Europe/Istanbul

Istanbul

D+1 Temperature · Mean absolute error in °C · Lower is better

Search another tracked city and jump straight into its ranking.

Current leader

WeatherAPI

Official

MAE score

1.33°C

Samples

Coverage

100%

All providers

OfficialSettled data.

PreliminaryMay still shift.

Thin sampleLimited data.

WeatherAPI

Official

1.33°C

28 samples100% coverage

MET Norway

Official

1.48°C+0.15

28 samples100% coverage

Requires attribution

Visual Crossing

Official

1.62°C+0.29

26 samples93% coverage

Pirate Weather

Official

1.79°C+0.46

28 samples100% coverage

Bright Sky

Preliminary

2.15°C+0.82

22 samples79% coverage

Requires attribution

—

Open-Meteo

OfficialDisplay only

1.55°C+0.22

28 samples100% coverage

This provider is shown for reference but is not included in the ranked comparison.

D+1 Temperature — Mean absolute error

Each provider's next-day temperature forecast is compared against the observed high. The score is the average absolute difference in °C. Lower MAE means the provider's forecasts have been closer to reality.

28 total samples from leader·100% day coverage from leader·Official

Provider attribution and policy

This ranking includes data from: WeatherAPI, MET Norway, Visual Crossing, Pirate Weather, Bright Sky, Open-Meteo.

Data from MET Norway, licensed under Norwegian Licence for Open Government Data (NLOD).

Based on data from Deutscher Wetterdienst (DWD), made available through Bright Sky.

Data from Open-Meteo. Display only — not included in ranked comparisons pending commercial use review.

Skyversus is an independent comparison project. Provider inclusion does not imply partnership, endorsement, or affiliation.