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

Canandaigua Airport (KIUA)

Lat: 42.91°NLon: 77.33°WElev: 814ft.

Mostly Cloudy

68°F

20°C

Humidity 87%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 17 Sep 4:15 am EDT
Extended Forecast for

Mendon NY

  • Overnight

    Overnight: A slight chance of showers after 5am. Mostly cloudy, with a low around 63. Light southwest wind. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 10am. Mostly cloudy, with a high near 76. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Light west wind.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. West wind 5 to 9 mph becoming north in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. East wind 3 to 7 mph.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers, mainly after 2am. Low around 54. Southeast wind 3 to 6 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 67. East wind 5 to 9 mph becoming north in the morning. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of showers after 5am. Mostly cloudy, with a low around 63. Light southwest wind. Chance of precipitation is 20%.
Thursday
A chance of showers, mainly before 10am. Mostly cloudy, with a high near 76. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 56. Light west wind.
Friday
Mostly sunny, with a high near 71. West wind 5 to 9 mph becoming north in the afternoon.
Friday Night
Mostly cloudy, with a low around 47. Calm wind.
Saturday
Partly sunny, with a high near 66. East wind 3 to 7 mph.
Saturday Night
Showers, mainly after 2am. Low around 54. Southeast wind 3 to 6 mph. Chance of precipitation is 80%.
Sunday
Showers, mainly before 2pm. High near 67. East wind 5 to 9 mph becoming north in the morning. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mendon NY
 43°N 77.51°W (Elev. 545 ft)
Last Update:
3:57 am EDT Sep 17, 2026
Forecast Valid:
4am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
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Additional Resources

Radar & Satellite Image

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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