Weather in Ontario, United States
Weather Advisories
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Today's weather summary
The weather in Ontario on Saturday, April 27th, will vary throughout the day from mostly cloudy weather to clear.
According to our models many clouds will emerge around noon and a high probability for clear skies before dawn.
Weather details for Ontario, on Saturday, April 27th:
The maximum temperature during the day is going to be 60°F around 3 pm. The day will have very high relative humidity, with average humidity of 70%, ranging from 59% to a maximum value of 80% at about 7 am. The wind will be breezy, and will get up to 19 mph at 5 pm, blowing from the north-west. The cloud coverage will range from 0% around 2 am to as high as 67% around 1 pm with an average of 21%.
There is no probability for any precipitation throughout the day. The dew point will range from 43°F up to a maximum value of 46°F around 1 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 1018 hPa. Sunrise will be at 7:20 am, and sunset at 8:53 pm, making it a total of 13 hours and 33 minutes of daylight.
Air quality forecast for Ontario, on Saturday, April 27th:
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 32 and 49.
Pollen forecast for Ontario, on Saturday, April 27th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
The weather in Ontario on Sunday, April 28th, is going to be clear throughout the day.
Also, there's a high chance of few clouds before dawn, around 12 am.
Weather details for Ontario, on Sunday, April 28th:
The maximum temperature of the day will be 63°F around 2 pm. The day will have very high relative humidity, with average humidity of 73%, ranging from 60% to a maximum value of 86% at about 5 am. The wind will be breezy, and will get up to 19 mph at 4 pm, blowing from the west. The cloud coverage will range from 0% around 3 am to as high as 13% around midnight with an average of 2%.
There is no probability for any precipitation throughout the day. The dew point will range from 44°F up to a maximum value of 51°F around 2 pm.
The visibility is expected to be good with average visibility of 10 mi throughout the day. Atmospheric pressure will be high with average pressure of 1019 hPa. Sunrise will be at 7:19 am, and sunset at 8:54 pm, making it a total of 13 hours and 35 minutes of daylight.
Air quality forecast for Ontario, on Sunday, April 28th:
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 29 and 47.
Pollen forecast for Ontario, on Sunday, April 28th:
The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have very low risk.
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