Koh Kong Forecast Models Compared – ECMWF, GFS, ICON, JMA
Four models compared
| ECMWF IFS | NOAA GFS | DWD ICON | JMA | Agreement | |
|---|---|---|---|---|---|
| Monday 21/09 | 29° 9.9mm | 26° 27.5mm | 31° 0.4mm | 29° 4.3mm | 60% ±4.4° · 3/4 |
| Tuesday 22/09 | 31° 14.2mm | 27° 63.8mm | 31° 7.8mm | 29° 10.9mm | 76% ±3.8° · 4/4 |
| Wednesday 23/09 | 28° 9.3mm | 29° 39.9mm | 32° 6.0mm | 28° 13.2mm | 77% ±3.7° · 4/4 |
When the models disagree, confidence in that day is lower.
- ECMWF IFS — ECMWF (EU), 25 km
- NOAA GFS — NOAA (US), 13 km
- DWD ICON — Deutscher Wetterdienst, 11 km
- JMA — Japan Met. Agency, 5 km
Verified accuracy
| Lead time | Mean temperature error | Within 2°C | Rain call correct | Days verified |
|---|---|---|---|---|
| 1d | 1.36 °C | 90% | 100% | 21 |
| 2d | 1.80 °C | 70% | 100% | 20 |
| 3d | 1.93 °C | 63% | 100% | 19 |
Every day the system stores the forecast it issued, then checks it against observed data. These numbers are the result of that check, not a marketing claim.
2026-08-13 → 2026-09-02 · n=60
Common questions
Will it rain in Koh Kong today?
Yes. Rain is expected around 02:00–00:00, totalling roughly 11.4 mm.
How hot is it in Koh Kong today?
Between 26°C and 29°C, with a felt maximum of 33°C.
What is the weather in Koh Kong tomorrow?
Tomorrow: thunderstorm, 26–28°C, with a 100% chance of rain.