Preah Sihanouk Forecast Models Compared – ECMWF, GFS, ICON, JMA
Four models compared
| ECMWF IFS | NOAA GFS | DWD ICON | JMA | Agreement | |
|---|---|---|---|---|---|
| Thursday 05/11 | 31° 8.0mm | 34° 4.6mm | 32° 6.9mm | 29° 2.0mm | 67% ±5.2° · 4/4 |
| Friday 06/11 | 31° 1.7mm | 33° 0.0mm | 32° 1.4mm | 29° 7.5mm | 66% ±3.5° · 3/4 |
| Saturday 07/11 | 31° 5.0mm | 32° 9.1mm | 32° 1.0mm | 30° 1.1mm | 83% ±2.8° · 4/4 |
| Sunday 08/11 | 32° 7.9mm | 32° 6.0mm | 33° 1.1mm | 29° 0.2mm | 64% ±3.7° · 3/4 |
| Monday 09/11 | 32° 0.2mm | 31° 2.4mm | 33° 0.0mm | 30° 1.4mm | 56% ±3° · 2/4 |
| Tuesday 10/11 | 33° 0.2mm | 33° 0.0mm | 34° 0.0mm | 30° 0.1mm | 77% ±3.7° · 0/4 |
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 9.8 mm.
How hot is it in Preah Sihanouk today?
Between 25°C and 31°C, with a felt maximum of 38°C.
What is the weather in Preah Sihanouk tomorrow?
Tomorrow: light showers, 24–30°C, with a 86% chance of rain.
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