Show HN: T-Shirt Weather. See the multi-day forecast for any city on a world map

Category: other

Tags: weather, maps, forecast, visualization

Score: 4.0/10 (Innovation: 4, Technical: 3, Documentation: 3, Utility: 5)

T-Shirt Weather is a web map that displays current and forecast weather for cities worldwide, with a toggle to highlight 't-shirt weather' (warm and dry conditions). It uses Open-Meteo for weather data and GeoNames for city data, and allows users to view past weather for trip planning. The project is a simple but useful visualization tool, though not technically complex or novel.

Target audience: general public, travelers

Repository: https://tshirtweather.fyi

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