Weather in Portici on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +31°C and nighttime around +24°C, average precipitation 0.1 mm, wind around 3 m/s, humidity around 59%.
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: +23°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 53%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 26% |
| 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.) | +15°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 79° ↙ (SW) |
Sunrise
06:16
Duration
13 h 40 min
Sunset
19:56
Moonrise
00:10
Moonset
16:28
Moon phase
Last Quarter
Illumination
29%
+29°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +26°C
Sea temperature: +27°C
Precipitation: 0.3 mm
Wind: 3 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 9 h |
| UV index | 7 | Cloud cover (avg.) | 48% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +27°C |
| Feels like (avg.) | +31°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 255° ↙ (SW) |
Sunrise
06:16
Duration
13 h 40 min
Sunset
19:56
Moonrise
19:32
Moonset
04:07
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 — 3 m/s
Humidity: 61%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 4% |
| 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.) | +19°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 230° ↙ (SW) |
Sunrise
06:15
Duration
13 h 42 min
Sunset
19:57
Moonrise
08:16
Moonset
21:16
Moon phase
Waxing Crescent
Illumination
9%
+30°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 53%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +36°C | Sun hours | 13 h |
| UV index | 8 | Cloud cover (avg.) | 12% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 130° ↓ (SSW) |
Sunrise
06:15
Duration
13 h 42 min
Sunset
19:57
Moonrise
23:30
Moonset
13:22
Moon phase
Last Quarter
Illumination
54%
+27°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +23°C
Precipitation: 0.3 mm
Wind: 3 — 4 m/s
Humidity: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 28% |
| 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.) | +19°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 281° ↙ (WSW) |
Sunrise
06:16
Duration
13 h 40 min
Sunset
19:56
Moonrise
16:52
Moonset
01:02
Moon phase
Waxing Gibbous
Illumination
69%
+26°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: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 22% |
| 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.) | +27°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 260° ← (W) |
Sunrise
06:16
Duration
13 h 40 min
Sunset
19:56
Moonrise
05:05
Moonset
19:56
Moon phase
New Moon
Illumination
0%
Weather in Portici on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+31°C
|
+23°C
|
+26°C | 10 h | 7 | 53% | 2 — 4 m/s |
| 2024 |
+31°C
|
+26°C
|
+29°C | 9 h | 7 | 59% | 3 — 4 m/s |
| 2023 |
+31°C
|
+24°C
|
+27°C | 13 h | 7 | 61% | 2 — 3 m/s |
| 2022 |
+36°C
|
+25°C
|
+30°C | 13 h | 8 | 53% | 3 — 4 m/s |
| 2021 |
+29°C
|
+23°C
|
+27°C | 11 h | 7 | 63% | 3 — 4 m/s |
| 2020 |
+29°C
|
+23°C
|
+26°C | 10 h | 7 | 67% | 3 — 5 m/s |