Weather in Nettuno on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +29°C and nighttime around +24°C, average precipitation 0.1 mm, wind around 4 m/s, humidity around 67%.
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: +21°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 58%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 12% |
| 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.) | +16°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 241° ↙ (WSW) |
Sunrise
06:21
Duration
13 h 43 min
Sunset
20:04
Moonrise
00:15
Moonset
16:38
Moon phase
Last Quarter
Illumination
29%
+27°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +25°C
Sea temperature: +27°C
Precipitation: 0.2 mm
Wind: 3 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 34% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +27°C |
| Feels like (avg.) | +29°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 291° ↙ (SW) |
Sunrise
06:22
Duration
13 h 42 min
Sunset
20:04
Moonrise
19:41
Moonset
04:11
Moon phase
Waxing Gibbous
Illumination
93%
+26°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 2% |
| 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.) | +19°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 297° ← (W) |
Sunrise
06:21
Duration
13 h 44 min
Sunset
20:05
Moonrise
08:23
Moonset
21:23
Moon phase
Waxing Crescent
Illumination
9%
+28°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 6 — 9 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 24% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 126° ↘ (SE) |
Sunrise
06:21
Duration
13 h 44 min
Sunset
20:05
Moonrise
23:35
Moonset
13:31
Moon phase
Last Quarter
Illumination
54%
+25°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +24°C
Precipitation: 0.1 mm
Wind: 3 — 4 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 73% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 220° ↙ (SW) |
Sunrise
06:21
Duration
13 h 43 min
Sunset
20:04
Moonrise
17:01
Moonset
01:07
Moon phase
Waxing Gibbous
Illumination
69%
+26°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 20% |
| 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.) | +20°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 269° ↙ (WSW) |
Sunrise
06:21
Duration
13 h 43 min
Sunset
20:04
Moonrise
05:10
Moonset
20:05
Moon phase
New Moon
Illumination
0%
Weather in Nettuno on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+29°C
|
+21°C
|
+25°C | 14 h | 7 | 58% | 3 — 4 m/s |
| 2024 |
+30°C
|
+25°C
|
+27°C | 11 h | 7 | 66% | 3 — 3 m/s |
| 2023 |
+30°C
|
+23°C
|
+26°C | 14 h | 7 | 63% | 3 — 4 m/s |
| 2022 |
+30°C
|
+25°C
|
+28°C | 14 h | 7 | 68% | 6 — 9 m/s |
| 2021 |
+27°C
|
+24°C
|
+25°C | 11 h | 6 | 70% | 3 — 4 m/s |
| 2020 |
+28°C
|
+24°C
|
+26°C | 14 h | 7 | 75% | 3 — 4 m/s |