National Weather Service Forecast for: Union NY
Issued by: National Weather Service Binghamton, NY
Updated: 2:30 am EDT Jun 22, 2026
 
Today

Today: Showers, mainly after 10am.  High near 64. Calm wind becoming east 5 to 8 mph in the morning.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Showers

Tonight

Tonight: Showers likely, mainly before 1am.  Patchy fog between 11pm and 2am.  Otherwise, cloudy, with a low around 54. Light and variable wind.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Showers
Likely and
Patchy Fog
Tuesday

Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 72. Northwest wind 6 to 10 mph.
Becoming
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 52. Northwest wind around 6 mph becoming calm  in the evening.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 74. Northwest wind 5 to 8 mph.
Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 55.
Partly Cloudy

Thursday

Thursday: Showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 76. Chance of precipitation is 70%.
Partly Sunny
then Showers
Likely
Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers.  Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Showers
Likely

Friday

Friday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
Hi 64 °F Lo 54 °F Hi 72 °F Lo 52 °F Hi 74 °F Lo 55 °F Hi 76 °F Lo 58 °F Hi 76 °F

Hazardous Weather Outlook
 

Today
 
Showers, mainly after 10am. High near 64. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tonight
 
Showers likely, mainly before 1am. Patchy fog between 11pm and 2am. Otherwise, cloudy, with a low around 54. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
 
Cloudy through mid morning, then gradual clearing, with a high near 72. Northwest wind 6 to 10 mph.
Tuesday Night
 
Mostly clear, with a low around 52. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 74. Northwest wind 5 to 8 mph.
Wednesday Night
 
Partly cloudy, with a low around 55.
Thursday
 
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Thursday Night
 
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Friday
 
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Friday Night
 
Showers likely before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
 
Mostly sunny, with a high near 76.
Saturday Night
 
Partly cloudy, with a low around 56.
Sunday
 
Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Union NY.