Irkutsk weather live forecast

Today's maximum temperature in Irkutsk is expected to be 18°C. Select a day from the live weather forecast for Irkutsk, Russia (Central Asia) for more weather parameters.

Wednesday
16th Sep
18

9

2

3
Thursday
17th Sep
17

9

7

3
Friday
18th Sep
16

9

6

3
Saturday
19th Sep
13

8

0

3
Sunday
20th Sep
15

6

5

3

5-day weather forecast updated at 04:00 on Wednesday 16th September 2026 GMT

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

Irkutsk weather forecast by day

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

Irkutsk weather for Wednesday 16th September 2026

Expect mostly cloudy with light rain in Irkutsk, Russia (Central Asia) with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a light breeze of 9 kph from the north-west.

18
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
73
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
9
kph wind from NW

Irkutsk weather for Thursday 17th September 2026

Expect sunshine and showers in Irkutsk, Russia (Central Asia) with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and little or no wind of 4 kph from the south.

17
°C maximum temperature
9
°C minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
31
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
4
kph wind from S

Irkutsk weather for Friday 18th September 2026

Expect sunshine and showers in Irkutsk, Russia (Central Asia) with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and little or no wind of 6 kph from the north-west.

16
°C maximum temperature
9
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
22
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
6
kph wind from NW

Irkutsk weather for Saturday 19th September 2026

Expect mostly cloudy with rain in Irkutsk, Russia (Central Asia) with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 55% chance of some rain and little or no wind of 6 kph from the north-west.

13
°C maximum temperature
8
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
3
UV index (Moderate)
55
% chance of some rain
<20
mm of rainfall expected
13
°C wind chill
6
kph wind from NW

Irkutsk weather for Sunday 20th September 2026

Expect broken clouds in Irkutsk, Russia (Central Asia) with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-east.