Ottawa weather live forecast

Today's maximum temperature in Ottawa is expected to be -12°C. Select a day from the live weather forecast for Ottawa, Ontario, Canada for more weather parameters.

Wednesday
31st Dec
-12

-16

0

1
Thursday
1st Jan
-14

-18

4

1
Friday
2nd Jan
-8

-17

1

1
Saturday
3rd Jan
-13

-20

5

1
Sunday
4th Jan
-15

-23

5

1

5-day weather forecast updated at 04:00 on Tuesday 30th December 2025 GMT

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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 31st December 2025

Expect broken clouds in Ottawa, Ontario with a maximum temperature of -12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 21 kph from the west.

-12
°C maximum temperature
-16
°C minimum temperature
broken clouds
0
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-21
°C wind chill
21
kph wind from W

Ottawa weather for Thursday 1st January 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of -14°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the west.

-14
°C maximum temperature
-18
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-22
°C wind chill
14
kph wind from W

Ottawa weather for Friday 2nd January 2026

Expect mostly cloudy with light snow in Ottawa, Ontario with a maximum temperature of -8°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 31% chance of some snow and a gentle breeze of 13 kph from the south-west.

-8
°C maximum temperature
-17
°C minimum temperature
mostly cloudy with light snow
1
hour of sunshine
1
UV index (Low)
31
% chance of some snow
<2
cm of snow expected
-14
°C wind chill
13
kph wind from SW

Ottawa weather for Saturday 3rd January 2026

Expect scattered clouds in Ottawa, Ontario with a maximum temperature of -13°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 14 kph from the west.

-13
°C maximum temperature
-20
°C minimum temperature
scattered clouds
5
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-21
°C wind chill
14
kph wind from W

Ottawa weather for Sunday 4th January 2026

Expect broken clouds in Ottawa, Ontario with a maximum temperature of -15°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 9 kph from the west.

-15
°C maximum temperature
-23
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
cm of snow expected
-20
°C wind chill
9
kph wind from W

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

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Ontario - quick facts
Flight time^✝	8 hours
Time difference	UK -5 to -6 hours
Language(s)	English, French
Currency	Canadian Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes