Nearby locations
Ottawa, Illinois, United States
Naplate, Illinois, United States
LaSalle County, Illinois, United States
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Weather in Ottawa, United States

19°
Cloudy
Feels like 19°
·
High28°Low19°
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Air quality

Full Details
0
42
500
Air quality:Good

Pollen index

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

Today's weather summary

The weather in Ottawa on Saturday, July 25th, is going to be cloudy throughout the day, with few clouds before dawn.

There's seems to be also high probability of some clouds before dawn at about 1 am.

Weather details for Ottawa, on Saturday, July 25th:

The highest temperature of the day is going to be 28°C around 6 pm. The day will be extremely humid, with average humidity of 79%, ranging from 63% to a maximum value of 94% at about 1 am. The wind will be light, and will get up to 11 km/h at 9 am, blowing from the south. The cloud coverage will range from 1% around 9 pm to as high as 100% around 2 pm with an average of 58%.

There is no probability for any precipitation throughout the day. The dew point will range from 15°C up to a maximum value of 21°C around 8 pm.

The visibility is expected to be good with average visibility of 16 km throughout the day. Atmospheric pressure will be normal with average pressure of 1015 hPa. Sunrise will be at 5:43 am, and sunset at 8:19 pm, making it a total of 14 hours and 36 minutes of daylight.

Air quality forecast for Ottawa, on Saturday, July 25th:

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 28 and 45.

Pollen forecast for Ottawa, on Saturday, July 25th:

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 Sunday, July 26th, will be clear for most of the day, together with cloud overcast before dawn.

There's seems to be also high probability of some clouds in the afternoon around 3 pm.

Weather information for Ottawa, on Sunday, July 26th:

The maximum temperature of the day is going to be 37°C around 5 pm. The day will be humid, with average humidity of 69%, ranging from 42% to a maximum value of 97% at about 7 am. The wind will be calm, and will get up to 8 km/h at noon, blowing from the south-east. The cloud coverage will range from 0% around 7 pm to as high as 100% around 9 am with an average of 40%.

There is no probability for any precipitation throughout the day. The dew point will range from 20°C up to a maximum value of 24°C around 11 pm.

The visibility is expected to be good with average visibility of 15 km throughout the day. Atmospheric pressure will be normal with average pressure of 1010 hPa. Sunrise will be at 5:44 am, and sunset at 8:18 pm, making it a total of 14 hours and 34 minutes of daylight.

Air quality forecast for Ottawa, on Sunday, July 26th:

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 21 and 50.

Pollen forecast for Ottawa, on Sunday, July 26th:

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.