National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Rochester, Greater Rochester International Airport (KROC)

Lat: 43.12°NLon: 77.68°WElev: 558ft.

Mostly Cloudy

26°C

79°F

Humidity 69%
Wind Speed S 6 km/h
Barometer 1013.6 mb (29.93 in)
Dewpoint 20°C (68°F)
Visibility 16 km
Heat Index27°C (81°F)
Last update 12 Jul 8:54 pm EDT
Extended Forecast for

4 Miles WNW Union Hill NY

  • Tonight

    Tonight: A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 25. South wind 8 to 13 km/h. Chance of precipitation is 20%.

    Low: 25 °C

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 32. Heat index values as high as 36. South wind around 11 km/h becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 32 °C

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 22. South wind around 8 km/h becoming west after midnight. Chance of precipitation is 30%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 22 °C

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 31. Northwest wind 5 to 8 km/h.

    High: 31 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. Southwest wind 5 to 10 km/h.

    Low: 21 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 32. Southwest wind 5 to 8 km/h becoming northwest in the afternoon.

    High: 32 °C

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Calm wind becoming south 5 to 8 km/h in the evening.

    Low: 23 °C

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 33. Southwest wind 8 to 10 km/h becoming north in the afternoon.

    High: 33 °C

    Hot

  • Wednesday Night

    Wednesday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °C

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 25. South wind 8 to 13 km/h. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 32. Heat index values as high as 36. South wind around 11 km/h becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 22. South wind around 8 km/h becoming west after midnight. Chance of precipitation is 30%. New precipitation amounts between 2.5 and 5 mm possible.
Monday
Sunny, with a high near 31. Northwest wind 5 to 8 km/h.
Monday Night
Mostly clear, with a low around 21. Southwest wind 5 to 10 km/h.
Tuesday
Sunny and hot, with a high near 32. Southwest wind 5 to 8 km/h becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 23. Calm wind becoming south 5 to 8 km/h in the evening.
Wednesday
Mostly sunny and hot, with a high near 33. Southwest wind 8 to 10 km/h becoming north in the afternoon.
Wednesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 29. Chance of precipitation is 30%.
Friday Night
A chance of thunderstorms. Partly cloudy, with a low around 21. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Union Hill NY
 43.24°N 77.5°W (Elev. 302 m)
Last Update:
7:36 pm EDT Jul 12, 2025
Forecast Valid:
9pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation