Weather in Puerto Rico on 20 August 2026
Preliminary outlook for 20 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +28°C and nighttime around +24°C, average precipitation 0 mm, wind around 3 m/s, humidity around 62%.
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.
+25°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +23°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 191° ↑ (N) |
Sunrise
07:36
Duration
13 h 00 min
Sunset
20:36
Moonrise
04:09
Moonset
18:47
Moon phase
Waning Crescent
Illumination
15%
+25°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +24°C
Sea temperature: +23°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 46% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +23°C |
| Feels like (avg.) | +29°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 334° ↖ (NW) |
Sunrise
07:36
Duration
13 h 00 min
Sunset
20:36
Moonrise
21:16
Moonset
07:59
Moon phase
Full Moon
Illumination
100%
+27°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +25°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 58%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 44% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +29°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 277° → (ESE) |
Sunrise
07:35
Duration
13 h 01 min
Sunset
20:36
Moonrise
11:14
Moonset
23:06
Moon phase
Waxing Crescent
Illumination
23%
+26°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 2 h |
| UV index | 7 | Cloud cover (avg.) | 64% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 118° ↖ (NNW) |
Sunrise
07:35
Duration
13 h 01 min
Sunset
20:36
Moonrise
01:43
Moonset
16:03
Moon phase
Last Quarter
Illumination
39%
+26°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 56%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 150° ↖ (NNW) |
Sunrise
07:35
Duration
13 h 01 min
Sunset
20:36
Moonrise
19:20
Moonset
04:51
Moon phase
Waxing Gibbous
Illumination
83%
+25°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 3 — 3 m/s
Humidity: 55%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 115° ↖ (NW) |
Sunrise
07:36
Duration
13 h 00 min
Sunset
20:36
Moonrise
08:42
Moonset
21:50
Moon phase
Waxing Crescent
Illumination
6%
Weather in Puerto Rico on 20 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+27°C
|
+23°C
|
+25°C | 13 h | 6 | 65% | 3 — 4 m/s |
| 2024 |
+26°C
|
+24°C
|
+25°C | 13 h | 7 | 68% | 2 — 3 m/s |
| 2023 |
+29°C
|
+25°C
|
+27°C | 12 h | 6 | 58% | 3 — 4 m/s |
| 2022 |
+29°C
|
+24°C
|
+26°C | 2 h | 7 | 68% | 3 — 4 m/s |
| 2021 |
+28°C
|
+24°C
|
+26°C | 13 h | 7 | 56% | 3 — 4 m/s |
| 2020 |
+28°C
|
+22°C
|
+25°C | 13 h | 7 | 55% | 3 — 3 m/s |