VeriSky
VeriSky

This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.

Logo of VeriSky

VeriSky

Stop guessing and start verifying. Compare global models like ECMWF and AI-powered AIFS side-by-side. Use our signature Ghost Line to see exactly how past predictions performed against reality—no ads, no accounts, just pure data for the weather prosumer.

Key Figures

Downloads

100+

User Rating

1.0/5

Total Ratings

0

Publisher

Nick Leenders

Category

Weather

Locales

1

Latest Version

1.1.5

Size

32.9 MB

First Released

Feb 19, 2026
Features

Stop Guessing, Start Verifying

VeriSky brings transparency to weather forecasting. Compare the world's most advanced physics and AI models to find the truth for your specific location.

Multi-Model Benchmarking

View side-by-side data from ECMWF, GFS, and ICON. Identify model consensus and variance before making high-stakes decisions.

The Ghost Line Audit

Compare past predictions against what actually happened. One glance tells you which model is performing best in your micro-climate today.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

VeriSky - VeriSky app interface showing a 10 day weather forecast timeline for Amsterdam with model comparison options

VeriSky app interface showing a 10 day weather forecast timeline for Amsterdam with model comparison options

VeriSky - VeriSky app interface displaying weather data for Amsterdam with the AI-powered AIFS model and ghost line forecast verification.

VeriSky app interface displaying weather data for Amsterdam with the AI-powered AIFS model and ghost line forecast verification.

VeriSky - Table comparing accuracy scores of weather models like IFS GFS and ICON for temperature rain wind and sun in Amsterdam.

Table comparing accuracy scores of weather models like IFS GFS and ICON for temperature rain wind and sun in Amsterdam.

VeriSky - The settings screen of the VeriSky app showing unit selections for temperature and wind speed and toggles for data chart layers.

The settings screen of the VeriSky app showing unit selections for temperature and wind speed and toggles for data chart layers.

Description

Ever wondered how accurate your weather forecast actually is? VeriSky lets you find out. See the Full Picture: VeriSky overlays past predictions against what actually happened, so you can see exactly where the forecast got it right and where it missed. Scroll back up to 7 days to compare what was predicted versus observed conditions. Switch between forecast models including: - ECMWF IFS: the gold standard in global forecasting - ECMWF AIFS — ECMWF's new AI-powered model - GFS — NOAA's widely-used American model - AIGFS — NOAA's new AI-powered model - ICON — Germany's DWD high-resolution model See how each model performs for your specific location and find the one that works best for you. Also includes a weighted ensemble model from the forecasts you choose, showing uncertainty as well. The Ghost Line: Our signature feature: see what a model predicted on previous days overlaid on what actually happened. One glance tells you how much you can trust tomorrow's forecast. Verify It Yourself: Report how the weather actually feels to you. VeriSky uses your reports to calculate per-model bias corrections, making your forecasts smarter over time. Key Features: - Interactive timeline from 7 days past to 10 days ahead - Detailed daily charts with temperature, sunshine, UV, precipitation, and wind - Rain vs. snow breakdown when available No account required. No ads. Just weather, verified.

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This page is not an official page of the app or its developer, but an independent editorial publication created for informational and commentary purposes. Unless expressly stated otherwise, neither the app nor its developer is affiliated with, endorsed by, sponsored by, authorized by, or otherwise officially connected with MWM, Apple, Google Play, the app publisher, or the app's developer, and nothing on this page implies that the app was developed using MWM's services. Any trademarks, logos, screenshots, and other content remain the property of their respective owners.