Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Ontario Weather in October
Ontario in October sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 3°C (37°F). Low rainfall is typical, with around 19 mm (0.7 in) for the month.
Rainfall in Ontario in October
You can typically expect 7 days of rain this month, averaging around 19 mm (0.7 in). The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in Ontario in October
If you're visiting Ontario in October, expect excellent temperatures with highs of 19°C (66°F) and overnight lows of 3°C (37°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.If your ideal day consists of dry skies and pleasant temperatures, April, May, June, September and October typically offer the best circumstances for Ontario.
Ontario Temperature in October
Min Temperature
3°C (37°F)
Max Temperature
19°C (66°F)
Chance of Rain
23%
Precipitation
19 mm (0.7 in)
Rainy days
7 days
Ontario Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ontario - and find the best time to visit.
Best Places in the United States of America in October
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Ontario in October
Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. With minimal rainfall expected, you can leave the rain gear at home.
What To Do in Ontario in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping5/10 -
Outdoor sports10/10
Ontario 3-Day Forecast
More climate data for Ontario
See the full Ontario climate overview or explore weather in the United States of America.
Popular in October
Where to go in October - average daytime high across popular destinations.
Miami Beach
29°C (84°F) Orlando
29°C (84°F) Kissimmee
29°C (84°F) Destin26°C (79°F) Los Angeles24°C (75°F) New York City19°C (66°F) Big Bear Lake19°C (66°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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