Weather in Positano 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 +25°C, average precipitation 1 mm, wind around 3 m/s, humidity around 66%.
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.
+26°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +24°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 55%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 25% |
| 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.) | +16°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 86° ↙ (WSW) |
Sunrise
06:15
Duration
13 h 40 min
Sunset
19:55
Moonrise
00:10
Moonset
16:26
Moon phase
Last Quarter
Illumination
29%
+28°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +27°C
Sea temperature: +26°C
Precipitation: 6.1 mm
Wind: 4 — 7 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 46% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +26°C |
| Feels like (avg.) | +29°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 265° ↙ (WSW) |
Sunrise
06:16
Duration
13 h 39 min
Sunset
19:55
Moonrise
19:31
Moonset
04:07
Moon phase
Waxing Gibbous
Illumination
93%
+26°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 5% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 235° ↙ (WSW) |
Sunrise
06:15
Duration
13 h 41 min
Sunset
19:56
Moonrise
08:16
Moonset
21:15
Moon phase
Waxing Crescent
Illumination
9%
+29°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +27°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 10% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 125° ↘ (SSE) |
Sunrise
06:15
Duration
13 h 41 min
Sunset
19:56
Moonrise
23:30
Moonset
13:21
Moon phase
Last Quarter
Illumination
54%
+25°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +23°C
Precipitation: 0.1 mm
Wind: 4 — 4 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 20% |
| 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.) | +20°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 295° ← (W) |
Sunrise
06:15
Duration
13 h 40 min
Sunset
19:55
Moonrise
16:50
Moonset
01:02
Moon phase
Waxing Gibbous
Illumination
69%
+25°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 73%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 18% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 279° ← (WNW) |
Sunrise
06:16
Duration
13 h 39 min
Sunset
19:55
Moonrise
05:05
Moonset
19:55
Moon phase
New Moon
Illumination
0%
Weather in Positano on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+28°C
|
+24°C
|
+26°C | 11 h | 7 | 55% | 3 — 5 m/s |
| 2024 |
+29°C
|
+27°C
|
+28°C | 11 h | 7 | 67% | 4 — 7 m/s |
| 2023 |
+27°C
|
+25°C
|
+26°C | 13 h | 7 | 72% | 2 — 4 m/s |
| 2022 |
+32°C
|
+27°C
|
+29°C | 13 h | 7 | 63% | 3 — 3 m/s |
| 2021 |
+27°C
|
+23°C
|
+25°C | 13 h | 6 | 68% | 4 — 4 m/s |
| 2020 |
+27°C
|
+23°C
|
+25°C | 12 h | 7 | 73% | 3 — 5 m/s |