Ontario County, NY Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Ontario County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 49. Northwest wind around 12 mph.
County Weather Overview
This county weather page brings together forecast coverage for Ontario County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 6 of 6 mapped cities in Ontario County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:14 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Ontario County
Tuesday looks like the warmest upcoming period in Ontario County at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Sunday Night at about 14 to 18 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 4:14 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- BUF
- Radar station
- KBUF
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 33. Southwest wind 2 to 8 mph.
A slight chance of rain showers after 2pm. Mostly cloudy, with a high near 62. South wind 6 to 13 mph.
A slight chance of rain showers. Mostly cloudy, with a low around 56. South wind 14 to 18 mph, with gusts as high as 29 mph.
A chance of rain showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Mostly Sunny
|
49°F |
12 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
33°F |
2 to 8 mph
SW
|
|
Sunday
Apr 12
|
Mostly Cloudy then Slight Chance Rain Showers
|
62°F |
6 to 13 mph
S
|
|
Sunday Night
Apr 12
|
Slight Chance Rain Showers
|
56°F |
14 to 18 mph
S
|
|
Monday
Apr 13
|
Chance Rain Showers
|
71°F |
18 mph
SW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
60°F |
10 to 16 mph
SW
|
|
Tuesday
Apr 14
|
Chance Rain Showers
|
77°F |
9 to 14 mph
SW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
57°F |
9 to 13 mph
SW
|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
71°F |
9 to 13 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
51°F |
12 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Ontario County.
Coverage
Forecast coverage currently spans 6 of 6 mapped cities in Ontario County.
Largest mapped city population in this region: 11,373.
