfall and flooding over parts of the southern Plains through Friday. Hot to dangerously hot temperatures are forecast again across portions of the Pacific Northwest and southern Great Basin Tuesday. Read More >
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog/Mist
64°F
18°C
| Humidity | 93% |
| Wind Speed | E 5 mph |
| Barometer | 29.88 in (1011.8 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 2.00 mi |
| Last update | 9 Jun 11:56 pm EDT |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
Overnight
Low: 61 °F
Chance
Showers and
Areas FogTuesday
High: 75 °F
Showers and
Patchy FogTuesday Night
Low: 61 °F
Slight Chance
Showers then
Partly CloudyWednesday
High: 81 °F
Sunny
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 63 °F
Mostly Cloudy
Friday
High: 76 °F
Partly Sunny
Friday Night
Low: 60 °F
Chance
Showers
Detailed Forecast
Overnight
A slight chance of drizzle between 2am and 5am, then a chance of showers with a slight chance of drizzle after 5am. Areas of fog. Otherwise, cloudy, with a low around 61. Light east wind. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then a chance of showers after 2pm. Patchy fog before 11am. High near 75. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 61. Southwest wind around 6 mph.
Wednesday
Sunny, with a high near 81. Light west wind becoming southwest 6 to 11 mph in the morning.
Wednesday Night
Mostly clear, with a low around 66. Southwest wind around 7 mph.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 63.
Friday
Partly sunny, with a high near 76.
Friday Night
A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 60.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 58.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 72.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Monday
Mostly cloudy, with a high near 73.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
40.78°N 73.09°W (Elev. 49 ft)
40.78°N 73.09°W (Elev. 49 ft)
6:29 pm EDT Jun 9, 2025
12am EDT Jun 10, 2025-6pm EDT Jun 16, 2025
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