Ontario, NY Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Ontario, NY in one place.
A chance of rain showers. Mostly cloudy, with a low around 67. West wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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: Jul 10, 2026 6:59 AM EDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Ontario, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 6:59 AM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Ontario
Tuesday looks like the warmest upcoming period in Ontario at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Tuesday at about 7 to 14 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 6:59 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
A chance of rain showers before 10am. Partly sunny, with a high near 80. North wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 66. North wind 2 to 6 mph.
Mostly sunny, with a high near 81. Northeast wind 3 to 9 mph.
Mostly clear, with a low around 63. Northeast wind 1 to 5 mph.
Sunny, with a high near 84. West wind 1 to 6 mph.
Mostly clear, with a low around 64. Southeast wind around 3 mph.
Sunny, with a high near 89. Southwest wind around 6 mph.
Partly cloudy, with a low around 71.
Mostly sunny, with a high near 92.
Partly cloudy, with a low around 73.
Mostly sunny, with a high near 87.
Partly cloudy, with a low around 67.
Mostly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Chance Rain Showers
|
67°F |
3 mph
W
|
|
Friday
Jul 10
|
Chance Rain Showers then Partly Sunny
|
80°F |
3 to 8 mph
N
|
|
Friday Night
Jul 10
|
Partly Cloudy
|
66°F |
2 to 6 mph
N
|
|
Saturday
Jul 11
|
Mostly Sunny
|
81°F |
3 to 9 mph
NE
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
63°F |
1 to 5 mph
NE
|
|
Sunday
Jul 12
|
Sunny
|
84°F |
1 to 6 mph
W
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
64°F |
3 mph
SE
|
|
Monday
Jul 13
|
Sunny
|
89°F |
6 mph
SW
|
|
Monday Night
Jul 13
|
Partly Cloudy
|
71°F |
5 to 8 mph
SW
|
|
Tuesday
Jul 14
|
Mostly Sunny
|
92°F |
7 to 14 mph
SW
|
|
Tuesday Night
Jul 14
|
Partly Cloudy
|
73°F |
14 mph
W
|
|
Wednesday
Jul 15
|
Mostly Sunny
|
87°F |
12 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
67°F |
5 to 9 mph
W
|
|
Thursday
Jul 16
|
Mostly Sunny
|
85°F |
6 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ontario.