Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
80°F
27°C
| Humidity | 64% |
| Wind Speed | SW 14 mph |
| Barometer | 30.23 in (1023.4 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 20 Jun 5:56 pm EDT |
Extended Forecast for
Holtsville NY
Tonight
Low: 71 °F
Mostly Clear
Friday
High: 86 °F
Sunny then
Slight Chance
T-stormsFriday Night
Low: 72 °F
Chance
T-stormsSaturday
High: 84 °F
Chance
T-stormsSaturday Night
Low: 69 °F
Chance
T-stormsSunday
High: 86 °F
Mostly Sunny
then Chance
T-stormsSunday Night
Low: 71 °F
Showers
LikelyMonday
High: 86 °F
Chance
T-stormsMonday Night
Low: 66 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 71. Southwest wind 6 to 15 mph.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 8 to 13 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 72. South wind 6 to 9 mph.
Saturday
A slight chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 69. South wind around 9 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Additional Forecasts and Information
ABOUT THIS FORECAST
Point Forecast:
Holtsville NY
40.82°N 73.05°W (Elev. 112 ft)
40.82°N 73.05°W (Elev. 112 ft)
5:28 pm EDT Jun 20, 2024
6pm EDT Jun 20, 2024-6pm EDT Jun 27, 2024
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
