Weather in Shah Alam on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +31°C and nighttime around +24°C, average precipitation 1.3 mm, wind around 2 m/s, humidity around 82%.
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
Patchy rain nearby
Weather archive — latest year: 2025
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 11 h |
| UV index | 7 | Cloud cover (avg.) | 45% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 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.) | 3 m/s | Wind direction (avg.) | 164° ↓ (S) |
Sunrise
07:12
Duration
12 h 12 min
Sunset
19:24
Moonrise
02:17
Moonset
15:00
Moon phase
Last Quarter
Illumination
29%
+27°C
Weather archive — for 2024 year
Overcast
Weather archive — for 2024 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 6 h |
| UV index | 6 | Cloud cover (avg.) | 69% |
| 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.) | 4 m/s | Wind direction (avg.) | 112° ↓ (S) |
Sunrise
07:12
Duration
12 h 12 min
Sunset
19:24
Moonrise
18:15
Moonset
05:33
Moon phase
Waxing Gibbous
Illumination
93%
+26°C
Weather archive — for 2023 year
Partly Cloudy
Weather archive — for 2023 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 63% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 6 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.) | 4 m/s | Wind direction (avg.) | 321° ↖ (NW) |
Sunrise
07:12
Duration
12 h 12 min
Sunset
19:24
Moonrise
08:28
Moonset
20:51
Moon phase
Waxing Crescent
Illumination
9%
+27°C
Weather archive — for 2022 year
Moderate rain at times
Weather archive — for 2022 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 7 h |
| UV index | 7 | Cloud cover (avg.) | 55% |
| 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.) | 219° ↓ (S) |
Sunrise
07:12
Duration
12 h 12 min
Sunset
19:24
Moonrise
No moonrise
Moonset
12:16
Moon phase
Waning Gibbous
Illumination
54%
+25°C
Weather archive — for 2021 year
Moderate rain at times
Weather archive — for 2021 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 2 h |
| UV index | 5 | Cloud cover (avg.) | 85% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 228° ← (W) |
Sunrise
07:12
Duration
12 h 12 min
Sunset
19:24
Moonrise
15:37
Moonset
02:53
Moon phase
Waxing Gibbous
Illumination
69%
+26°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 8 h |
| UV index | 7 | Cloud cover (avg.) | 67% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +30°C | Dew point (avg.) | +24°C |
| Heat index (avg.) | +30°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 131° ↓ (SSW) |
Sunrise
07:12
Duration
12 h 12 min
Sunset
19:24
Moonrise
06:15
Moonset
18:52
Moon phase
New Moon
Illumination
0%
+28°C
Weather archive — for 2019 year
Cloudy
Weather archive — for 2019 year
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 5 h |
| UV index | 7 | Cloud cover (avg.) | 52% |
| 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.) | +23°C |
| Heat index (avg.) | +32°C | Wind chill (avg.) | +28°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 130° ↘ (SE) |
Sunrise
07:12
Duration
12 h 12 min
Sunset
19:24
Moonrise
21:31
Moonset
09:07
Moon phase
Waning Gibbous
Illumination
78%
Weather in Shah Alam on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
|
|
+27°C | 11 h | 7 | 75% | 1 — 2 m/s |
| 2024 |
|
|
+27°C | 6 h | 6 | 85% | 1 — 1 m/s |
| 2023 |
|
|
+26°C | 9 h | 6 | 84% | 2 — 3 m/s |
| 2022 |
|
|
+27°C | 7 h | 7 | 78% | 2 — 3 m/s |
| 2021 |
|
|
+25°C | 2 h | 5 | 91% | 2 — 3 m/s |
| 2020 |
|
|
+26°C | 8 h | 7 | 84% | 1 — 2 m/s |
| 2019 |
|
|
+28°C | 5 h | 7 | 74% | 2 — 2 m/s |