Weather in Portimao on 15 August 2026
Preliminary outlook for 15 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +30°C and nighttime around +18°C, average precipitation 0 mm, wind around 4 m/s, humidity around 63%.
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.
+24°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +20°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 189° ↘ (SSE) |
Sunrise
06:51
Duration
13 h 35 min
Sunset
20:26
Moonrise
23:33
Moonset
13:12
Moon phase
Last Quarter
Illumination
51%
+23°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +18°C
Sea temperature: +21°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +21°C |
| Feels like (avg.) | +26°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 286° ↘ (SSE) |
Sunrise
06:51
Duration
13 h 34 min
Sunset
20:25
Moonrise
17:42
Moonset
01:53
Moon phase
Waxing Gibbous
Illumination
71%
+23°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +16°C
Precipitation: 0 mm
Wind: 5 — 8 m/s
Humidity: 70%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 16% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 330° ← (WNW) |
Sunrise
06:50
Duration
13 h 36 min
Sunset
20:26
Moonrise
05:52
Moonset
20:32
Moon phase
New Moon
Illumination
0%
+22°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 5 — 7 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 315° ← (WNW) |
Sunrise
06:50
Duration
13 h 36 min
Sunset
20:26
Moonrise
22:42
Moonset
10:23
Moon phase
Waning Gibbous
Illumination
76%
+30°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 32%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +38°C | Sun hours | 14 h |
| UV index | 8 | Cloud cover (avg.) | 11% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 215° ↓ (S) |
Sunrise
06:51
Duration
13 h 35 min
Sunset
20:26
Moonrise
13:44
Moonset
Does not set today
Moon phase
First Quarter
Illumination
47%
+20°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +16°C
Precipitation: 0 mm
Wind: 5 — 7 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 8% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 325° ↖ (NW) |
Sunrise
06:51
Duration
13 h 34 min
Sunset
20:25
Moonrise
03:00
Moonset
18:08
Moon phase
Waning Crescent
Illumination
16%
Weather in Portimao on 15 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+29°C
|
+20°C
|
+24°C | 14 h | 6 | 70% | 2 — 2 m/s |
| 2024 |
+29°C
|
+18°C
|
+23°C | 14 h | 6 | 58% | 4 — 5 m/s |
| 2023 |
+30°C
|
+16°C
|
+23°C | 14 h | 6 | 70% | 5 — 8 m/s |
| 2022 |
+29°C
|
+17°C
|
+22°C | 14 h | 6 | 72% | 5 — 7 m/s |
| 2021 |
+38°C
|
+23°C
|
+30°C | 14 h | 8 | 32% | 4 — 6 m/s |
| 2020 |
+26°C
|
+16°C
|
+20°C | 14 h | 6 | 74% | 5 — 7 m/s |