Weather in Portoroz on 9 August 2026
Preliminary outlook for 9 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +31°C and nighttime around +21°C, average precipitation 0 mm, wind around 3 m/s, humidity around 61%.
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: +21°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 57%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 15 h |
| UV index | 7 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 764 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.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 182° ← (W) |
Sunrise
05:59
Duration
14 h 23 min
Sunset
20:22
Moonrise
20:45
Moonset
05:48
Moon phase
Full Moon
Illumination
100%
+27°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +20°C
Sea temperature: +28°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 26% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +28°C |
| Feels like (avg.) | +28°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 118° ↑ (NNE) |
Sunrise
05:59
Duration
14 h 23 min
Sunset
20:22
Moonrise
11:20
Moonset
22:28
Moon phase
Waxing Crescent
Illumination
28%
+22°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 24% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 211° ↑ (N) |
Sunrise
05:58
Duration
14 h 25 min
Sunset
20:23
Moonrise
Does not rise today
Moonset
15:13
Moon phase
Last Quarter
Illumination
42%
+26°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 54%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 28% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 73° ↗ (ENE) |
Sunrise
05:59
Duration
14 h 24 min
Sunset
20:23
Moonrise
18:43
Moonset
01:49
Moon phase
Waxing Gibbous
Illumination
81%
+25°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 6% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 119° ↘ (SSE) |
Sunrise
05:59
Duration
14 h 23 min
Sunset
20:22
Moonrise
06:37
Moonset
21:22
Moon phase
Waxing Crescent
Illumination
3%
+27°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 59%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 10% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 142° ↓ (SSW) |
Sunrise
05:59
Duration
14 h 23 min
Sunset
20:22
Moonrise
23:24
Moonset
12:04
Moon phase
Waning Gibbous
Illumination
59%
Weather in Portoroz on 9 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+33°C
|
+21°C
|
+27°C | 15 h | 7 | 57% | 2 — 2 m/s |
| 2024 |
+33°C
|
+20°C
|
+27°C | 15 h | 6 | 65% | 2 — 3 m/s |
| 2023 |
+27°C
|
+17°C
|
+22°C | 15 h | 6 | 65% | 2 — 2 m/s |
| 2022 |
+32°C
|
+22°C
|
+26°C | 15 h | 6 | 54% | 5 — 6 m/s |
| 2021 |
+30°C
|
+22°C
|
+25°C | 15 h | 6 | 68% | 2 — 3 m/s |
| 2020 |
+33°C
|
+23°C
|
+27°C | 14 h | 7 | 59% | 2 — 4 m/s |