Weather in Cayo Guillermo on 15 August 2026
Preliminary outlook for 15 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +33°C and nighttime around +24°C, average precipitation 0.7 mm, wind around 2 m/s, humidity around 77%.
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.
+28°C
Weather archive — latest year: 2025
Partly Cloudy
Weather archive — latest year: 2025
Nighttime: +23°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 41% |
| Pressure (avg.) | 763 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 92° → (ESE) |
Sunrise
07:00
Duration
12 h 53 min
Sunset
19:53
Moonrise
No moonrise
Moonset
13:11
Moon phase
Last Quarter
Illumination
51%
+28°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +24°C
Precipitation: 1.5 mm
Wind: 1 — 3 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 9 h |
| UV index | 7 | Cloud cover (avg.) | 31% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 138° ↓ (S) |
Sunrise
07:00
Duration
12 h 53 min
Sunset
19:53
Moonrise
16:43
Moonset
02:25
Moon phase
Waxing Gibbous
Illumination
71%
+28°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 4 h |
| UV index | 6 | Cloud cover (avg.) | 55% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 147° ↓ (SSW) |
Sunrise
07:00
Duration
12 h 54 min
Sunset
19:54
Moonrise
06:13
Moonset
19:49
Moon phase
New Moon
Illumination
0%
+28°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 1.1 mm
Wind: 1 — 2 m/s
Humidity: 73%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 10 h |
| UV index | 7 | Cloud cover (avg.) | 31% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 136° ↓ (SSW) |
Sunrise
07:00
Duration
12 h 54 min
Sunset
19:54
Moonrise
22:44
Moonset
10:30
Moon phase
Waning Gibbous
Illumination
76%
+27°C
Weather archive — for 2021 year
Partly Cloudy
Weather archive — for 2021 year
Nighttime: +24°C
Precipitation: 0.9 mm
Wind: 2 — 2 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 7 h |
| UV index | 6 | Cloud cover (avg.) | 57% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 126° ↘ (SSE) |
Sunrise
07:00
Duration
12 h 53 min
Sunset
19:53
Moonrise
13:45
Moonset
00:19
Moon phase
First Quarter
Illumination
47%
+28°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +25°C
Precipitation: 1.4 mm
Wind: 3 — 3 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 44% |
| Pressure (avg.) | 759 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 90° → (ESE) |
Sunrise
07:00
Duration
12 h 53 min
Sunset
19:53
Moonrise
03:23
Moonset
17:17
Moon phase
Waning Crescent
Illumination
16%
+29°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +26°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +34°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 20% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 90° → (E) |
Sunrise
07:00
Duration
12 h 54 min
Sunset
19:54
Moonrise
20:18
Moonset
06:58
Moon phase
Full Moon
Illumination
100%
Weather in Cayo Guillermo on 15 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+33°C
|
+23°C
|
+28°C | 10 h | 6 | 80% | 3 — 3 m/s |
| 2024 |
+33°C
|
+24°C
|
+28°C | 9 h | 7 | 74% | 1 — 3 m/s |
| 2023 |
+34°C
|
+24°C
|
+28°C | 4 h | 6 | 77% | 2 — 3 m/s |
| 2022 |
+33°C
|
+24°C
|
+28°C | 10 h | 7 | 73% | 1 — 2 m/s |
| 2021 |
+31°C
|
+24°C
|
+27°C | 7 h | 6 | 76% | 2 — 2 m/s |
| 2020 |
+32°C
|
+25°C
|
+28°C | 10 h | 6 | 80% | 3 — 3 m/s |
| 2019 |
+34°C
|
+26°C
|
+29°C | 11 h | 7 | 76% | 2 — 2 m/s |