Weather in Cagliari on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +33°C and nighttime around +23°C, average precipitation 0 mm, wind around 4 m/s, humidity around 60%.
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.
+27°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +24°C
Precipitation: 0.1 mm
Wind: 3 — 5 m/s
Humidity: 60%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 23% |
| Pressure (avg.) | 758 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.) | 5 m/s | Wind direction (avg.) | 234° ↘ (SSE) |
Sunrise
06:39
Duration
13 h 35 min
Sunset
20:14
Moonrise
00:38
Moonset
16:43
Moon phase
Last Quarter
Illumination
29%
+26°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +22°C
Sea temperature: +26°C
Precipitation: 0.1 mm
Wind: 5 — 7 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 34% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +26°C |
| Feels like (avg.) | +28°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 317° ↖ (NNW) |
Sunrise
06:39
Duration
13 h 35 min
Sunset
20:14
Moonrise
19:49
Moonset
04:34
Moon phase
Waxing Gibbous
Illumination
93%
+28°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 54%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°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.) | +17°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 142° ↘ (SSE) |
Sunrise
06:39
Duration
13 h 36 min
Sunset
20:15
Moonrise
08:40
Moonset
21:36
Moon phase
Waxing Crescent
Illumination
9%
+30°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 58%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +36°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 34% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 193° ↘ (SSE) |
Sunrise
06:39
Duration
13 h 36 min
Sunset
20:15
Moonrise
23:55
Moonset
13:41
Moon phase
Last Quarter
Illumination
54%
+25°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 6 — 9 m/s
Humidity: 58%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 311° ↖ (NW) |
Sunrise
06:39
Duration
13 h 36 min
Sunset
20:15
Moonrise
17:08
Moonset
01:30
Moon phase
Waxing Gibbous
Illumination
69%
+28°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 61%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 318° ← (WNW) |
Sunrise
06:39
Duration
13 h 35 min
Sunset
20:14
Moonrise
05:31
Moonset
20:14
Moon phase
New Moon
Illumination
0%
Weather in Cagliari on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+31°C
|
+24°C
|
+27°C | 12 h | 7 | 60% | 3 — 5 m/s |
| 2024 |
+31°C
|
+22°C
|
+26°C | 14 h | 6 | 68% | 5 — 7 m/s |
| 2023 |
+33°C
|
+23°C
|
+28°C | 14 h | 7 | 54% | 4 — 6 m/s |
| 2022 |
+36°C
|
+24°C
|
+30°C | 14 h | 7 | 58% | 4 — 6 m/s |
| 2021 |
+30°C
|
+21°C
|
+25°C | 14 h | 6 | 58% | 6 — 9 m/s |
| 2020 |
+34°C
|
+21°C
|
+28°C | 14 h | 7 | 61% | 4 — 6 m/s |