Weather in Chalkida on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +33°C and nighttime around +23°C, average precipitation 0 mm, wind around 2 m/s, humidity around 43%.
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.
+26°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +20°C
Precipitation: 0 mm
Wind: 1 — 3 m/s
Humidity: 39%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 8% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 172° ↖ (NNW) |
Sunrise
06:42
Duration
13 h 33 min
Sunset
20:15
Moonrise
00:41
Moonset
16:39
Moon phase
Last Quarter
Illumination
29%
+28°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +22°C
Sea temperature: +32°C
Precipitation: 0.1 mm
Wind: 2 — 4 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 12 h |
| UV index | 7 | Cloud cover (avg.) | 26% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +32°C |
| Feels like (avg.) | +30°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 212° ↑ (N) |
Sunrise
06:43
Duration
13 h 32 min
Sunset
20:15
Moonrise
19:47
Moonset
04:36
Moon phase
Waxing Gibbous
Illumination
93%
+27°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
Nighttime: +23°C
Precipitation: 0 mm
Wind: 4 — 7 m/s
Humidity: 53%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 23% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 344° ↑ (N) |
Sunrise
06:42
Duration
13 h 34 min
Sunset
20:16
Moonrise
08:40
Moonset
21:37
Moon phase
Waxing Crescent
Illumination
9%
+31°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 39%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +36°C | Sun hours | 14 h |
| UV index | 8 | Cloud cover (avg.) | 4% |
| 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.) | +15°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +31°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 248° ↑ (N) |
Sunrise
06:42
Duration
13 h 34 min
Sunset
20:16
Moonrise
23:58
Moonset
13:38
Moon phase
Last Quarter
Illumination
54%
+30°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 38%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +35°C | Sun hours | 14 h |
| UV index | 8 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +30°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 226° ↙ (SW) |
Sunrise
06:42
Duration
13 h 33 min
Sunset
20:15
Moonrise
17:04
Moonset
01:32
Moon phase
Waxing Gibbous
Illumination
69%
+26°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +21°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 48%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 14 h |
| UV index | 7 | Cloud cover (avg.) | 8% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 207° ↑ (N) |
Sunrise
06:43
Duration
13 h 32 min
Sunset
20:15
Moonrise
05:33
Moonset
20:13
Moon phase
New Moon
Illumination
0%
Weather in Chalkida on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+32°C
|
+20°C
|
+26°C | 14 h | 7 | 39% | 1 — 3 m/s |
| 2024 |
+33°C
|
+22°C
|
+28°C | 12 h | 7 | 42% | 2 — 4 m/s |
| 2023 |
+31°C
|
+23°C
|
+27°C | 11 h | 7 | 53% | 4 — 7 m/s |
| 2022 |
+36°C
|
+25°C
|
+31°C | 14 h | 8 | 39% | 3 — 4 m/s |
| 2021 |
+35°C
|
+25°C
|
+30°C | 14 h | 8 | 38% | 2 — 3 m/s |
| 2020 |
+30°C
|
+21°C
|
+26°C | 14 h | 7 | 48% | 2 — 3 m/s |