Weather in Piraeus on 21 July 2026
Hourly weather for 21 July 2026
The hourly forecast for Piraeus on 21 July 2026 shows temperatures from +27.8°C to +35.6°C.
Key figures: precipitation 0 mm, wind 1 — 3 m/s, average humidity 47%.
+33.2°C
Hourly weather — 2026
Clear/Sunny
Current weather forecast
Hourly weather — 2026
Nighttime: +27.8°C
Sea temperature: +29°C
Precipitation: 0 mm
Wind: 1 — 3 m/s
Humidity: 47%
Precipitation: 0 mm
Wind: 1 — 3 m/s
Humidity: 47%
Hourly weather
21 July
00:00
+29.5°C
1 m/s
01:00
+28.9°C
1 m/s
02:00
+28.5°C
1 m/s
03:00
+28.3°C
1 m/s
04:00
+28°C
1 m/s
05:00
+27.8°C
1 m/s
06:00
+27.9°C
1 m/s
07:00
+28.8°C
1 m/s
08:00
+30.3°C
1 m/s
09:00
+32.1°C
1 m/s
10:00
+33.2°C
1 m/s
11:00
+34.1°C
1 m/s
12:00
+34.8°C
1 m/s
13:00
+35.3°C
2 m/s
14:00
+35.6°C
2 m/s
15:00
+35.6°C
3 m/s
16:00
+35.5°C
3 m/s
17:00
+35.2°C
3 m/s
18:00
+34.4°C
2 m/s
19:00
+33.3°C
3 m/s
20:00
+32.1°C
2 m/s
21:00
+31.2°C
1 m/s
22:00
+30.5°C
1 m/s
23:00
+30°C
1 m/s
| July 21, 2026 |
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Now
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23:00
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | +29.5°C | +28.9°C | +28.5°C | +28.3°C | +28°C | +27.8°C | +27.9°C | +28.8°C | +30.3°C | +32.1°C | +33.2°C | +34.1°C | +34.8°C | +35.3°C | +35.6°C | +35.6°C | +35.5°C | +35.2°C | +34.4°C | +33.3°C | +32.1°C | +31.2°C | +30.5°C | +30°C |
| Feels like | +31.1°C | +30.4°C | +29.8°C | +29.5°C | +29.2°C | +29°C | +29.1°C | +30.1°C | +31.9°C | +34°C | +35.3°C | +36.3°C | +37.1°C | +37.8°C | +38.3°C | +38.5°C | +38.7°C | +38.4°C | +37.6°C | +36.5°C | +35.2°C | +34.2°C | +33.3°C | +32.7°C |
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
| Humidity | 52% | 54% | 54% | 54% | 55% | 55% | 54% | 53% | 49% | 45% | 42% | 39% | 38% | 37% | 37% | 38% | 38% | 40% | 42% | 46% | 50% | 53% | 55% | 57% |
| Wind | 1 m/s | 1 m/s | 1 m/s | 1 m/s | 1 m/s | 1 m/s | 1 m/s | 1 m/s | 1 m/s | 1 m/s | 1 m/s | 1 m/s | 1 m/s | 2 m/s | 2 m/s | 3 m/s | 3 m/s | 3 m/s | 2 m/s | 3 m/s | 2 m/s | 1 m/s | 1 m/s | 1 m/s |
| Wind gusts | 2 m/s | 2 m/s | 1 m/s | 1 m/s | 2 m/s | 2 m/s | 3 m/s | 2 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 3 m/s | 4 m/s | 4 m/s | 6 m/s | 6 m/s | 5 m/s | 4 m/s | 5 m/s | 5 m/s | 3 m/s | 2 m/s | 1 m/s |
| Wind direction | 81° (E) | 64° (ENE) | 43° (NE) | 22° (NNE) | 21° (NNE) | 7° (N) | 7° (N) | 10° (N) | 2° (N) | 343° (NNW) | 299° (WNW) | 238° (WSW) | 220° (SW) | 207° (SSW) | 194° (SSW) | 176° (S) | 169° (S) | 163° (SSE) | 163° (SSE) | 184° (S) | 167° (SSE) | 154° (SSE) | 118° (ESE) | 119° (ESE) |
| Pressure | 760 mmHg | 760 mmHg | 760 mmHg | 760 mmHg | 760 mmHg | 760 mmHg | 760 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 761 mmHg | 760 mmHg | 760 mmHg | 760 mmHg | 759 mmHg | 759 mmHg | 759 mmHg | 759 mmHg | 760 mmHg | 760 mmHg | 760 mmHg | 760 mmHg |
| Cloud cover | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 6% | 7% | 6% | 9% | 11% | 11% | 9% | 0% | 0% | 0% | 1% |
| Visibility | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km | 16 km |
| UV index | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 6 | 8 | 9 | 9 | 8 | 6 | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
