Weather in Civitavecchia 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 +24°C, average precipitation 1.5 mm, wind around 4 m/s, humidity around 71%.
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: +22°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 156° ↙ (WSW) |
Sunrise
06:24
Duration
13 h 45 min
Sunset
20:09
Moonrise
00:15
Moonset
16:44
Moon phase
Last Quarter
Illumination
29%
+26°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +24°C
Sea temperature: +25°C
Precipitation: 1 mm
Wind: 4 — 6 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 54% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +25°C |
| 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.) | 147° ↙ (SW) |
Sunrise
06:24
Duration
13 h 44 min
Sunset
20:08
Moonrise
19:46
Moonset
04:13
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 — 5 m/s
Humidity: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 3% |
| 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.) | +19°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 262° ← (W) |
Sunrise
06:23
Duration
13 h 46 min
Sunset
20:09
Moonrise
08:26
Moonset
21:27
Moon phase
Waxing Crescent
Illumination
9%
+27°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +25°C
Precipitation: 8 mm
Wind: 7 — 11 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 39% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 137° ↘ (SSE) |
Sunrise
06:23
Duration
13 h 46 min
Sunset
20:09
Moonrise
23:37
Moonset
13:36
Moon phase
Last Quarter
Illumination
54%
+25°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 1 h |
| UV index | 7 | Cloud cover (avg.) | 75% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 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.) | 6 m/s | Wind direction (avg.) | 193° ↙ (SW) |
Sunrise
06:23
Duration
13 h 46 min
Sunset
20:09
Moonrise
17:07
Moonset
01:08
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 — 4 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 38% |
| 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.) | 5 m/s | Wind direction (avg.) | 159° ↙ (SW) |
Sunrise
06:24
Duration
13 h 44 min
Sunset
20:08
Moonrise
05:12
Moonset
20:10
Moon phase
New Moon
Illumination
0%
Weather in Civitavecchia on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+27°C
|
+22°C
|
+25°C | 14 h | 6 | 63% | 2 — 4 m/s |
| 2024 |
+27°C
|
+24°C
|
+26°C | 10 h | 7 | 71% | 4 — 6 m/s |
| 2023 |
+29°C
|
+23°C
|
+26°C | 14 h | 7 | 63% | 3 — 5 m/s |
| 2022 |
+29°C
|
+25°C
|
+27°C | 14 h | 7 | 79% | 7 — 11 m/s |
| 2021 |
+27°C
|
+24°C
|
+25°C | 1 h | 7 | 76% | 3 — 4 m/s |
| 2020 |
+27°C
|
+23°C
|
+25°C | 12 h | 6 | 76% | 3 — 4 m/s |