Russia / Moscow / 18 August

Weather in Moscow on 18 August 2026

Preliminary outlook for 18 August 2026

A preliminary estimate based on the 2019–2025 archive: daytime around +25°C and nighttime around +17°C, average precipitation 0.8 mm, wind around 3 m/s, humidity around 61%.

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.

← 17 August
Nearby days
19 August →
+15°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +11°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 65%
MetricValue MetricValue
Day temperature (max.) +19°C Sun hours 10 h
UV index 4 Cloud cover (avg.) 51%
Pressure (avg.) 755 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +15°C Dew point (avg.) +8°C
Heat index (avg.) +15°C Wind chill (avg.) +15°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 293° ↖ (NW)
Sunrise
05:07
Duration
14 h 51 min
Sunset
19:58
Moonrise
23:12
Moonset
18:01
Moon phase
Last Quarter
Illumination
29%
+21°C
Weather archive — for 2024 year
Cloudy
Weather archive — for 2024 year
Nighttime: +17°C Precipitation: 0 mm Wind: 4 — 5 m/s Humidity: 72%
MetricValue MetricValue
Day temperature (max.) +26°C Sun hours 11 h
UV index 5 Cloud cover (avg.) 50%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 9 km Sea temperature
Feels like (avg.) +22°C Dew point (avg.) +16°C
Heat index (avg.) +22°C Wind chill (avg.) +21°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 282° ← (WNW)
Sunrise
05:08
Duration
14 h 50 min
Sunset
19:58
Moonrise
20:02
Moonset
02:08
Moon phase
Waxing Gibbous
Illumination
93%
+23°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C Precipitation: 0 mm Wind: 2 — 4 m/s Humidity: 56%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 10 h
UV index 6 Cloud cover (avg.) 28%
Pressure (avg.) 767 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +23°C Dew point (avg.) +16°C
Heat index (avg.) +23°C Wind chill (avg.) +22°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 205° ↖ (NNW)
Sunrise
05:06
Duration
14 h 53 min
Sunset
19:59
Moonrise
06:56
Moonset
20:50
Moon phase
Waxing Crescent
Illumination
9%
+24°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +19°C Precipitation: 0 mm Wind: 4 — 5 m/s Humidity: 42%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 8%
Pressure (avg.) 764 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +24°C Dew point (avg.) +10°C
Heat index (avg.) +25°C Wind chill (avg.) +24°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 84° → (E)
Sunrise
05:07
Duration
14 h 52 min
Sunset
19:59
Moonrise
22:00
Moonset
13:25
Moon phase
Waning Gibbous
Illumination
54%
+25°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +21°C Precipitation: 0 mm Wind: 4 — 5 m/s Humidity: 52%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 10 h
UV index 6 Cloud cover (avg.) 29%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +24°C Dew point (avg.) +16°C
Heat index (avg.) +25°C Wind chill (avg.) +24°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 181° ↓ (S)
Sunrise
05:07
Duration
14 h 51 min
Sunset
19:58
Moonrise
18:06
Moonset
No moonset
Moon phase
Waxing Gibbous
Illumination
69%
+18°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +14°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 49%
MetricValue MetricValue
Day temperature (max.) +21°C Sun hours 14 h
UV index 5 Cloud cover (avg.) 7%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +16°C Dew point (avg.) +8°C
Heat index (avg.) +16°C Wind chill (avg.) +16°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 255° ↖ (NW)
Sunrise
05:08
Duration
14 h 50 min
Sunset
19:58
Moonrise
03:25
Moonset
20:14
Moon phase
New Moon
Illumination
0%
+18°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +16°C Precipitation: 5.9 mm Wind: 5 — 6 m/s Humidity: 88%
MetricValue MetricValue
Day temperature (max.) +22°C Sun hours 5 h
UV index 4 Cloud cover (avg.) 90%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 8 km Sea temperature
Feels like (avg.) +18°C Dew point (avg.) +16°C
Heat index (avg.) +19°C Wind chill (avg.) +18°C
Wind gusts (max.) 10 m/s Wind direction (avg.) 125° ↘ (SE)
Sunrise
05:06
Duration
14 h 53 min
Sunset
19:59
Moonrise
21:19
Moonset
07:50
Moon phase
Waning Gibbous
Illumination
78%

Weather in Moscow on 18 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +19°C +11°C +15°C 10 h 4 65% 3 — 4 m/s
2024 +26°C +17°C +21°C 11 h 5 72% 4 — 5 m/s
2023 +29°C +18°C +23°C 10 h 6 56% 2 — 4 m/s
2022 +30°C +19°C +24°C 14 h 6 42% 4 — 5 m/s
2021 +31°C +21°C +25°C 10 h 6 52% 4 — 5 m/s
2020 +21°C +14°C +18°C 14 h 5 49% 2 — 3 m/s
2019 +22°C +16°C +18°C 5 h 4 88% 5 — 6 m/s