Siam Weather Today
Bangkok, Thailand · Updated Monday, March 16, 2026 at 4:38 PM ET
83°F
Scattered Clouds
Feels like 86°F · H 84°F / L 80°F
Humidity
61%
Wind
7 mph
S
Visibility
6 mi
Pressure
1010
hPa
Cloud Cover
30%
Siam Weather Right Now
Siam weather today is 83°F with scattered clouds. The high will reach 84°F and the low will drop to 80°F. It feels like 86°F outside. Humidity is at 61% with winds from the S at 7 mph. Visibility is 6 miles with 30% cloud cover and a pressure of 1010 hPa.
5-Day Forecast
Tue, Mar 17
91°F
82°F
Scattered Clouds
Wed, Mar 18
92°F
82°F
Few Clouds
Thu, Mar 19
93°F
83°F
Overcast Clouds
Fri, Mar 20
94°F
82°F
Clear Sky
Sat, Mar 21
94°F
83°F
Clear Sky
About Siam Weather
Siam Square is Bangkok's commercial epicenter and thermal hotspot — the convergence of six BTS lines, multiple mega-malls, and dense pedestrian crowds generates extraordinary waste heat. Air conditioning exhaust from the malls creates a heated street-level environment even at night.