Weather in Portovenere on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +27°C and nighttime around +21°C, average precipitation 1.8 mm, wind around 2 m/s, humidity around 72%.
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.
+23°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +19°C
Precipitation: 0.2 mm
Wind: 2 — 4 m/s
Humidity: 66%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 13 h |
| UV index | 5 | Cloud cover (avg.) | 33% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 184° ↙ (WSW) |
Sunrise
06:28
Duration
13 h 52 min
Sunset
20:20
Moonrise
00:15
Moonset
17:02
Moon phase
Last Quarter
Illumination
29%
+22°C
Weather archive — for 2024 year
Moderate or heavy rain shower
Weather archive — for 2024 year
Nighttime: +19°C
Sea temperature: +25°C
Precipitation: 9.6 mm
Wind: 2 — 5 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 86% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +25°C |
| Feels like (avg.) | +24°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 138° ↘ (SSE) |
Sunrise
06:28
Duration
13 h 52 min
Sunset
20:20
Moonrise
20:00
Moonset
04:13
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: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 8% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 138° ↙ (SW) |
Sunrise
06:27
Duration
13 h 54 min
Sunset
20:21
Moonrise
08:32
Moonset
21:36
Moon phase
Waxing Crescent
Illumination
9%
+24°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +21°C
Precipitation: 0.4 mm
Wind: 3 — 4 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 1 h |
| UV index | 6 | Cloud cover (avg.) | 63% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 50° → (ESE) |
Sunrise
06:27
Duration
13 h 54 min
Sunset
20:21
Moonrise
23:39
Moonset
13:49
Moon phase
Last Quarter
Illumination
54%
+24°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 69%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 32% |
| 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.) | 6 m/s | Wind direction (avg.) | 192° ← (W) |
Sunrise
06:28
Duration
13 h 52 min
Sunset
20:20
Moonrise
17:24
Moonset
01:09
Moon phase
Waxing Gibbous
Illumination
69%
+23°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +21°C
Precipitation: 0.6 mm
Wind: 2 — 3 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 4 h |
| UV index | 5 | Cloud cover (avg.) | 77% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 190° ↓ (S) |
Sunrise
06:28
Duration
13 h 52 min
Sunset
20:20
Moonrise
05:14
Moonset
20:23
Moon phase
New Moon
Illumination
0%
Weather in Portovenere on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+28°C
|
+19°C
|
+23°C | 13 h | 5 | 66% | 2 — 4 m/s |
| 2024 |
+24°C
|
+19°C
|
+22°C | 1 h | 5 | 83% | 2 — 5 m/s |
| 2023 |
+30°C
|
+24°C
|
+27°C | 14 h | 7 | 65% | 2 — 2 m/s |
| 2022 |
+27°C
|
+21°C
|
+24°C | 1 h | 6 | 72% | 3 — 4 m/s |
| 2021 |
+26°C
|
+22°C
|
+24°C | 14 h | 6 | 69% | 2 — 3 m/s |
| 2020 |
+25°C
|
+21°C
|
+23°C | 4 h | 5 | 78% | 2 — 3 m/s |