🇷🇺 Weather in Irkutsk
Map Overlays:
Hourly Forecast for Irkutsk
12:00
17°
6%
13:00
17°
10%
14:00
16°
10%
15:00
17°
10%
16:00
17°
5%
17:00
18°
10%
18:00
18°
8%
19:00
18°
5%
20:00
16°
5%
21:00
15°
4%
22:00
14°
4%
23:00
13°
5%
00:00
13°
6%
01:00
12°
7%
02:00
12°
8%
03:00
11°
8%
04:00
11°
8%
05:00
11°
9%
06:00
10°
9%
07:00
11°
8%
08:00
10°
5%
09:00
12°
3%
10:00
15°
2%
11:00
17°
1%
14-Day Forecast for Irkutsk
2026-08-24
Overcast
18° /
9°
2026-08-25
Sunny
21° /
10°
2026-08-26
Overcast
20° /
10°
2026-08-27
Overcast
18° /
9°
2026-08-28
Overcast
18° /
10°
2026-08-29
Sunny
20° /
11°
2026-08-30
Sunny
21° /
10°
Additional Forecasts for Irkutsk
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 134.0 μg/m³
O₃ (Ozone) 64.0 μg/m³
NO₂ (Nitrogen Dioxide) 0.9 μg/m³
SO₂ (Sulphur Dioxide) 1.5 μg/m³
PM2.5 (Fine particles) 4.0 μg/m³
PM10 (Coarse particles) 4.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Russia
Weather in Irkutsk — FAQ
Answers refreshed each request based on current conditions in Irkutsk.
What is the weather like right now in Irkutsk?
Right now in Irkutsk, Russia the temperature is 15.2°C (feels like 9.8°C), with partly cloudy. Relative humidity is 46% and wind is 20.5 km/h.
What is today's high and low temperature in Irkutsk?
Today's forecast high in Irkutsk is 18.0°C and the overnight low is 8.7°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Irkutsk today?
The chance of precipitation in Irkutsk today is 37%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Irkutsk differ from nearby cities?
Even short distances can change temperatures noticeably. Irkutsk's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.