Weather in Port Blair on 20 August 2026
Preliminary outlook for 20 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +29°C and nighttime around +27°C, average precipitation 0.5 mm, wind around 5 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.
+28°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +26°C
Precipitation: 0.8 mm
Wind: 5 — 6 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 6 h |
| UV index | 7 | Cloud cover (avg.) | 68% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 225° ↙ (SW) |
Sunrise
05:09
Duration
12 h 27 min
Sunset
17:36
Moonrise
02:08
Moonset
15:25
Moon phase
Waning Crescent
Illumination
15%
+28°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +27°C
Precipitation: 0.1 mm
Wind: 4 — 5 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 68% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 236° ↙ (WSW) |
Sunrise
05:09
Duration
12 h 27 min
Sunset
17:36
Moonrise
18:15
Moonset
05:27
Moon phase
Full Moon
Illumination
100%
+28°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +27°C
Precipitation: 0.1 mm
Wind: 6 — 7 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 8 h |
| UV index | 7 | Cloud cover (avg.) | 53% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 10 m/s | Wind direction (avg.) | 255° ↙ (WSW) |
Sunrise
05:09
Duration
12 h 28 min
Sunset
17:37
Moonrise
07:57
Moonset
20:11
Moon phase
Waxing Crescent
Illumination
23%
+28°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +27°C
Precipitation: 1 mm
Wind: 7 — 8 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 5 h |
| UV index | 6 | Cloud cover (avg.) | 78% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +32°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 233° ↙ (SW) |
Sunrise
05:09
Duration
12 h 28 min
Sunset
17:37
Moonrise
23:56
Moonset
12:14
Moon phase
Last Quarter
Illumination
39%
+28°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +27°C
Precipitation: 0.2 mm
Wind: 4 — 5 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 53% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +31°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 194° ↓ (S) |
Sunrise
05:09
Duration
12 h 27 min
Sunset
17:36
Moonrise
16:01
Moonset
02:45
Moon phase
Waxing Gibbous
Illumination
83%
+28°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +28°C
Precipitation: 0.3 mm
Wind: 5 — 7 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 5 h |
| UV index | 7 | Cloud cover (avg.) | 70% |
| Pressure (avg.) | 755 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.) | 10 m/s | Wind direction (avg.) | 214° ↓ (SSW) |
Sunrise
05:09
Duration
12 h 27 min
Sunset
17:36
Moonrise
06:07
Moonset
18:52
Moon phase
Waxing Crescent
Illumination
6%
+28°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +28°C
Precipitation: 0.7 mm
Wind: 6 — 7 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 2 h |
| UV index | 7 | Cloud cover (avg.) | 77% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +33°C | Dew point (avg.) | +25°C |
| Heat index (avg.) | +33°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 248° ↙ (WSW) |
Sunrise
05:09
Duration
12 h 28 min
Sunset
17:37
Moonrise
20:55
Moonset
08:38
Moon phase
Waning Gibbous
Illumination
64%
Weather in Port Blair on 20 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+29°C
|
+26°C
|
+28°C | 6 h | 7 | 81% | 5 — 6 m/s |
| 2024 |
+29°C
|
+27°C
|
+28°C | 9 h | 6 | 78% | 4 — 5 m/s |
| 2023 |
+29°C
|
+27°C
|
+28°C | 8 h | 7 | 80% | 6 — 7 m/s |
| 2022 |
+29°C
|
+27°C
|
+28°C | 5 h | 6 | 82% | 7 — 8 m/s |
| 2021 |
+29°C
|
+27°C
|
+28°C | 11 h | 7 | 78% | 4 — 5 m/s |
| 2020 |
+29°C
|
+28°C
|
+28°C | 5 h | 7 | 79% | 5 — 7 m/s |
| 2019 |
+29°C
|
+28°C
|
+28°C | 2 h | 7 | 82% | 6 — 7 m/s |