Hazardous Weather Conditions
Current conditions at
Shirley, Brookhaven Airport (KHWV)
Lat: 40.82°NLon: 72.87°WElev: 82ft.
Fair
-2°C
28°F
| Humidity | 47% |
| Wind Speed | W 24 G 48 km/h |
| Barometer | 1016.6 mb (30.02 in) |
| Dewpoint | -12°C (10°F) |
| Visibility | 16 km |
| Wind Chill | -9°C (16°F) |
| Last update | 12 Dec 9:56 am EST |
Extended Forecast for
Upton NY
Today

High: 1 °C
Sunny
Tonight

Low: -5 °C
Mostly Clear
Saturday

High: 6 °C
Mostly Cloudy
Saturday Night
Low: -3 °C
Chance
Rain/Snow
then
Rain/SnowSunday

High: 1 °C
Snow Likely
Sunday Night

Low: -9 °C
Partly Cloudy
Monday

High: -1 °C
Sunny
Monday Night

Low: -6 °C
Mostly Cloudy
Tuesday

High: 1 °C
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 1. Wind chill values between -5 and zero. West wind 18 to 23 km/h, with gusts as high as 39 km/h.
Tonight
Mostly clear, with a low around -5. West wind 5 to 10 km/h becoming calm after midnight.
Saturday
Mostly cloudy, with a high near 6. Wind chill values between -5 and zero. Light west wind becoming southwest 11 to 16 km/h in the morning. Winds could gust as high as 32 km/h.
Saturday Night
A chance of rain and snow before 1am, then snow. Low around -3. West wind 5 to 10 km/h. Chance of precipitation is 80%. New snow accumulation of 3 to 5 centimeters possible.
Sunday
Snow likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 1. Northwest wind 8 to 18 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%. New snow accumulation of 5 to 9 centimeters possible.
Sunday Night
Partly cloudy, with a low around -9.
Monday
Sunny, with a high near -1.
Monday Night
Mostly cloudy, with a low around -6.
Tuesday
Mostly sunny, with a high near 1.
Tuesday Night
Mostly cloudy, with a low around -4.
Wednesday
Partly sunny, with a high near 6.
Wednesday Night
Mostly cloudy, with a low around 1.
Thursday
Partly sunny, with a high near 11.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Upton NY
40.86°N 72.87°W (Elev. 49 m)
40.86°N 72.87°W (Elev. 49 m)
1:15 am EST Dec 12, 2025
10am EST Dec 12, 2025-6pm EST Dec 18, 2025



