Weather in El Masnou on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +27°C and nighttime around +23°C, average precipitation 1 mm, wind around 2 m/s, humidity around 62%.
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.
+29°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +28°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 47%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 6% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 139° ↘ (SE) |
Sunrise
07:03
Duration
13 h 43 min
Sunset
20:46
Moonrise
00:57
Moonset
17:21
Moon phase
Last Quarter
Illumination
29%
+24°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +22°C
Sea temperature: +28°C
Precipitation: 0.3 mm
Wind: 3 — 5 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 5 h |
| UV index | 6 | Cloud cover (avg.) | 60% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +28°C |
| Feels like (avg.) | +27°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 166° → (ESE) |
Sunrise
07:03
Duration
13 h 42 min
Sunset
20:45
Moonrise
20:23
Moonset
04:55
Moon phase
Waxing Gibbous
Illumination
93%
+26°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 10% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 119° ↘ (SE) |
Sunrise
07:02
Duration
13 h 44 min
Sunset
20:46
Moonrise
09:06
Moonset
22:05
Moon phase
Waxing Crescent
Illumination
9%
+23°C
Weather archive — for 2022 year
Moderate or heavy rain shower
Weather archive — for 2022 year
Nighttime: +20°C
Precipitation: 5.7 mm
Wind: 2 — 3 m/s
Humidity: 57%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 6 h |
| UV index | 5 | Cloud cover (avg.) | 66% |
| 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.) | +24°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 191° ↓ (SSW) |
Sunrise
07:02
Duration
13 h 44 min
Sunset
20:46
Moonrise
Does not rise today
Moonset
14:14
Moon phase
Last Quarter
Illumination
54%
+24°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: 63%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 4% |
| 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.) | +17°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 106° → (ESE) |
Sunrise
07:03
Duration
13 h 43 min
Sunset
20:46
Moonrise
17:44
Moonset
01:50
Moon phase
Waxing Gibbous
Illumination
69%
+25°C
Weather archive — for 2020 year
Overcast
Weather archive — for 2020 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 60%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 42% |
| Pressure (avg.) | 760 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.) | 5 m/s | Wind direction (avg.) | 144° ↘ (SE) |
Sunrise
07:03
Duration
13 h 42 min
Sunset
20:45
Moonrise
05:53
Moonset
20:47
Moon phase
New Moon
Illumination
0%
Weather in El Masnou on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+30°C
|
+28°C
|
+29°C | 12 h | 7 | 47% | 2 — 3 m/s |
| 2024 |
+27°C
|
+22°C
|
+24°C | 5 h | 6 | 75% | 3 — 5 m/s |
| 2023 |
+29°C
|
+24°C
|
+26°C | 13 h | 7 | 67% | 2 — 3 m/s |
| 2022 |
+26°C
|
+20°C
|
+23°C | 6 h | 5 | 57% | 2 — 3 m/s |
| 2021 |
+25°C
|
+22°C
|
+24°C | 13 h | 6 | 63% | 2 — 3 m/s |
| 2020 |
+26°C
|
+23°C
|
+25°C | 10 h | 7 | 60% | 2 — 3 m/s |