| Rain chance | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Snow chance | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Water temperature | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C | +29°C |
Sunrise
06:19
Duration
14 h 24 min
Sunset
20:43
Moonrise
13:49
Moonset
00:05
Moon phase
First Quarter
Illumination
45%
+30°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +26°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 43%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 3% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 269° ↙ (SW) |
Sunrise
06:19
Duration
14 h 24 min
Sunset
20:43
Moonrise
02:00
Moonset
17:40
Moon phase
Waning Crescent
Illumination
18%
+31°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +26°C
Sea temperature: +27°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +37°C | Sun hours | 14 h |
| UV index | 8 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +27°C |
| Feels like (avg.) | +31°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +31°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 221° ↑ (N) |
Sunrise
06:20
Duration
14 h 23 min
Sunset
20:43
Moonrise
21:12
Moonset
05:47
Moon phase
Full Moon
Illumination
100%
+32°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +27°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 41%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +38°C | Sun hours | 14 h |
| UV index | 8 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +34°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +34°C | Wind chill (avg.) | +32°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 97° ↓ (SSW) |
Sunrise
06:19
Duration
14 h 25 min
Sunset
20:44
Moonrise
09:51
Moonset
23:11
Moon phase
Waxing Crescent
Illumination
20%
+28°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 6 — 8 m/s
Humidity: 42%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 1% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 16 m/s | Wind direction (avg.) | 179° ↑ (NNE) |
Sunrise
06:19
Duration
14 h 25 min
Sunset
20:44
Moonrise
00:58
Moonset
14:40
Moon phase
Last Quarter
Illumination
43%
+30°C
Weather archive — for 2021 year
Moderate rain at times
Weather archive — for 2021 year
Nighttime: +27°C
Precipitation: 0.8 mm
Wind: 3 — 5 m/s
Humidity: 53%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 9 h |
| UV index | 7 | Cloud cover (avg.) | 46% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 246° ↑ (N) |
Sunrise
06:19
Duration
14 h 24 min
Sunset
20:43
Moonrise
18:09
Moonset
02:54
Moon phase
Waxing Gibbous
Illumination
80%
+28°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 43%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 4% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 116° ↑ (NNE) |
Sunrise
06:20
Duration
14 h 23 min
Sunset
20:43
Moonrise
06:44
Moonset
21:35
Moon phase
Waxing Crescent
Illumination
2%
Weather in Piraeus on 21 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+34°C
|
+26°C
|
+30°C | 14 h | 7 | 43% | 3 — 4 m/s |
| 2024 |
+37°C
|
+26°C
|
+31°C | 14 h | 8 | 32% | 3 — 3 m/s |
| 2023 |
+38°C
|
+27°C
|
+32°C | 14 h | 8 | 41% | 1 — 2 m/s |
| 2022 |
+34°C
|
+22°C
|
+28°C | 14 h | 7 | 42% | 6 — 8 m/s |
| 2021 |
+33°C
|
+27°C
|
+30°C | 9 h | 7 | 53% | 3 — 5 m/s |
| 2020 |
+32°C
|
+24°C
|
+28°C | 14 h | 7 | 43% | 4 — 5 m/s |