Ottawa weather live forecast

Tomorrow's maximum temperature in Ottawa is expected to be 81°F.

5-day weather forecast updated at 04:00 on Tuesday 21st May 2024 GMT

More about Ottawa

Ottawa by month

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

Recommended for Ontario

Air Canada: Low fares on flights to Canada & USA

  • Check out latest flight deals & promotional offers
  • Find lowest fares on flights to Canada, USA & beyond
  • Select a departure point to see the available routes & prices
Go to Air Canada deal >>

View all Air Canada offers

Air CanadaLow fare finder

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 Tuesday 21st May 2024

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a light breeze of 6 mph from the south-west.

  • 81°F maximum temperature81
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 74% chance of some rain74
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 6 mph from the South-West6
    mph wind from SW

Back to top

Ottawa weather for Wednesday 22nd May 2024

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 54% chance of some rain and a gentle breeze of 11 mph from the south-west.

  • 86°F maximum temperature86
    °F maximum temperature
  • 68°F minimum temperature68
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 54% chance of some rain54
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

Back to top

Ottawa weather for Thursday 23rd May 2024

Expect isolated thunderstorms in Ottawa, Ontario with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 12 mph from the west.

  • 82°F maximum temperature82
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 31% chance of some rain31
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 12 mph from the West12
    mph wind from W

Back to top

Ottawa weather for Friday 24th May 2024

Expect sunshine and showers in Ottawa, Ontario with a maximum temperature of 73°F, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a moderate breeze of 14 mph from the west.

  • 73°F maximum temperature73
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 20% chance of some rain20
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 14 mph from the West14
    mph wind from W

Back to top

Ottawa weather for Saturday 25th May 2024

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of 75°F, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the east.

  • 75°F maximum temperature75
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 6 mph from the East6
    mph wind from E

Back to top

Air Canada: Low fares on flights to Canada & USA

  • Check out latest flight deals & promotional offers
  • Find lowest fares on flights to Canada, USA & beyond
  • Select a departure point to see the available routes & prices
Go to Air Canada deal >>

View all Air Canada offers

Air CanadaLow fare finder

Metric (°C)  |  Imperial (°F)

Back to top

More about Canada

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^