Weather in Chiavari on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +26°C and nighttime around +23°C, average precipitation 0.3 mm, wind around 2 m/s, humidity around 73%.
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.
+25°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +24°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 28% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 230° ↓ (SSW) |
Sunrise
06:29
Duration
13 h 54 min
Sunset
20:23
Moonrise
00:15
Moonset
17:06
Moon phase
Last Quarter
Illumination
29%
+23°C
Weather archive — for 2024 year
Moderate rain at times
Weather archive — for 2024 year
Nighttime: +22°C
Sea temperature: +24°C
Precipitation: 1.2 mm
Wind: 3 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 86% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +24°C |
| Feels like (avg.) | +25°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 132° ↘ (SE) |
Sunrise
06:30
Duration
13 h 52 min
Sunset
20:22
Moonrise
20:04
Moonset
04:14
Moon phase
Waxing Gibbous
Illumination
93%
+27°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 69%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 7% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 137° ↓ (SSW) |
Sunrise
06:29
Duration
13 h 55 min
Sunset
20:24
Moonrise
08:34
Moonset
21:38
Moon phase
Waxing Crescent
Illumination
9%
+22°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 1 h |
| UV index | 6 | Cloud cover (avg.) | 65% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°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.) | 99° ← (WNW) |
Sunrise
06:29
Duration
13 h 54 min
Sunset
20:23
Moonrise
23:41
Moonset
13:52
Moon phase
Last Quarter
Illumination
54%
+25°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 16% |
| Pressure (avg.) | 759 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.) | 162° ↓ (SSW) |
Sunrise
06:29
Duration
13 h 54 min
Sunset
20:23
Moonrise
17:27
Moonset
01:10
Moon phase
Waxing Gibbous
Illumination
69%
+24°C
Weather archive — for 2020 year
Moderate rain at times
Weather archive — for 2020 year
Nighttime: +23°C
Precipitation: 0.6 mm
Wind: 3 — 5 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 4 h |
| UV index | 6 | Cloud cover (avg.) | 73% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 116° ↙ (SW) |
Sunrise
06:30
Duration
13 h 52 min
Sunset
20:22
Moonrise
05:15
Moonset
20:26
Moon phase
New Moon
Illumination
0%
Weather in Chiavari on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+27°C
|
+24°C
|
+25°C | 10 h | 6 | 68% | 2 — 3 m/s |
| 2024 |
+25°C
|
+22°C
|
+23°C | 1 h | 5 | 80% | 3 — 4 m/s |
| 2023 |
+29°C
|
+24°C
|
+27°C | 14 h | 7 | 69% | 2 — 2 m/s |
| 2022 |
+24°C
|
+21°C
|
+22°C | 1 h | 6 | 77% | 2 — 3 m/s |
| 2021 |
+27°C
|
+23°C
|
+25°C | 14 h | 6 | 67% | 2 — 2 m/s |
| 2020 |
+26°C
|
+23°C
|
+24°C | 4 h | 6 | 74% | 3 — 5 m/s |