Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
77°F
25°C
| Humidity | 94% |
| Wind Speed | SW 3 mph |
| Barometer | 30.04 in (1017.2 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 16 Jul 12:56 am EDT |
Extended Forecast for
Farmingville NY
Heat Advisory July 16, 11:00am until July 17, 10:00pm
Overnight
Low: 72 °F
Patchy Fog
Wednesday
High: 87 °F
Patchy Fog
then Mostly
SunnyWednesday Night
Low: 74 °F
Chance
T-stormsThursday
High: 88 °F
Showers
LikelyThursday Night
Low: 76 °F
Showers
Likely then
Partly CloudyFriday
High: 88 °F
Sunny
Friday Night
Low: 69 °F
Partly Cloudy
Saturday
High: 84 °F
Sunny
Saturday Night
Low: 70 °F
Mostly Cloudy
Detailed Forecast
Overnight
Patchy fog before 3am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Heat index values as high as 96. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 6 to 8 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Heat index values as high as 98. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 76. Southwest wind around 8 mph. Chance of precipitation is 60%.
Friday
Sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers after 8am. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Farmingville NY
40.84°N 73.05°W (Elev. 197 ft)
40.84°N 73.05°W (Elev. 197 ft)
3:16 pm EDT Jul 15, 2025
1am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
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