Irkutsk weather live forecast

Today's maximum temperature in Irkutsk is expected to be 30°C. Select a day from the live weather forecast for Irkutsk, Russia (Central Asia) for more weather parameters.

Wednesday
5th Aug
30

17

11

6
Thursday
6th Aug
31

18

12

7
Friday
7th Aug
31

21

11

6
Saturday
8th Aug
26

19

2

6
Sunday
9th Aug
24

16

6

6

5-day weather forecast updated at 04:00 on Tuesday 4th August 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 5th August 2026

Expect scattered clouds in Irkutsk, Russia (Central Asia) with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-east.

30
°C maximum temperature
17
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from SE

Irkutsk weather for Thursday 6th August 2026

Expect scattered clouds in Irkutsk, Russia (Central Asia) with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.

31
°C maximum temperature
18
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SE

Irkutsk weather for Friday 7th August 2026

Expect scattered clouds in Irkutsk, Russia (Central Asia) with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.

31
°C maximum temperature
21
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SE

Irkutsk weather for Saturday 8th August 2026

Expect isolated thunderstorms in Irkutsk, Russia (Central Asia) with a maximum temperature of 26°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a light breeze of 8 kph from the north-west.

26
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
46
% chance of some rain
<2
mm of rainfall expected
26
°C wind chill
8
kph wind from NW

Irkutsk weather for Sunday 9th August 2026

Expect mostly cloudy with rain in Irkutsk, Russia (Central Asia) with a maximum temperature of 24°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a light breeze of 9 kph from the north-west.