Weather in Penang on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +30°C and nighttime around +25°C, average precipitation 1.9 mm, wind around 2 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.
+28°C
Weather archive — latest year: 2025
Light rain shower
Weather archive — latest year: 2025
Nighttime: +25°C
Precipitation: 0.6 mm
Wind: 2 — 3 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 8 h |
| UV index | 7 | Cloud cover (avg.) | 58% |
| Pressure (avg.) | 758 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.) | 4 m/s | Wind direction (avg.) | 135° ↓ (S) |
Sunrise
07:14
Duration
12 h 17 min
Sunset
19:31
Moonrise
02:16
Moonset
15:11
Moon phase
Last Quarter
Illumination
29%
+26°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +25°C
Precipitation: 2.5 mm
Wind: 2 — 3 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 4 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.) | +29°C | Dew point (avg.) | +23°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +26°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 184° ↓ (SSW) |
Sunrise
07:14
Duration
12 h 17 min
Sunset
19:31
Moonrise
18:24
Moonset
05:34
Moon phase
Waxing Gibbous
Illumination
93%
+28°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
Nighttime: +25°C
Precipitation: 0.1 mm
Wind: 1 — 3 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 5 h |
| UV index | 7 | Cloud cover (avg.) | 70% |
| Pressure (avg.) | 758 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.) | 152° ↑ (N) |
Sunrise
07:14
Duration
12 h 17 min
Sunset
19:31
Moonrise
08:32
Moonset
20:58
Moon phase
Waxing Crescent
Illumination
9%
+28°C
Weather archive — for 2022 year
Overcast
Weather archive — for 2022 year
Nighttime: +25°C
Precipitation: 4.8 mm
Wind: 3 — 3 m/s
Humidity: 75%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 7 h |
| UV index | 7 | Cloud cover (avg.) | 48% |
| 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.) | +23°C |
| Heat index (avg.) | +31°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 261° ↖ (NNW) |
Sunrise
07:14
Duration
12 h 17 min
Sunset
19:31
Moonrise
No moonrise
Moonset
12:23
Moon phase
Waning Gibbous
Illumination
54%
+25°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +24°C
Precipitation: 4.3 mm
Wind: 3 — 3 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 88% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 6 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +22°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 291° ↖ (NW) |
Sunrise
07:14
Duration
12 h 17 min
Sunset
19:31
Moonrise
15:47
Moonset
02:54
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: 2 — 2 m/s
Humidity: 74%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 7 h |
| UV index | 7 | Cloud cover (avg.) | 67% |
| 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.) | 5 m/s | Wind direction (avg.) | 183° ↘ (SSE) |
Sunrise
07:14
Duration
12 h 17 min
Sunset
19:31
Moonrise
06:16
Moonset
19:00
Moon phase
New Moon
Illumination
0%
+28°C
Weather archive — for 2019 year
Patchy rain nearby
Weather archive — for 2019 year
Nighttime: +26°C
Precipitation: 0.7 mm
Wind: 2 — 3 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°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.) | 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.) | 4 m/s | Wind direction (avg.) | 147° ↘ (SE) |
Sunrise
07:14
Duration
12 h 17 min
Sunset
19:31
Moonrise
21:37
Moonset
09:10
Moon phase
Waning Gibbous
Illumination
78%
Weather in Penang on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+32°C
|
+25°C
|
+28°C | 8 h | 7 | 76% | 2 — 3 m/s |
| 2024 |
+28°C
|
+25°C
|
+26°C | 4 h | 6 | 80% | 2 — 3 m/s |
| 2023 |
+31°C
|
+25°C
|
+28°C | 5 h | 7 | 77% | 1 — 3 m/s |
| 2022 |
+31°C
|
+25°C
|
+28°C | 7 h | 7 | 75% | 3 — 3 m/s |
| 2021 |
+26°C
|
+24°C
|
+25°C | 1 h | 5 | 84% | 3 — 3 m/s |
| 2020 |
+31°C
|
+27°C
|
+28°C | 7 h | 7 | 74% | 2 — 2 m/s |
| 2019 |
+31°C
|
+26°C
|
+28°C | 5 h | 6 | 77% | 2 — 3 m/s |