Ontario, NY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Ontario, NY in one place.
Sunny, with a high near 47. Northwest wind 6 to 9 mph.
Local Weather Overview
This forecast page for Ontario, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 3:51 PM EDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Ontario, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:51 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Ontario
Tuesday looks like the warmest upcoming period in Ontario at 72 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Monday at about 12 to 15 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:51 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 around 5 mph.
A slight chance of rain showers after 2pm. Mostly cloudy, with a high near 62. Southeast wind 3 to 9 mph.
A chance of rain showers. Mostly cloudy, with a low around 55. South wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
47°F |
6 to 9 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
33°F |
5 mph
SW
|
|
Sunday
Apr 12
|
Mostly Cloudy then Slight Chance Rain Showers
|
62°F |
3 to 9 mph
SE
|
|
Sunday Night
Apr 12
|
Chance Rain Showers
|
55°F |
12 mph
S
|
|
Monday
Apr 13
|
Chance Rain Showers
|
69°F |
12 to 15 mph
SW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
57°F |
7 to 13 mph
SW
|
|
Tuesday
Apr 14
|
Chance Rain Showers
|
72°F |
7 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
51°F |
9 mph
W
|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
64°F |
9 mph
W
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
46°F |
8 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ontario.
