Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog
34°F
1°C
| Humidity | 97% |
| Wind Speed | SW 10 mph |
| Barometer | 30.10 in (1019.3 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 0.50 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 17 Feb 12:56 pm EST |
Extended Forecast for
Hauppauge NY
Dense Fog Advisory February 17, 10:00pm until February 18, 10:00am
This Afternoon
High: 40 °F
Partly Sunny
Tonight
Low: 32 °F
Dense Fog
Wednesday
High: 41 °F
Rain Likely
and Areas
Dense FogWednesday Night
Low: 33 °F
Rain Likely
then Chance
RainThursday
High: 39 °F
Mostly Cloudy
Thursday Night
Low: 34 °F
Cloudy then
Chance
Rain/SnowFriday
High: 40 °F
Rain/Snow
Likely then
RainFriday Night
Low: 32 °F
Rain Likely
Saturday
High: 43 °F
Partly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 40. Southwest wind 6 to 8 mph.
Tonight
Widespread dense fog, mainly after 1am. Otherwise, increasing clouds, with a low around 32. Calm wind.
Wednesday
Drizzle likely before 10am, then rain likely, mainly between 10am and 2pm. The drizzle could be heavy at times. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 41. Calm wind becoming southeast around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 33. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 39. East wind around 6 mph.
Thursday Night
A chance of rain after 1am, mixing with snow after 4am. Cloudy, with a steady temperature around 34. Chance of precipitation is 40%.
Friday
Rain likely, possibly mixed with snow before 7am, then rain. High near 40. Chance of precipitation is 90%.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 36.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 35.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hauppauge NY
40.82°N 73.2°W (Elev. 197 ft)
40.82°N 73.2°W (Elev. 197 ft)
12:51 pm EST Feb 17, 2026
1pm EST Feb 17, 2026-6pm EST Feb 23, 2026
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