Ontario County, NY Weather Forecast
County weather hub
Areas Of Smoke
Compare major city weather across Ontario County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Areas of smoke after 8am. Mostly sunny, with a high near 87. Northwest wind 12 to 16 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
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 9:59 AM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Ontario County
Today looks like the warmest upcoming period in Ontario County at 87 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Today at about 12 to 16 mph NW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 9:59 AM EDT
- Coverage
- 7 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
Areas of smoke. Partly cloudy, with a low around 66. West wind 6 to 10 mph.
Areas of smoke. Mostly sunny, with a high near 84. West wind 6 to 14 mph, with gusts as high as 24 mph.
Areas of smoke before 8pm. Partly cloudy, with a low around 62. West wind 2 to 13 mph.
Mostly sunny, with a high near 82. North wind 2 to 6 mph.
A slight chance of rain showers between 8pm and 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms likely before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 82. Southwest wind 6 to 9 mph. Chance of precipitation is 80%.
Showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. West wind around 9 mph. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 40%.
Partly cloudy, with a low around 63.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 15
|
Areas Of Smoke
|
87°F |
12 to 16 mph
NW
|
|
Tonight
Jul 15
|
Areas Of Smoke
|
66°F |
6 to 10 mph
W
|
|
Thursday
Jul 16
|
Areas Of Smoke
|
84°F |
6 to 14 mph
W
|
|
Thursday Night
Jul 16
|
Areas Of Smoke then Partly Cloudy
|
62°F |
2 to 13 mph
W
|
|
Friday
Jul 17
|
Mostly Sunny
|
82°F |
2 to 6 mph
N
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
64°F |
6 mph
SE
|
|
Saturday
Jul 18
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
82°F |
6 to 9 mph
SW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
63°F |
9 mph
W
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
79°F |
7 to 10 mph
NW
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
63°F |
3 to 7 mph
W
|
|
Monday
Jul 20
|
Mostly Sunny then Chance Showers And Thunderstorms
|
84°F |
5 to 8 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
66°F |
6 to 10 mph
SW
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms Likely
|
81°F |
10 to 14 mph
W
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms Likely
|
61°F |
9 to 13 mph
W
|
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.
