Detailed weather forecast for Samut Prakan, Thailand: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Samut Prakan
today🌧️32°💧 0.2 mm
Sun🌧️35°💧 2.1 mm
Mon🌧️32°💧 0.2 mm
Tue☁️31°💧 0.5 mm
Wed🌧️31°💧 0.5 mm
Thu🌧️32°💧 63.7 mm
Fri🌧️28°💧 20.3 mm
Sat🌧️27°💧 7 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Sunday 6 Sept in Samut Prakan, the forecast high is 35°C. Typical daytime temperatures at this time of year range from 29°C to 31°C, so it will be exceptionally warm. It is warmer than 99% of similar days.
From 1981 to 2025, the 5-11 Sept period averaged 30°C by day. The coolest year was 2011 (29°C) and the warmest was 2015 (32°C). The current forecast averages 32°C - higher than in 96% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Samut Prakan
Samut Prakan 30 & 45-day weather - long-range outlook
Next 16 days · forecast
29°
around 27° at night · days with rain: 12
Weeks 3-4 · avg for September
33°
around 25° at night · rain chance 79%
Weeks 5-7 · avg for October
32°
around 25° at night · rain chance 59%
The 30 & 45-day outlook for Samut Prakan: the next 16 days are a numerical forecast updated daily - on average 29° by day and 27° at night. Further out we rely on multi-year climate averages: around 33° in September, and about 32° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Samut Prakan
Saturday5 September 2026
🌧️32°light rain
sunrise 06:06 · sunset 18:26 · night 32° · evening 35° · rain 0.24 mm · humidity 59% · wind 6 m/s · clouds 98%
Sunday6 September 2026
🌧️35°light rain
sunrise 06:06 · sunset 18:26 · night 32° · evening 34° · rain 2.06 mm · humidity 54% · wind 7 m/s · clouds 95%
Monday7 September 2026
🌧️32°light rain
sunrise 06:06 · sunset 18:25 · night 29° · evening 30° · rain 0.2 mm · humidity 53% · wind 6 m/s · clouds 95%
Tuesday8 September 2026
☁️31°overcast clouds
sunrise 06:06 · sunset 18:24 · night 29° · evening 29° · rain 0.47 mm · humidity 59% · wind 6 m/s · clouds 100%
Wednesday9 September 2026
🌧️31°light rain
sunrise 06:06 · sunset 18:24 · night 29° · evening 29° · rain 0.51 mm · humidity 59% · wind 6 m/s · clouds 100%
Thursday10 September 2026
🌧️32°heavy rain
sunrise 06:06 · sunset 18:23 · night 26° · evening 25° · rain 63.66 mm · humidity 58% · wind 4 m/s · clouds 97%
Friday11 September 2026
🌧️28°moderate rain
sunrise 06:06 · sunset 18:22 · night 26° · evening 27° · rain 20.25 mm · humidity 77% · wind 5 m/s · clouds 100%
Saturday12 September 2026
🌧️27°light rain
sunrise 06:06 · sunset 18:21 · night 25° · evening 25° · rain 6.96 mm · humidity 77% · wind 4 m/s · clouds 98%
Sunday13 September 2026
🌧️27°moderate rain
sunrise 06:06 · sunset 18:21 · night 25° · evening 25° · rain 10.11 mm · humidity 75% · wind 5 m/s · clouds 100%
Monday14 September 2026
🌧️24°heavy rain
sunrise 06:06 · sunset 18:20 · night 23° · evening 24° · rain 51.87 mm · humidity 95% · wind 8 m/s · clouds 100%
Tuesday15 September 2026
🌧️24°light rain
sunrise 06:07 · sunset 18:19 · night 24° · evening 25° · rain 3.81 mm · humidity 92% · wind 7 m/s · clouds 100%
Wednesday16 September 2026
🌧️33°light rain
sunrise 06:07 · sunset 18:19 · night 28° · evening 29° · rain 1.8 mm · humidity 56% · wind 7 m/s · clouds 55%
Thursday17 September 2026
🌧️31°moderate rain
sunrise 06:07 · sunset 18:18 · night 25° · evening 26° · rain 5.28 mm · humidity 61% · wind 6 m/s · clouds 100%
Friday18 September 2026
🌧️25°light rain
sunrise 06:07 · sunset 18:17 · night 24° · evening 25° · rain 4.56 mm · humidity 90% · wind 6 m/s · clouds 100%
Saturday19 September 2026
🌧️29°light rain
sunrise 06:07 · sunset 18:16 · night 27° · evening 27° · rain 4.41 mm · humidity 69% · wind 4 m/s · clouds 90%
Sunday20 September 2026
🌧️28°moderate rain
sunrise 06:07 · sunset 18:16 · night 27° · evening 26° · rain 12.51 mm · humidity 78% · wind 6 m/s · clouds 100%
UV index in Samut Prakan - is it safe to sunbathe?
Today the UV index in Samut Prakan is 7 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Warmest, driest months on average: January, February, November, December.
Upcoming public holidays in Thailand: King Bhumibol Memorial Day — 13 October · Chulalongkorn Day — 23 October · King Bhumibol's Birthday, National Day and Father's Day — 7 December. Full calendar and travel notes