Preah Sihanouk Forecast Models Compared – ECMWF, GFS, ICON, JMA
Four models compared
| ECMWF IFS | NOAA GFS | DWD ICON | JMA | Agreement | |
|---|---|---|---|---|---|
| Monday 21/09 | 28° 19.8mm | 26° 36.1mm | 30° 14.7mm | 28° 1.9mm | 79% ±3.4° · 4/4 |
| Tuesday 22/09 | 31° 5.3mm | 25° 54.7mm | 30° 5.7mm | 28° 9.8mm | 68% ±5.2° · 4/4 |
| Wednesday 23/09 | 29° 22.4mm | 27° 35.4mm | 32° 4.1mm | 28° 12.5mm | 74% ±4.1° · 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 | 1.83 °C | 48% | 95% | 21 |
| 2d | 2.23 °C | 35% | 95% | 20 |
| 3d | 2.53 °C | 32% | 95% | 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 Preah Sihanouk today?
Yes. Rain is expected around 00:00–00:00, totalling roughly 28.1 mm.
How hot is it in Preah Sihanouk today?
Between 25°C and 27°C, with a felt maximum of 32°C.
What is the weather in Preah Sihanouk tomorrow?
Tomorrow: thunderstorm, 25–28°C, with a 97% chance of rain.
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