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Ko Samui Weather Update: Rainfall Forecast
Ko Samui has been placed under a high severity weather alert for rain as forecast precipitation levels exceed established thresholds.
An automatic alert was issued by wweather1.com based on forecast data indicating significant rainfall for Ko Samui on October 29, 2026.
According to the latest meteorological data, the forecasted precipitation has reached 30.6 millimeters, crossing the 30 millimeter threshold set for this alert level.
The high-severity rain alert commenced on October 29, 2026, as continuous monitoring systems registered the elevated precipitation metric for the area.
Why it is dangerous and what to do
⚠️ Safety
• Monitor local weather updates and official advisories.
• Exercise caution while traveling on wet roads.
• Secure outdoor items that may be affected by rain.
📊 The numbers, from wweather1 data
Ko Samui: now +24°, Rain showers.
The record for this date is +30° (2023).
Three-day forecast: 28 October: +27°/+24° · 29 October: +28°/+24° · 30 October: +29°/+25°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates. 🌍 Weather in nearby cities
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📰 Data source: wweather1. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.