Weather in Cascais on 13 August 2026
Preliminary outlook for 13 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +23°C and nighttime around +19°C, average precipitation 0 mm, wind around 7 m/s, humidity around 80%.
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.
+22°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +20°C
Precipitation: 0 mm
Wind: 7 — 9 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 10% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 15 m/s | Wind direction (avg.) | 263° ↖ (NNW) |
Sunrise
06:50
Duration
13 h 44 min
Sunset
20:34
Moonrise
22:36
Moonset
11:01
Moon phase
Waning Gibbous
Illumination
66%
+20°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +19°C
Sea temperature: +20°C
Precipitation: 0 mm
Wind: 6 — 8 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 27% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +20°C |
| Feels like (avg.) | +21°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 338° ↖ (NNW) |
Sunrise
06:50
Duration
13 h 44 min
Sunset
20:34
Moonrise
15:54
Moonset
00:29
Moon phase
First Quarter
Illumination
57%
+20°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 7 — 8 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 345° ↖ (NNW) |
Sunrise
06:49
Duration
13 h 46 min
Sunset
20:35
Moonrise
03:43
Moonset
19:28
Moon phase
Waning Crescent
Illumination
13%
+21°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 5 — 7 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 8% |
| 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.) | +18°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 341° ↖ (NNW) |
Sunrise
06:49
Duration
13 h 46 min
Sunset
20:35
Moonrise
21:49
Moonset
07:54
Moon phase
Full Moon
Illumination
100%
+21°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 7 — 8 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 175° ↖ (NNW) |
Sunrise
06:50
Duration
13 h 44 min
Sunset
20:34
Moonrise
11:38
Moonset
23:24
Moon phase
Waxing Crescent
Illumination
32%
+20°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 7 — 8 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 14% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 340° ↖ (NNW) |
Sunrise
06:50
Duration
13 h 44 min
Sunset
20:34
Moonrise
01:36
Moonset
16:27
Moon phase
Last Quarter
Illumination
30%
Weather in Cascais on 13 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+25°C
|
+20°C
|
+22°C | 14 h | 6 | 74% | 7 — 9 m/s |
| 2024 |
+21°C
|
+19°C
|
+20°C | 14 h | 5 | 85% | 6 — 8 m/s |
| 2023 |
+22°C
|
+18°C
|
+20°C | 14 h | 5 | 78% | 7 — 8 m/s |
| 2022 |
+25°C
|
+18°C
|
+21°C | 14 h | 6 | 81% | 5 — 7 m/s |
| 2021 |
+25°C
|
+18°C
|
+21°C | 14 h | 6 | 78% | 7 — 8 m/s |
| 2020 |
+22°C
|
+18°C
|
+20°C | 14 h | 5 | 84% | 7 — 8 m/s |