Daily Weather Forecast
18 May 2026Weather Forecast
19 May 2026Scattered thundershowers and isolated heavy rain in Phetchaburi, Prachuap Khiri Khan, Chumphon, Surat Thani, Nakhon Si Thammarat, Phatthalung and Songkhla. Minimum temperature 23-25 °C. Maximum temperature 33-35 °C. Surat Thani upwards: Southwesterly winds 20-35 km./hr. Wave height about 2 meters and above 2 meters in offshore and thundershowers. Nakhon Si Thammarat downwards: Southwesterly winds 15-35 km./hr. Wave height 1-2 meters, about 2 meters offshore and above 2 meters in thundershowers.
7 days Weather Forecast
Weather Outlook During 18 – 24 May 2026During 18 - 22 May, scattered to fairly widespread thundershowers and isolated heavy rains. Isolated very heavy rains during 19 - 21 May in the upper part. From Surat Thani upward: southwesterly winds 20 – 35 km/hr. Wave height 1 – 2 meters, about 2 meters offshore and above 2 meters in thundershowers. From Nakhon Si Thammarat downward: southwesterly winds 15 - 35 km/hr. Wave height about 1 meter, 1 – 2 meters offshore and above 2 meters in hundershowers. During 23 - 24 May, scattered thundershowers. From Surat Thani upward: southwesterly winds 15 - 35 km/hr. Wave height about 1 meter, 1 – 2 meters offshore and above 2 meters in thundershowers. From Nakhon Si Thammarat downward: southwesterly winds 15 - 30 km/hr. Wave height about 1 meter and above 2 meters in thundershowers. Minimum temperature 23 - 27 °C. Maximum temperature 32 - 37 °C.
Announcement Date 18 May 2026
7 day Weather Summary
11 May 2026 - 17 May 2026Hot weather in some areas. Fairly widespread rain except for scattered rain on 15 and 16 May with heavy rainfall in some areas almost the week and very heavy rainfall in some areas on 12, 13 and 15 May. Gusty wind was reported in Surat Thani province on 11 May.
Announcement Date 18 May 2026
Weekly Weather Forecast
11 May 26 - 17 May 26
Rain 40-60% of area
Wave Height 1-2 m.
35-37°
24-26°
18 May 26 - 24 May 26
Rain 40-60% of area
Wave Height > 2 m.
35-37°
24-26°
25 May 26 - 31 May 26
Rain 20-40% of area
Wave Height 1-2 m.
35-37°
24-26°
01 Jun 26 - 07 Jun 26
Rain 20-40% of area
Wave Height 1-2 m.
34-36°
24-26°
Update every Monday
Monthly Weather Forecast
November 2022
There will be thunderstorms 60-80% of the area with heavy to very heavy rain in some days. The sea has waves 2 – 3 meters high.
Max. Temp. 30-32 °C
Min. Temp. 23-25 °C
Wind SW Speed 15-28 km./hr.
RH 85-90 %
Rainfall Amount 350-450 mm.
Rainy Day 16-18 Day
Announcement Date 01 November 2022