Weather in Sesimbra on 15 August 2026
Preliminary outlook for 15 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +31°C and nighttime around +17°C, average precipitation 0 mm, wind around 5 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.
+23°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
| 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.) | +24°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 200° ↓ (SSW) |
Sunrise
06:51
Duration
13 h 39 min
Sunset
20:30
Moonrise
23:32
Moonset
13:17
Moon phase
Last Quarter
Illumination
51%
+24°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°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 | +19°C |
| Feels like (avg.) | +25°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 259° ↑ (N) |
Sunrise
06:51
Duration
13 h 39 min
Sunset
20:30
Moonrise
17:50
Moonset
01:50
Moon phase
Waxing Gibbous
Illumination
71%
+22°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 28% |
| Pressure (avg.) | 762 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.) | +23°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 333° ↖ (NNW) |
Sunrise
06:50
Duration
13 h 41 min
Sunset
20:31
Moonrise
05:51
Moonset
20:38
Moon phase
New Moon
Illumination
0%
+22°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 7% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 316° ↖ (NW) |
Sunrise
06:50
Duration
13 h 40 min
Sunset
20:30
Moonrise
22:44
Moonset
10:25
Moon phase
Waning Gibbous
Illumination
76%
+26°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 12% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 13 m/s | Wind direction (avg.) | 178° ↙ (SW) |
Sunrise
06:51
Duration
13 h 39 min
Sunset
20:30
Moonrise
13:49
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
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 10% |
| 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.) | 320° ↖ (NW) |
Sunrise
06:51
Duration
13 h 39 min
Sunset
20:30
Moonrise
02:58
Moonset
18:15
Moon phase
Waning Crescent
Illumination
16%
Weather in Sesimbra on 15 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
|
|
+23°C | 14 h | 6 | 65% | 3 — 4 m/s |
| 2024 |
|
|
+24°C | 14 h | 6 | 57% | 6 — 9 m/s |
| 2023 |
|
|
+22°C | 13 h | 6 | 73% | 4 — 8 m/s |
| 2022 |
|
|
+22°C | 14 h | 6 | 67% | 5 — 8 m/s |
| 2021 |
|
|
+26°C | 14 h | 7 | 47% | 5 — 7 m/s |
| 2020 |
|
|
+20°C | 14 h | 6 | 71% | 4 — 7 m/s |