Weather forecast for tomorrow
Ottawa, OH

Weather forecast for tomorrow

Saturday, Jun 21.

Mostly Sunny
6:02 am

9:13 pm
EDT
Mostly Sunny
93°F / 77°F
  • Wind: 19mph SSW
  • Humidity: 66%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 9
Tomorrow, on Saturday, June 21, expect brilliant sunshine under mostly clear skies.
The maximum temperature will be a blazing 93.2°F, while the minimum forecasted temperature is a moderately hot 77°F.
The maximum heat index, which combines relative humidity and air temperature, is assessed at a life-threatening 113°F. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, the high of 93.2°F will be higher and more in line with July's typical maximum of 81.1°F than June's 77.9°F.
Sunrise will be at 6:02 am and sunset at 9:13 pm; tomorrow's daylight will last for 15h and 11min.

Frequently asked questions

What is the weather forecast for Ottawa for tomorrow?
On Saturday, bright conditions and mild breezes are expected.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 93.2°F, while the lowest temperature will be 77°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at 113°F.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 77.9°F in June. The lowest temperature will be also noticeably higher than the average low of 61°F.
When is the sunrise / sunset tomorrow?
On Saturday, in Ottawa, sunrise will be at 6:02 am and sunset at 9:13 pm (EDT).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 15h and 11min.

Hourly weather forecast

12 am
  • 73°F
  • Feels like:
    73°F
Mostly Clear
Mostly Clear
  • Wind: 8mph SSW
  • Pressure: 29.97"Hg
  • Humidity: 79%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 72°F
  • Feels like:
    73°F
Clear
Clear
  • Wind: 9mph SSW
  • Pressure: 29.97"Hg
  • Humidity: 84%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 70°F
  • Feels like:
    72°F
Clear
Clear
  • Wind: 9mph SSW
  • Pressure: 29.97"Hg
  • Humidity: 86%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
6 am
  • 70°F
  • Feels like:
    72°F
Clear
Clear
  • Wind: 9mph SSW
  • Pressure: 30"Hg
  • Humidity: 86%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 6:02 am
8 am
  • 73°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph SSW
  • Pressure: 30"Hg
  • Humidity: 82%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 79°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph SSW
  • Pressure: 29.97"Hg
  • Humidity: 74%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 84°F
  • Feels like:
    91°F
Mostly Sunny
Mostly Sunny
  • Wind: 16mph SSW
  • Pressure: 29.94"Hg
  • Humidity: 67%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 90°F
  • Feels like:
    99°F
Mostly Sunny
Mostly Sunny
  • Wind: 17mph SSW
  • Pressure: 29.91"Hg
  • Humidity: 60%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 91°F
  • Feels like:
    100°F
Sunny
Sunny
  • Wind: 19mph SSW
  • Pressure: 29.91"Hg
  • Humidity: 54%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 91°F
  • Feels like:
    100°F
Sunny
Sunny
  • Wind: 18mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 54%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 90°F
  • Feels like:
    97°F
Sunny
Sunny
  • Wind: 17mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 57%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 9:13 pm
10 pm
  • 84°F
  • Feels like:
    91°F
Clear
Clear
  • Wind: 15mph SSW
  • Pressure: 29.91"Hg
  • Humidity: 68%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, on Saturday, a combination of overcast and sun-filled weather is anticipated.
The temperature will vary between a minimum of 69.8°F and a maximum of 91.4°F. The feels-like temperature will vary between the lowest temperature of 71.6°F and the highest temperature of 100.4°F. The hottest part of the day will be from 3 pm to 7 pm.
Tomorrow, the temperature will feel more close to July's average high than the usual for June. The minimum temperature will be also more resembling July's average low of 64°F than June's typical 61°F.
Updated: Jun 20, 2025 @ 10:24:39 UTC
Published by: Weather U.S. | About Us
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