Giresun weather: the models compared
Giresun, tomorrow (Friday): a high of 20–21 °C and a low of 15–19 °C across 4 models.
Rain over the next 7 days: ECMWF IFS 26 mm, ECMWF AIFS 37 mm, NOAA GFS 28 mm.
The models are close on the temperature on 5 of the 10 days.
Day by day
| Day | ECMWF IFS | ECMWF AIFS | NOAA GFS | DWD ICON-EU | Models |
|---|---|---|---|---|---|
| Today | 19° / 15° | 18° / 13°Rain 0.2 mm | 18° / 13° | 18° / 13° | Some spread |
| Tomorrow | 20° / 19° | 21° / 17° | 21° / 17° | 20° / 15° | Models disagree |
| Saturday, Nov 14 | 20° / 18° | 21° / 18°Rain 0.9 mm | 20° / 17° | 21° / 17°Rain 0.2 mm | Some spread |
| Sunday, Nov 15 | 17° / 13°Rain 23 mm | 15° / 11°Rain 31 mm | 17° / 11°Rain 26 mm | 16° / 12°Rain 17 mm | Some spread |
| Monday, Nov 16 | 14° / 12°Rain 1.6 mm | 13° / 10°Rain 0.6 mm | 13° / 11°Rain 0.1 mm | 12° / 10° | Some spread |
| Tuesday, Nov 17 | 15° / 12° | 17° / 10° | 14° / 12°Rain 2.1 mm | – | Models disagree |
| Wednesday, Nov 18 | 17° / 14° | 20° / 15°Rain 0.2 mm | 15° / 13° | – | Models disagree |
| Thursday, Nov 19 | 20° / 16°Rain 1.3 mm | 19° / 15°Rain 5.1 mm | 18° / 15° | – | Some spread |
| Friday, Nov 20 | 20° / 16°Rain 14 mm | 18° / 14°Rain 2.1 mm | 17° / 14°Rain 5.4 mm | – | Models disagree |
| Saturday, Nov 21 | 16° / 15°Rain 4.8 mm | 15° / 11°Rain 25 mm | 15° / 14°Rain 25 mm | – | Models disagree |
Runs used: ECMWF IFS, Nov 11 12 UTC run · ECMWF AIFS, Nov 11 18 UTC run · NOAA GFS, Nov 11 18 UTC run · DWD ICON-EU, Nov 11 18 UTC run. Updated Nov 12, 03:21 AM.
Why several models?
Each weather centre runs its own model of the atmosphere, and no single one is always right. When the models agree, the forecast is more certain; when they disagree, the weather is harder to call, and it is worth watching the newer runs. The Lab's Forecast mode shows each model's maps, and Compare models sets them side by side for any place.
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Data: ECMWF (CC BY 4.0), NOAA (public domain), DWD (CC BY 4.0). Places: GeoNames (CC BY 4.0).