Kampong Cham Forecast Models Compared – ECMWF, GFS, ICON, JMA
Four models compared
| ECMWF IFS | NOAA GFS | DWD ICON | JMA | Agreement | |
|---|---|---|---|---|---|
| Monday 21/09 | 31° 9.0mm | 31° 12.2mm | 30° 13.2mm | 29° 9.3mm | 88% ±1.9° · 4/4 |
| Tuesday 22/09 | 30° 9.1mm | 30° 44.0mm | 31° 13.5mm | 30° 19.1mm | 91% ±1.5° · 4/4 |
| Wednesday 23/09 | 30° 9.0mm | 31° 12.0mm | 32° 4.5mm | 30° 19.3mm | 86% ±2.3° · 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 | 0.71 °C | 95% | 90% | 21 |
| 2d | 0.73 °C | 95% | 80% | 20 |
| 3d | 1.24 °C | 74% | 74% | 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 Kampong Cham today?
Yes. Rain is expected around 00:00–00:00, totalling roughly 21.7 mm.
How hot is it in Kampong Cham today?
Between 25°C and 30°C, with a felt maximum of 37°C.
What is the weather in Kampong Cham tomorrow?
Tomorrow: thunderstorm, 24–30°C, with a 100% chance of rain.