Italy / Genoa / 18 August

Weather in Genoa on 18 August 2026

Preliminary outlook for 18 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +28°C and nighttime around +20°C, average precipitation 2.2 mm, wind around 3 m/s, humidity around 74%.

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.

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Nearby days
19 August →
+25°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +20°C Precipitation: 0.2 mm Wind: 2 — 3 m/s Humidity: 66%
MetricValue MetricValue
Day temperature (max.) +30°C Sun hours 13 h
UV index 5 Cloud cover (avg.) 27%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +27°C Dew point (avg.) +18°C
Heat index (avg.) +27°C Wind chill (avg.) +25°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 203° ↓ (SSW)
Sunrise
06:31
Duration
13 h 53 min
Sunset
20:24
Moonrise
00:16
Moonset
17:08
Moon phase
Last Quarter
Illumination
29%
+21°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +18°C Sea temperature: +24°C Precipitation: 2.8 mm Wind: 3 — 4 m/s
MetricValue MetricValue
Day temperature (max.) +24°C Sun hours 1 h
UV index 5 Cloud cover (avg.) 89%
Pressure (avg.) 756 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +24°C
Feels like (avg.) +24°C Dew point (avg.) +20°C
Heat index (avg.) +24°C Wind chill (avg.) +23°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 99° ↗ (ENE)
Sunrise
06:31
Duration
13 h 53 min
Sunset
20:24
Moonrise
20:05
Moonset
04:16
Moon phase
Waxing Gibbous
Illumination
93%
+26°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +22°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 72%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 22%
Pressure (avg.) 762 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +29°C Dew point (avg.) +21°C
Heat index (avg.) +29°C Wind chill (avg.) +26°C
Wind gusts (max.) 5 m/s Wind direction (avg.) 294° ↙ (SW)
Sunrise
06:30
Duration
13 h 55 min
Sunset
20:25
Moonrise
08:35
Moonset
21:40
Moon phase
Waxing Crescent
Illumination
9%
+22°C
Weather archive — for 2022 year
Heavy rain at times
Weather archive — for 2022 year
Nighttime: +19°C Precipitation: 1.1 mm Wind: 4 — 6 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +27°C Sun hours 3 h
UV index 5 Cloud cover (avg.) 81%
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.) +19°C
Heat index (avg.) +24°C Wind chill (avg.) +23°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 256° ↘ (SSE)
Sunrise
06:30
Duration
13 h 55 min
Sunset
20:25
Moonrise
23:42
Moonset
13:54
Moon phase
Last Quarter
Illumination
54%
+24°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +20°C Precipitation: 0 mm Wind: 3 — 5 m/s Humidity: 67%
MetricValue MetricValue
Day temperature (max.) +29°C Sun hours 14 h
UV index 6 Cloud cover (avg.) 13%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +26°C Dew point (avg.) +17°C
Heat index (avg.) +26°C Wind chill (avg.) +25°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 256° ↖ (NW)
Sunrise
06:31
Duration
13 h 53 min
Sunset
20:24
Moonrise
17:29
Moonset
01:11
Moon phase
Waxing Gibbous
Illumination
69%
+24°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +21°C Precipitation: 9 mm Wind: 3 — 4 m/s Humidity: 76%
MetricValue MetricValue
Day temperature (max.) +28°C Sun hours 10 h
UV index 5 Cloud cover (avg.) 59%
Pressure (avg.) 757 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +24°C Dew point (avg.) +19°C
Heat index (avg.) +25°C Wind chill (avg.) +23°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 176° ↙ (WSW)
Sunrise
06:31
Duration
13 h 53 min
Sunset
20:24
Moonrise
05:16
Moonset
20:28
Moon phase
New Moon
Illumination
0%

Weather in Genoa on 18 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +30°C +20°C +25°C 13 h 5 66% 2 — 3 m/s
2024 +24°C +18°C +21°C 1 h 5 87% 3 — 4 m/s
2023 +31°C +22°C +26°C 14 h 6 72% 2 — 3 m/s
2022 +27°C +19°C +22°C 3 h 5 76% 4 — 6 m/s
2021 +29°C +20°C +24°C 14 h 6 67% 3 — 5 m/s
2020 +28°C +21°C +24°C 10 h 5 76% 3 — 4 m/s