City in Ontario

Ottawa Tempo Previsão

Ottawa weather: 3°C, céu limpo. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.

🌙 3°C now🕔 9:01 AM local📅 Best: setembro👥 1 million

Risk assessment for Ottawa

Derived from the current forecast window – not an official warning.

Fire weather8.1

11 dry days, 0 days above 32°C and humidity at 62%. Hot, dry and windy together is what drives fire spread.

Airborne particulates0.8

Céu limpo air overhead agora. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.

Qualidade do ar and pollen in Ottawa

45
Good
Qualidade do ar is satisfactory for everyone.
PM2.520.8 µg/m³
PM1020.9 µg/m³
Ozone14 µg/m³
NO₂37.3 µg/m³
Índice UV0 · Baixo
Airborne hazeCéu limpo air

Qualidade do ar: Open-Meteo (CAMS). US AQI scale.

Health and safety today

Skin and UVNo protection needed for most skin types.
GeneralCondições are comfortable for most people, including children and older adults, com normal clothing.

Active alerts for Ottawa

⚠️sex., out 23: freezing overnight, -1°C (30°F). Expect ice on roads and trails.
⚠️sáb., out 24: freezing overnight, -2°C (28°F). Expect ice on roads and trails.
⚠️dom., out 25: freezing overnight, -1°C (31°F). Expect ice on roads and trails.
⚠️ter., out 27: freezing overnight, 0°C (32°F). Expect ice on roads and trails.

Derived from the forecast. No official alert feed is wired for this country yet.

Ver a previsão de Ottawa por período

Ottawa weather – more answers

Explore Ottawa

Every topic we hold for this place, and the same topic for the places around it.

Tempo for related places

Frequently asked questions

Where is Ottawa?

Ottawa is a city in Ontario. Its coordinates are 45.4215, -75.6972. It lies in América do Norte.

What is the weather like in Ottawa agora?

It is currently 3°C (37°F) com céu limpo. Humidade is 62% and wind is 2 km/h.

When is the best time a visit Ottawa?

setembro offer the most comfortable conditions in Ottawa, which has a subarctic climate. janeiro, fevereiro and dezembro are usually the hardest months for outdoor plans.

What time zone is Ottawa in?

Ottawa observes America/Toronto (UTC-04:00). The hora local is 9:01 AM.

How many people live in Ottawa?

Ottawa has a population of approximately 1 million.

What is the nearest airport a Ottawa?

The closest airports are seg.treal-Trudeau International Airport (YUL), 153 km away and Toronto Pearson International Airport (YYZ), 367 km away.

What are the top things a do in Ottawa?

Popular options include seg.t-Tremblant National Park, Algonquin Provincial Park, Franconia Notch State Park, Watkins Glen State Park, CN Tower and Letchworth State Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-supported) – coordinates, hierarchy and facts.
Previsão and observationsOpen-Meteo (ECMWF and national models).
Qualidade do ar and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Clima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing – the block is simply not shown.

Last updated outubro 24, 2026 at 9:01 AM hora local. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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