Weather in Port Blair on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +29°C and nighttime around +27°C, average precipitation 0.8 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.
+27°C
Weather archive — latest year: 2025
Light rain shower
Weather archive — latest year: 2025
Nighttime: +27°C
Precipitation: 2 mm
Wind: 8 — 9 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 3 h |
| UV index | 6 | Cloud cover (avg.) | 86% |
| Pressure (avg.) | 757 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.) | +27°C |
| Wind gusts (max.) | 12 m/s | Wind direction (avg.) | 217° ↙ (SW) |
Sunrise
05:09
Duration
12 h 28 min
Sunset
17:37
Moonrise
00:04
Moonset
13:27
Moon phase
Last Quarter
Illumination
29%
+28°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +27°C
Precipitation: 0.7 mm
Wind: 3 — 4 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 61% |
| 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.) | +23°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 235° ↙ (WSW) |
Sunrise
05:09
Duration
12 h 28 min
Sunset
17:37
Moonrise
16:36
Moonset
03:23
Moon phase
Waxing Gibbous
Illumination
93%
+28°C
Weather archive — for 2023 year
Patchy rain nearby
Weather archive — for 2023 year
Nighttime: +27°C
Precipitation: 0.5 mm
Wind: 7 — 8 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 70% |
| 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.) | 13 m/s | Wind direction (avg.) | 242° ↙ (WSW) |
Sunrise
05:09
Duration
12 h 29 min
Sunset
17:38
Moonrise
06:28
Moonset
19:02
Moon phase
Waxing Crescent
Illumination
9%
+28°C
Weather archive — for 2022 year
Moderate rain at times
Weather archive — for 2022 year
Nighttime: +27°C
Precipitation: 0.9 mm
Wind: 7 — 8 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 71% |
| Pressure (avg.) | 755 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.) | +27°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 257° ↙ (WSW) |
Sunrise
05:09
Duration
12 h 29 min
Sunset
17:38
Moonrise
22:27
Moonset
10:32
Moon phase
Waning Gibbous
Illumination
54%
+27°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +25°C
Precipitation: 0.6 mm
Wind: 4 — 5 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 8 h |
| UV index | 6 | Cloud cover (avg.) | 75% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 232° ↙ (SW) |
Sunrise
05:09
Duration
12 h 28 min
Sunset
17:37
Moonrise
14:01
Moonset
00:43
Moon phase
Waxing Gibbous
Illumination
69%
+28°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +27°C
Precipitation: 0.1 mm
Wind: 5 — 7 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 67% |
| Pressure (avg.) | 756 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.) | 226° ↙ (SW) |
Sunrise
05:09
Duration
12 h 28 min
Sunset
17:37
Moonrise
04:07
Moonset
17:11
Moon phase
New Moon
Illumination
0%
+28°C
Weather archive — for 2019 year
Moderate rain at times
Weather archive — for 2019 year
Nighttime: +28°C
Precipitation: 0.9 mm
Wind: 6 — 8 m/s
Humidity: 82%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 5 h |
| UV index | 6 | Cloud cover (avg.) | 63% |
| Pressure (avg.) | 758 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.) | 13 m/s | Wind direction (avg.) | 220° ↙ (SW) |
Sunrise
05:09
Duration
12 h 29 min
Sunset
17:38
Moonrise
19:41
Moonset
07:08
Moon phase
Waning Gibbous
Illumination
78%
Weather in Port Blair on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+28°C
|
+27°C
|
+27°C | 3 h | 6 | 82% | 8 — 9 m/s |
| 2024 |
+30°C
|
+27°C
|
+28°C | 6 h | 6 | 76% | 3 — 4 m/s |
| 2023 |
+29°C
|
+27°C
|
+28°C | 6 h | 6 | 79% | 7 — 8 m/s |
| 2022 |
+29°C
|
+27°C
|
+28°C | 11 h | 6 | 79% | 7 — 8 m/s |
| 2021 |
+28°C
|
+25°C
|
+27°C | 8 h | 6 | 80% | 4 — 5 m/s |
| 2020 |
+29°C
|
+27°C
|
+28°C | 12 h | 6 | 79% | 5 — 7 m/s |
| 2019 |
+28°C
|
+28°C
|
+28°C | 5 h | 6 | 82% | 6 — 8 m/s |