Weather in Horta on 17 August 2026
Preliminary outlook for 17 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +23°C, average precipitation 0.9 mm, wind around 6 m/s, humidity around 80%.
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.
+22°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +21°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +22°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 33% |
| Pressure (avg.) | 766 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.) | +25°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 273° ← (WNW) |
Sunrise
07:10
Duration
13 h 36 min
Sunset
20:46
Moonrise
00:30
Moonset
16:07
Moon phase
Last Quarter
Illumination
37%
+25°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +24°C
Sea temperature: +24°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 6% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +24°C |
| Feels like (avg.) | +27°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 58° ↗ (NE) |
Sunrise
07:11
Duration
13 h 34 min
Sunset
20:45
Moonrise
19:45
Moonset
04:07
Moon phase
Waxing Gibbous
Illumination
86%
+24°C
Weather archive — for 2023 year
Moderate rain at times
Weather archive — for 2023 year
Nighttime: +24°C
Precipitation: 2.3 mm
Wind: 9 — 11 m/s
Humidity: 92%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 68% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 21 m/s | Wind direction (avg.) | 257° ↙ (WSW) |
Sunrise
07:10
Duration
13 h 36 min
Sunset
20:46
Moonrise
08:18
Moonset
21:48
Moon phase
Waxing Crescent
Illumination
1%
+22°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +22°C
Precipitation: 0.1 mm
Wind: 4 — 5 m/s
Humidity: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 46% |
| Pressure (avg.) | 772 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.) | +25°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 67° ↗ (ENE) |
Sunrise
07:10
Duration
13 h 36 min
Sunset
20:46
Moonrise
Does not rise today
Moonset
13:08
Moon phase
Waning Gibbous
Illumination
61%
+23°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +23°C
Precipitation: 1.1 mm
Wind: 5 — 6 m/s
Humidity: 89%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 9 h |
| UV index | 5 | Cloud cover (avg.) | 57% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +21°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 194° ↓ (SSW) |
Sunrise
07:10
Duration
13 h 36 min
Sunset
20:46
Moonrise
16:33
Moonset
01:21
Moon phase
First Quarter
Illumination
61%
+23°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +21°C
Precipitation: 2.1 mm
Wind: 10 — 11 m/s
Humidity: 90%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 88% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 26 m/s | Wind direction (avg.) | 232° ↙ (SW) |
Sunrise
07:11
Duration
13 h 34 min
Sunset
20:45
Moonrise
05:08
Moonset
20:08
Moon phase
Waning Crescent
Illumination
1%
Weather in Horta on 17 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+22°C
|
+21°C
|
+22°C | 12 h | 6 | 65% | 3 — 4 m/s |
| 2024 |
+25°C
|
+24°C
|
+25°C | 13 h | 6 | 79% | 3 — 3 m/s |
| 2023 |
+25°C
|
+24°C
|
+24°C | 11 h | 5 | 92% | 9 — 11 m/s |
| 2022 |
+23°C
|
+22°C
|
+22°C | 11 h | 6 | 65% | 4 — 5 m/s |
| 2021 |
+24°C
|
+23°C
|
+23°C | 9 h | 5 | 89% | 5 — 6 m/s |
| 2020 |
+24°C
|
+21°C
|
+23°C | 1 h | 5 | 90% | 10 — 11 m/s |