Weather in Horta on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +22°C, average precipitation 1.3 mm, wind around 4 m/s, humidity around 78%.
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: +22°C
Precipitation: 0 mm
Wind: 4 — 5 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 13% |
| Pressure (avg.) | 768 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +24°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 208° ↓ (SSW) |
Sunrise
07:11
Duration
13 h 33 min
Sunset
20:44
Moonrise
01:18
Moonset
17:18
Moon phase
Last Quarter
Illumination
29%
+25°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +24°C
Sea temperature: +24°C
Precipitation: 0.1 mm
Wind: 1 — 2 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 38% |
| 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.) | +20°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 206° ↓ (SSW) |
Sunrise
07:12
Duration
13 h 32 min
Sunset
20:44
Moonrise
20:21
Moonset
05:15
Moon phase
Waxing Gibbous
Illumination
93%
+23°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
Nighttime: +23°C
Precipitation: 0.1 mm
Wind: 5 — 7 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 57% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 15 m/s | Wind direction (avg.) | 329° ↖ (NNW) |
Sunrise
07:11
Duration
13 h 34 min
Sunset
20:45
Moonrise
09:17
Moonset
22:09
Moon phase
Waxing Crescent
Illumination
9%
+23°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +22°C
Precipitation: 0.3 mm
Wind: 2 — 3 m/s
Humidity: 66%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 40% |
| Pressure (avg.) | 771 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 72° ↗ (ENE) |
Sunrise
07:11
Duration
13 h 34 min
Sunset
20:45
Moonrise
00:00
Moonset
14:17
Moon phase
Last Quarter
Illumination
54%
+23°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +22°C
Precipitation: 0.9 mm
Wind: 4 — 4 m/s
Humidity: 88%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 63% |
| Pressure (avg.) | 770 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 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.) | 11 m/s | Wind direction (avg.) | 228° ↙ (SW) |
Sunrise
07:11
Duration
13 h 33 min
Sunset
20:44
Moonrise
17:43
Moonset
02:08
Moon phase
Waxing Gibbous
Illumination
69%
+22°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +20°C
Precipitation: 6.4 mm
Wind: 7 — 9 m/s
Humidity: 89%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 7 h |
| UV index | 5 | Cloud cover (avg.) | 78% |
| Pressure (avg.) | 758 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.) | 23 m/s | Wind direction (avg.) | 257° ← (W) |
Sunrise
07:11
Duration
13 h 33 min
Sunset
20:44
Moonrise
06:11
Moonset
20:47
Moon phase
New Moon
Illumination
0%
Weather in Horta on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+23°C
|
+22°C
|
+22°C | 13 h | 6 | 76% | 4 — 5 m/s |
| 2024 |
+25°C
|
+24°C
|
+25°C | 7 h | 6 | 77% | 1 — 2 m/s |
| 2023 |
+24°C
|
+23°C
|
+23°C | 11 h | 5 | 74% | 5 — 7 m/s |
| 2022 |
+24°C
|
+22°C
|
+23°C | 10 h | 6 | 66% | 2 — 3 m/s |
| 2021 |
+24°C
|
+22°C
|
+23°C | 10 h | 6 | 88% | 4 — 4 m/s |
| 2020 |
+24°C
|
+20°C
|
+22°C | 7 h | 5 | 89% | 7 — 9 m/s |