Hot temperatures on the way again, and it’s sticking around
Posted Aug 7, 2025 12:44:30 PM.
Last Updated Aug 7, 2025 02:01:39 PM.
Ensure the air conditioner is working since Ottawa and The Valley are set to see temperatures above 30 C again in the coming days.
Environment Canada meteorologists forecast a rise on the thermometer Friday, extending into mid next week. Aug. 8’s high is predicted to be 31 C with Monday reaching 33 C.
Aside from a 40 per cent chance of showers Thursday evening, Friday and through the weekend, forecasts plenty of sunshine with high UV levels. The weather agency has set the UV level at 8, or very high.
A special weather statement has been issued for communities north of the Ontario-Quebec border. It states, “A period of hot and humid weather is expected during the next few days. Sunday and Monday, temperatures will exceed the 30-degree mark, and humidex values will approach 40. Nights will be warm and offer little relief.”
Smoke continues to linger as well, bringing some hazy skies although there’s no air quality statement in effect.

Burn ban across Ottawa
A city-wide burn ban is in effect for Ottawa. Open air fires are not permitted.
In Ottawa, to light a fire on private property a permit is required. Residents can apply for a permit through My Service Ottawa and learn more here.
The following types of open fires require a permit:
- Brush piles
- Agricultural burns
- Backyard fireplaces
- Chiminea
- Campfires
- Windrows
There are annual, restricted, agricultural and specific event permits available.
What you can and can’t burn
When in possession of an open fire permit, residents can burn untreated wood, tree limbs and branches. The following items can not be burned under an open fire permit:
- Grass clipping and leaves
- Garbage
- Pressure-treated wood
- Combustibles with toxic fumes
- Flammable liquids
- Plastic and tires
Find all the latest and updated forecast details for Ottawa here.