Weather in Irkutsk on 15 August 2026
Preliminary outlook for 15 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +24°C and nighttime around +13°C, average precipitation 0.1 mm, wind around 2 m/s, humidity around 75%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+18°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +10°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 55%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 15 h |
| UV index | 5 | Cloud cover (avg.) | 7% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +8°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 159° ↘ (SSE) |
Sunrise
05:46
Duration
14 h 41 min
Sunset
20:27
Moonrise
22:15
Moonset
13:33
Moon phase
Last Quarter
Illumination
51%
+18°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +12°C
Precipitation: 0.4 mm
Wind: 3 — 3 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 15 h |
| UV index | 4 | Cloud cover (avg.) | 49% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 6 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 293° ↖ (NW) |
Sunrise
05:46
Duration
14 h 41 min
Sunset
20:27
Moonrise
18:05
Moonset
No moonset
Moon phase
Waxing Gibbous
Illumination
71%
+19°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
Nighttime: +15°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 7 h |
| UV index | 4 | Cloud cover (avg.) | 78% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 268° ← (WNW) |
Sunrise
05:45
Duration
14 h 43 min
Sunset
20:28
Moonrise
03:45
Moonset
20:37
Moon phase
New Moon
Illumination
0%
+19°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 54% |
| Pressure (avg.) | 754 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 178° ↗ (NE) |
Sunrise
05:46
Duration
14 h 42 min
Sunset
20:28
Moonrise
22:03
Moonset
09:33
Moon phase
Waning Gibbous
Illumination
76%
+18°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +15°C
Precipitation: 0.1 mm
Wind: 2 — 3 m/s
Humidity: 83%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 7 h |
| UV index | 5 | Cloud cover (avg.) | 58% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 225° ← (W) |
Sunrise
05:46
Duration
14 h 41 min
Sunset
20:27
Moonrise
13:54
Moonset
23:14
Moon phase
First Quarter
Illumination
47%
+19°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +14°C
Precipitation: 0.4 mm
Wind: 1 — 1 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 9 h |
| UV index | 4 | Cloud cover (avg.) | 74% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 271° ↖ (NW) |
Sunrise
05:46
Duration
14 h 41 min
Sunset
20:27
Moonrise
00:59
Moonset
18:10
Moon phase
Waning Crescent
Illumination
16%
+13°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +8°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +18°C | Sun hours | 15 h |
| UV index | 4 | Cloud cover (avg.) | 31% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +13°C | Dew point (avg.) | +9°C |
| Heat index (avg.) | +14°C | Wind chill (avg.) | +13°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 262° ↖ (NW) |
Sunrise
05:45
Duration
14 h 43 min
Sunset
20:28
Moonrise
20:45
Moonset
04:57
Moon phase
Full Moon
Illumination
100%
Weather in Irkutsk on 15 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+27°C
|
+10°C
|
+18°C | 15 h | 5 | 55% | 2 — 3 m/s |
| 2024 |
+24°C
|
+12°C
|
+18°C | 15 h | 4 | 74% | 3 — 3 m/s |
| 2023 |
+25°C
|
+15°C
|
+19°C | 7 h | 4 | 84% | 3 — 5 m/s |
| 2022 |
+28°C
|
+14°C
|
+19°C | 12 h | 5 | 81% | 2 — 3 m/s |
| 2021 |
+21°C
|
+15°C
|
+18°C | 7 h | 5 | 83% | 2 — 3 m/s |
| 2020 |
+23°C
|
+14°C
|
+19°C | 9 h | 4 | 75% | 1 — 1 m/s |
| 2019 |
+18°C
|
+8°C
|
+13°C | 15 h | 4 | 76% | 2 — 3 m/s |