Ontario, OH Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Ontario, OH in one place.
Sunny, with a high near 77. West wind around 6 mph.
Local Weather Overview
This forecast page for Ontario, OH 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: Aug 23, 2026 6:21 PM EDT.
The active forecast window currently covers Aug 25 to Aug 29, 2026 for Ontario, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 25 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 6:21 PM EDT
- Forecast office
- CLE
- Source
- NOAA / NWS
Daily Outlook
This Week in Ontario
Thursday looks like the warmest upcoming period in Ontario at 80 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Thursday at about 10 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 6:21 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- CLE
- Radar station
- KCLE
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 79.
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 62.
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunny, with a high near 79.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 25
|
Sunny
|
77°F |
6 mph
W
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
56°F |
3 mph
S
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
79°F |
5 to 8 mph
S
|
|
Wednesday Night
Aug 26
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
62°F |
8 mph
S
|
|
Thursday
Aug 27
|
Chance Showers And Thunderstorms
|
80°F |
10 mph
SW
|
|
Thursday Night
Aug 27
|
Chance Showers And Thunderstorms then Partly Cloudy
|
61°F |
3 to 8 mph
W
|
|
Friday
Aug 28
|
Sunny
|
79°F |
7 mph
NW
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
58°F |
6 mph
E
|
|
Saturday
Aug 29
|
Mostly Sunny
|
78°F |
5 mph
N
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
60°F |
6 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ontario.