Weather forecast for today
Ottawa, IL

Weather forecast for today

Sunday, Jun 15.

Partly Cloudy
5:19 am

8:32 pm
CDT
Partly Cloudy
86°F / 63°F
  • Wind: 7mph E
  • Humidity: 59%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 8
Today, on Sunday, June 15, partly cloudy skies will persist, making for a mix of sun and clouds.
The temperature will fluctuate from a high of a blazing 86°F to a low of a breezy 62.6°F.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a hot 91.4°F. Note that heat index values are valued for light wind and location in the shade.
Today, the temperature will resemble July's climate with a high near 81°F.
Sunrise will be at 5:19 am and sunset at 8:32 pm; the daylight will last for 15h and 13min.

Current condition

Clear
1:13 am CDT
Clear
  • 64°F
  • Feels like: 64°F
  • Wind: 5mph E
  • Humidity: 81%
  • Dewpoint: 57°F
  • Pressure: 30.07"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 0
In Ottawa, at the moment, the conditions remain clear, with no sign of cloud cover.
The temperature is a comfortable 64.4°F. The current temperature is near the lowest anticipated 62.6°F for today.

Frequently asked questions

What is the temperature now?
The temperature at 1:13 am CDT is 64.4°F.
What is the weather forecast for Ottawa for today?
On Sunday, clouds and sunshine will create a dynamic sky throughout the day.
What will be the highest temperature today?
Today, the highest temperature will be 86°F, while the lowest temperature will be 62.6°F. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 91.4°F.
The maximum temperature will be relatively higher than the average highest temperature of 78.8°F in June. Today, the lowest temperature will be in line with the average low temperature.
When is the sunrise / sunset today?
On Sunday, in Ottawa, sunrise will be at 5:19 am and sunset at 8:32 pm (CDT).
How long is the day today?
In Ottawa, the length of the day today will be 15h and 13min.

Hourly weather forecast

2 am
  • 63°F
  • Feels like:
    63°F
Mostly Clear
Mostly Clear
  • Wind: 5mph ENE
  • Pressure: 30.06"Hg
  • Humidity: 84%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph ENE
  • Pressure: 30.06"Hg
  • Humidity: 87%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:19 am
6 am
  • 61°F
  • Feels like:
    61°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph ENE
  • Pressure: 30.06"Hg
  • Humidity: 90%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 68°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph ENE
  • Pressure: 30.06"Hg
  • Humidity: 73%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph E
  • Pressure: 30.06"Hg
  • Humidity: 67%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 79°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph E
  • Pressure: 30.06"Hg
  • Humidity: 58%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 82°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph E
  • Pressure: 30.03"Hg
  • Humidity: 51%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 84°F
  • Feels like:
    86°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph E
  • Pressure: 29.97"Hg
  • Humidity: 47%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 82°F
  • Feels like:
    84°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph E
  • Pressure: 29.97"Hg
  • Humidity: 48%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 79°F
  • Feels like:
    81°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph E
  • Pressure: 29.97"Hg
  • Humidity: 57%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:32 pm
10 pm
  • 73°F
  • Feels like:
    73°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph E
  • Pressure: 30"Hg
  • Humidity: 66%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Today, in Ottawa, cloudy weather is expected.
The temperature will vary between a minimum of 60.8°F and a maximum of 84.2°F. The hottest part of the day will be at 4 pm and 5 pm.
Today, the maximum will match more closely with July's typical value than June's 78.8°F. The night temperature will be comparable to the standard June low of 61.5°F.
Updated: Jun 15, 2025 @ 06:13:46 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

Ottawa, Illinois, USA

  • en: Ottawa, Illinois, USA
  • es: Ottawa, Illinois, EE.UU.
  • hr: Otava, Ilinois, SAD
  • sr: Otava, Ilinois, SAD
  • zh: 渥太华, 伊利诺伊, 美国
  • Latitude: 41.345589°
  • Longitude: -88.842577°
  • Elevation: 482 ft
  • Current time: 1:13am CDT
  • Sunrise: 5:19 am CDT
  • Sunset: 8:32 pm CDT
  • Timezone: America/Chicago
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