Weather in Vieste on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +29°C and nighttime around +21°C, average precipitation 0.2 mm, wind around 3 m/s, humidity around 56%.
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
Nighttime: +19°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 58%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 321° ↑ (N) |
Sunrise
06:06
Duration
13 h 45 min
Sunset
19:51
Moonrise
Does not rise today
Moonset
16:25
Moon phase
Last Quarter
Illumination
29%
+26°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +21°C
Sea temperature: +29°C
Precipitation: 0.4 mm
Wind: 2 — 2 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 8 h |
| UV index | 7 | Cloud cover (avg.) | 64% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +29°C |
| Feels like (avg.) | +27°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 230° ↘ (SE) |
Sunrise
06:07
Duration
13 h 43 min
Sunset
19:50
Moonrise
19:28
Moonset
03:55
Moon phase
Waxing Gibbous
Illumination
93%
+24°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +20°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 52%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 3% |
| 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.) | +14°C |
| Heat index (avg.) | +24°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 318° ↖ (NNW) |
Sunrise
06:06
Duration
13 h 46 min
Sunset
19:52
Moonrise
08:08
Moonset
21:09
Moon phase
Waxing Crescent
Illumination
9%
+29°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 43%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 7% |
| Pressure (avg.) | 759 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.) | 8 m/s | Wind direction (avg.) | 170° ↘ (SSE) |
Sunrise
06:06
Duration
13 h 45 min
Sunset
19:51
Moonrise
23:19
Moonset
13:17
Moon phase
Last Quarter
Illumination
54%
+22°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +20°C
Precipitation: 0 mm
Wind: 5 — 6 m/s
Humidity: 73%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 19% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 308° ↖ (NW) |
Sunrise
06:06
Duration
13 h 45 min
Sunset
19:51
Moonrise
16:48
Moonset
00:51
Moon phase
Waxing Gibbous
Illumination
69%
+25°C
Weather archive — for 2020 year
Moderate rain at times
Weather archive — for 2020 year
Nighttime: +22°C
Precipitation: 0.5 mm
Wind: 2 — 3 m/s
Humidity: 55%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 47% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 221° ↖ (NW) |
Sunrise
06:07
Duration
13 h 44 min
Sunset
19:51
Moonrise
04:54
Moonset
19:51
Moon phase
New Moon
Illumination
0%
Weather in Vieste on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+28°C
|
+19°C
|
+23°C | 13 h | 6 | 58% | 2 — 3 m/s |
| 2024 |
+32°C
|
+21°C
|
+26°C | 8 h | 7 | 57% | 2 — 2 m/s |
| 2023 |
+29°C
|
+20°C
|
+24°C | 13 h | 6 | 52% | 3 — 4 m/s |
| 2022 |
+34°C
|
+24°C
|
+29°C | 13 h | 7 | 43% | 2 — 3 m/s |
| 2021 |
+25°C
|
+20°C
|
+22°C | 12 h | 6 | 73% | 5 — 6 m/s |
| 2020 |
+28°C
|
+22°C
|
+25°C | 9 h | 6 | 55% | 2 — 3 m/s |