Nearby locations
Ottawa, Illinois, United States
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Weather in Ottawa, United States

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High80°Low57°
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Air quality

Full Details
0
44
500
Air quality:Good

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 Saturday, May 24th, is going to be cloudy for most of the day, with moderate rain before dawn.

There is also a chance for drizzle before dawn at about 2 am, and also light fog in the early morning around 5 am.

Weather details for Ottawa, on Saturday, May 24th:

The maximum temperature during the day is going to be 69°F around 4 pm. The day will have very high relative humidity, with average humidity of 82%, ranging from 70% to a maximum value of 95% at about 10 am. The wind will be breezy, and will get up to 13 mph at 4 am, blowing from the south-east. The cloud coverage throughout the day will be around 100%.

The precipitation probability will change throughout the day between 0% and 85%. The highest chance for precipitation will be around 7 am and the lowest probability around midnight. The dew point will range from 55°F up to a maximum value of 60°F around 6 pm.

The visibility is expected to be good with average visibility of 7 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1018 hPa. Sunrise will be at 5:59 am, and sunset at 8:00 pm. The day will have 14 hours and 1 minutes of daylight.

Air quality forecast for Ottawa, on Saturday, May 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 38 and 52.

Pollen forecast for Ottawa, on Saturday, May 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.

The weather in Ottawa on Sunday, May 25th, will be cloudy for most of the day, with moderate rain before dawn.

There is also a chance for drizzle before dawn at about 3 am.

Weather information for Ottawa, on Sunday, May 25th:

The highest temperature of the day is going to be 67°F at about 2 pm. The day will have very high relative humidity, with average humidity of 87%, ranging from 76% to a maximum value of 96% at about 8 am. The wind will be breezy, and will get up to 14 mph at 3 pm, blowing from the north-east. The cloud coverage throughout the day will be around 100%.

The chances of precipitation throughout the day will change between 0% and 45%. The highest chance for precipitation will be around 9 am and the lowest probability around midnight. The dew point will range from 54°F up to a maximum value of 60°F around 6 am.

The visibility is expected to be good with average visibility of 7 mi throughout the day. Atmospheric pressure will be normal with average pressure of 1018 hPa. Sunrise will be at 5:59 am, and sunset at 8:00 pm. The day will have 14 hours and 1 minutes of daylight.

Air quality forecast for Ottawa, on Sunday, May 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 36 and 47.

Pollen forecast for Ottawa, on Sunday, May 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.

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.