5-day weather forecast Bangkok 21-04-2026
Weather forecast Bangkok Tuesday, April 21 21.04.2026: sunny, temperature from 29 °C to 39 °C.
No precipitation expected. Wind up to 8.5 m/s (gusts 10 m/s). Air humidity 21–69%, atmospheric pressure 752–758 mm Hg, UV index up to 11.
Sunrise 06:02
Sunset 18:32
Sunset 18:32
Waxing Crescent17% illuminated
Moonrise 09:11 · Moonset 22:45
Moonrise 09:11 · Moonset 22:45
Chart
Table
Tue, Apr 21, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 30 °C | 0% | 7% | 64% | 757 mm Hg | SSE 162° 6.39 (7.97) m/s | 0 |
| 01:00 | Clear | 30 °C | 0% | 10% | 65% | 756 mm Hg | SSE 164° 6 (7.64) m/s | 0 |
| 02:00 |  Partly cloudy | 30 °C | 0% | 52% | 68% | 755 mm Hg | S 170° 5.61 (7.17) m/s | 0 |
| 03:00 | Partly cloudy | 29 °C | 0% | 61% | 69% | 755 mm Hg | SSE 167° 5.39 (7.06) m/s | 0 |
| 04:00 | Partly cloudy | 29 °C | 0% | 46% | 69% | 755 mm Hg | SSE 164° 5.19 (6.89) m/s | 0 |
| 05:00 | Partly cloudy | 30 °C | 0% | 37% | 68% | 755 mm Hg | SSE 165° 4.81 (6.33) m/s | 0 |
| 06:00 | Clear | 30 °C | 0% | 19% | 66% | 756 mm Hg | S 174° 4.39 (5.86) m/s | 0 |
| 07:00 |  Sunny | 30 °C | 0% | 9% | 60% | 756 mm Hg | S 187° 4.69 (5.89) m/s | 0.3 |
| 08:00 | Sunny | 31 °C | 0% | 16% | 54% | 757 mm Hg | SW 227° 2.5 (2.89) m/s | 1.4 |
| 09:00 | Sunny | 32 °C | 0% | 12% | 48% | 758 mm Hg | WSW 254° 1.5 (1.72) m/s | 3.7 |
| 10:00 | Sunny | 34 °C | 0% | 5% | 41% | 758 mm Hg | S 188° 3.31 (3.81) m/s | 6.6 |
| 11:00 | Sunny | 36 °C | 0% | 13% | 29% | 757 mm Hg | NW 319° 0.39 (0.47) m/s | 9.3 |
| 12:00 | Sunny | 38 °C | 0% | 16% | 23% | 756 mm Hg | S 188° 0.61 (0.69) m/s | 11 |
| 13:00 | Sunny | 37 °C | 0% | 5% | 28% | 755 mm Hg | SSE 149° 4.39 (5.06) m/s | 10.8 |
| 14:00 | Sunny | 39 °C | 0% | 13% | 21% | 754 mm Hg | SSE 161° 4 (4.61) m/s | 8.9 |
| 15:00 | Sunny | 39 °C | 0% | 9% | 24% | 753 mm Hg | SSE 161° 5.69 (6.56) m/s | 5.7 |
| 16:00 | Sunny | 37 °C | 0% | 3% | 30% | 752 mm Hg | SSE 166° 5.61 (6.44) m/s | 2.8 |
| 17:00 | Sunny | 36 °C | 0% | 6% | 36% | 753 mm Hg | SSE 152° 7.11 (8.17) m/s | 0.9 |
| 18:00 | Sunny | 34 °C | 0% | 7% | 42% | 753 mm Hg | SSE 165° 6.89 (7.94) m/s | 0.1 |
| 19:00 | Clear | 32 °C | 0% | 4% | 47% | 754 mm Hg | SE 142° 7.39 (8.69) m/s | 0 |
| 20:00 | Clear | 31 °C | 0% | 5% | 61% | 755 mm Hg | S 178° 8.5 (10) m/s | 0 |
| 21:00 | Clear | 30 °C | 0% | 5% | 61% | 755 mm Hg | SSE 167° 7.89 (9.44) m/s | 0 |
| 22:00 | Clear | 31 °C | 0% | 8% | 62% | 756 mm Hg | S 179° 6.69 (8.25) m/s | 0 |
| 23:00 | Clear | 30 °C | 0% | 4% | 62% | 755 mm Hg | S 169° 6.61 (8.22) m/s | 0 |
Tue, Apr 21, 2026
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Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.