Ottawa weather live forecast

Tomorrow's maximum temperature in Ottawa is expected to be -2°C.

  • Wednesday
    12th Mar
    Broken clouds
  • Thursday
    13th Mar
    Scattered clouds
  • Friday
    14th Mar
    Scattered clouds
  • Saturday
    15th Mar
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Sunday
    16th Mar
    Cloudy with some rain (30-40 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Wednesday 12th March 2025 GMT

More about Ottawa

Ottawa by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ontario

Hurtigruten: up to 25% off all-inclusive expeditions

  • Save up to 25% on Hurtigruten all-inclusive expeditions
  • Get best price guaranteed with HX Price Promise
  • Travel between 23rd Mar 2025 & 31st Mar 2027 (inclusive)
Go to Hurtigruten deal >>

Expires at 23:59 on Monday 31st Mar 2025

The 5-day weather forecast for Ontario (Ottawa) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Ottawa weather forecast by day

Below are the detailed weather forecasts for Ottawa for the next 5 days.

Ottawa weather for Wednesday 12th March 2025

Expect broken clouds in Ottawa, Ontario with a maximum temperature of -2°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 11 kph from the north.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 cm of snow expected0
    cm of snow expected
  • -6°C wind chill-6
    °C wind chill
  • Light breeze of 11 kph from the North11
    kph wind from N

Back to top

Ottawa weather for Thursday 13th March 2025

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 4°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

  • 4°C maximum temperature4
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 1°C wind chill1
    °C wind chill
  • Light breeze of 12 kph from the East12
    kph wind from E

Back to top

Ottawa weather for Friday 14th March 2025

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 8°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

  • 8°C maximum temperature8
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Light breeze of 11 kph from the East11
    kph wind from E

Back to top

Ottawa weather for Saturday 15th March 2025

Expect mostly cloudy with light rain in Ottawa, Ontario with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 13 kph from the south-east.

  • 10°C maximum temperature10
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 60% chance of some rain60
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the South-East13
    kph wind from SE

Back to top

Ottawa weather for Sunday 16th March 2025

Expect cloudy with some rain in Ottawa, Ontario with a maximum temperature of 16°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 94% chance of some rain and a moderate breeze of 22 kph from the south-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 94% chance of some rain94
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the South-West22
    kph wind from SW

Back to top

TAP Air Portugal: Low fares on flights to Canada

  • Find the cheapest fares on flights to Canada
  • Book flights to Toronto, Ontario via Portugal
  • Depart from Heathrow, Gatwick, London City & Manchester
Go to TAP Air Portugal deal >>

View all TAP Air Portugal offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Ontario

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^