Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
64°F
18°C
| Humidity | 81% |
| Wind Speed | Calm |
| Barometer | 30.01 in (1016.1 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 22 May 6:56 am EDT |
Extended Forecast for
Holtsville NY
Today
High: 76 °F
Sunny
Tonight
Low: 59 °F
Slight Chance
T-stormsThursday
High: 77 °F
Chance
T-stormsThursday Night
Low: 60 °F
T-storms
Likely then
Showers
LikelyFriday
High: 78 °F
Chance
ShowersFriday Night
Low: 60 °F
Partly Cloudy
Saturday
High: 73 °F
Partly Sunny
Saturday Night
Low: 58 °F
Chance
ShowersSunday
High: 74 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 76. South wind 7 to 13 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 59. South wind 8 to 11 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 77. Southwest wind 7 to 9 mph.
Thursday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 60. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 78. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 73.
Saturday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 74.
Sunday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 57.
Memorial Day
A 40 percent chance of showers. Mostly cloudy, with a high near 72.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 72.
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)
6:06 am EDT May 22, 2024
7am EDT May 22, 2024-6pm EDT May 28, 2024
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
