Nearby locations
Ottawa, Illinois, United States
Naplate, Illinois, United States
LaSalle County, Illinois, United States
Nearby popular places
Washington Park Historic District, United States
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Weather in Ottawa, United States

93°
Clear
Feels like 109°
·
High94°Low76°

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Air quality

Full Details
0
61
500
Air quality:Moderate

Pollen index

Full Details
Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Tomorrow's weather summary

The weather in Ottawa on Thursday, July 23rd, will be cloudy for most of the day, together with some clouds during the morning.

There is also a chance for clear skies during the morning at about 8 am.

Weather information for Ottawa, on Thursday, July 23rd:

The highest temperature during the day will be 83°F at about 3 pm. The day will be humid, with average humidity of 61%, ranging from 43% to a maximum value of 80% at about 5 am. The wind will be light, and will get up to 9 mph at 1 am, blowing from the north-east. The cloud coverage will range from 1% around 8 am to as high as 100% around 6 am with an average of 68%.

There is no probability for any precipitation throughout the day. The dew point will range from 57°F up to a maximum value of 61°F around 2 am.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1018 hPa. Sunrise will be at 5:51 am, and sunset at 8:02 pm, making it a total of 14 hours and 11 minutes of daylight.

Air quality forecast for Ottawa, on Thursday, July 23rd:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 25 and 45.

Pollen forecast for Ottawa, on Thursday, July 23rd:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The weather in Ottawa on Friday, July 24th, will change throughout the day from cloudy weather to clear.

According to our models cloud overcast will appear before dawn and a high probability for clear skies in the early morning.

Weather information for Ottawa, on Friday, July 24th:

The maximum temperature of the day will be 87°F at about 3 pm. The day will have comfortable humidity, with average humidity of 59%, ranging from 37% to a maximum value of 80% at about 6 am. The wind will be light, and will get up to 7 mph at midnight, blowing from the north-east. The cloud coverage will range from 3% around 6 am to as high as 98% around 3 pm with an average of 52%.

There is no probability for any precipitation throughout the day. The dew point will range from 57°F up to a maximum value of 63°F around 8 pm.

The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1017 hPa. Sunrise will be at 5:51 am, and sunset at 8:02 pm. The day will have 14 hours and 11 minutes of daylight.

Air quality forecast for Ottawa, on Friday, July 24th:

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 27 and 49.

Pollen forecast for Ottawa, on Friday, July 24th:

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

FAQ

How warm does it get in Ottawa?
The average annual highest temperature in Ottawa is 30.7°C (87.3°F), and the July 18th is the hottest day on average.
How cold does it get in Ottawa?
The average annual lowest temperature in Ottawa is -10.7°C (12.7°F), and the January 14th is the coldest day on average.
Which month has the most rain in Ottawa?
The wettest months in Ottawa are May and June.
What months does it snow in Ottawa?
The most common time of year for snow is February, January, December and March.