Weather forecast for 10 daysOttawa, OH
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 34°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphSSW 195°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:51 am EDT
- Sunset: 6:51 pm EDT
- details ▼
Tomorrow, in Ottawa, sunshine will likely continue with scattered clouds at most.
Temperature changes will be considerable, from a high of an enjoyable 66.2°F to a low of an icy 33.8°F.
Anticipated temperatures are trending slightly warmer than October's climate norm of 61.9°F.
Sunrise will be at 7:51 am and sunset at 6:51 pm; tomorrow's daylight will last for 11h and 0min.
Temperature changes will be considerable, from a high of an enjoyable 66.2°F to a low of an icy 33.8°F.
Anticipated temperatures are trending slightly warmer than October's climate norm of 61.9°F.
Sunrise will be at 7:51 am and sunset at 6:51 pm; tomorrow's daylight will last for 11h and 0min.
10-day overview
Daily temperatures
Maximum temperature: 72°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: Thursday 20%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 32°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSW 220°
- Humidity: 79%
- UV index: 0
- Sunrise: 7:50 am EDT
- Sunset: 6:52 pm EDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 34°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphSSW 195°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:51 am EDT
- Sunset: 6:51 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 36°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSE 143°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:52 am EDT
- Sunset: 6:49 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 37°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphNE 44°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:53 am EDT
- Sunset: 6:48 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 70°F
- 36°F
Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 5mphNNE 32°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:54 am EDT
- Sunset: 6:46 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 39°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 7mphNNE 18°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:55 am EDT
- Sunset: 6:45 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 37°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 8mphENE 57°
- Humidity: 67%
- UV index: 4
- Sunrise: 7:56 am EDT
- Sunset: 6:44 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphE 86°
- Humidity: 63%
- UV index: 4
- Sunrise: 7:58 am EDT
- Sunset: 6:42 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSSE 159°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:59 am EDT
- Sunset: 6:41 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 70°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphNNW 333°
- Humidity: 63%
- UV index: 3
- Sunrise: 8:00 am EDT
- Sunset: 6:39 pm EDT
- details ▼
A combination of bright and dull weather is expected.
Rainfall is not predicted in Ottawa in the upcoming days.
Temperature differences will be unnoticeable during the next few days. The maximum temperature will vary between 66.2°F and 71.6°F, while the forecast minimum temperature falls between 32°F and 42.8°F.
With a maximum temperature of 71.6°F, Tuesday, Friday and next Sunday will be the warmest days in Ottawa; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Rainfall is not predicted in Ottawa in the upcoming days.
Temperature differences will be unnoticeable during the next few days. The maximum temperature will vary between 66.2°F and 71.6°F, while the forecast minimum temperature falls between 32°F and 42.8°F.
With a maximum temperature of 71.6°F, Tuesday, Friday and next Sunday will be the warmest days in Ottawa; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Updated: Oct 18, 2026 @ 00:05:54 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Ottawa, the outlook remains bright and sunny.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 33.8°F.
The maximum temperature tomorrow will be a few degrees higher than the average highest temperature in October. Tomorrow, the lowest temperature will be significantly lower than the average low of 46.2°F.
The maximum temperature tomorrow will be a few degrees higher than the average highest temperature in October. Tomorrow, the lowest temperature will be significantly lower than the average low of 46.2°F.
On Sunday, in Ottawa, sunrise will be at 7:51 am and sunset at 6:51 pm (EDT).
In Ottawa, Ohio, the length of the day tomorrow will be 11h and 0min.
