{"v":1,"product":"umbrella","lang":"en","town":{"slug":"istanbul-tr","name":"Istanbul","name_en":"Istanbul","name_ja":"イスタンブール","label":"Istanbul, Türkiye","region":null,"country_code":"TR","country":"Türkiye","timezone":"Europe/Istanbul","lat":41.01,"lon":28.95},"local_time":{"date":"2026-10-12","hour":16,"timezone":"Europe/Istanbul","hours_start_minute":0},"head_day":"today","days":[{"day":"today","date":"2026-10-12","answer":{"verdict":"none","wet_spans":[],"wet_hours":0,"precipitation_mm":0,"peak_mm_per_hour":0,"hard_to_hold_in_wind":false,"morning_run":null,"afternoon_run":{"wet":false,"precipitation_mm":0},"looked_from_hour":16,"looked_to_hour":22},"text":"No umbrella is needed","sentence":"Istanbul, Türkiye, 2026-10-12: No umbrella is needed.","points":["No rain or snow is forecast from 16:00 to 22:00.","Afternoon pick-up (15:00–18:00): dry in the forecast."],"numbers":{"temp_min_c":17.4,"temp_max_c":23.1,"precipitation_mm":0,"sky":"partly","hours":[{"hour":16,"sky":"fair","precipitation_mm":0,"wind_ms":2.9,"wet":false,"windy_and_wet":false},{"hour":17,"sky":"partly","precipitation_mm":0,"wind_ms":2.7,"wet":false,"windy_and_wet":false},{"hour":18,"sky":"partly","precipitation_mm":0,"wind_ms":2.6,"wet":false,"windy_and_wet":false},{"hour":19,"sky":"partly","precipitation_mm":0,"wind_ms":2.8,"wet":false,"windy_and_wet":false},{"hour":20,"sky":"partly","precipitation_mm":0,"wind_ms":2.7,"wet":false,"windy_and_wet":false},{"hour":21,"sky":"partly","precipitation_mm":0,"wind_ms":2.2,"wet":false,"windy_and_wet":false}]}},{"day":"tomorrow","date":"2026-10-13","answer":{"verdict":"gear","wet_spans":[{"from_hour":6,"to_hour":15},{"from_hour":19,"to_hour":22}],"wet_hours":12,"precipitation_mm":9.2,"peak_mm_per_hour":4.4,"hard_to_hold_in_wind":false,"morning_run":{"wet":true,"precipitation_mm":2.4},"afternoon_run":{"wet":false,"precipitation_mm":0},"looked_from_hour":6,"looked_to_hour":22},"text":"An umbrella and rain gear are needed","sentence":"Istanbul, Türkiye, 2026-10-13: An umbrella and rain gear are needed.","points":["Rain or snow is forecast for 6:00–15:00, 19:00–22:00.","Precipitation in those hours adds up to 9.2 mm, and the most in one hour is 4.4 mm.","Morning school run (7:00–9:00): rain or snow is forecast.","Afternoon pick-up (15:00–18:00): dry in the forecast.","There are hours with 4 mm or more. An umbrella alone will not keep you dry, so a raincoat and boots fit better."],"numbers":{"temp_min_c":16.1,"temp_max_c":18.5,"precipitation_mm":10.9,"sky":"rain","hours":[{"hour":6,"sky":"rain","precipitation_mm":4.4,"wind_ms":2.2,"wet":true,"windy_and_wet":false},{"hour":7,"sky":"rain","precipitation_mm":1.9,"wind_ms":1.5,"wet":true,"windy_and_wet":false},{"hour":8,"sky":"rain","precipitation_mm":0.5,"wind_ms":2,"wet":true,"windy_and_wet":false},{"hour":9,"sky":"rain","precipitation_mm":0.1,"wind_ms":2,"wet":true,"windy_and_wet":false},{"hour":10,"sky":"rain","precipitation_mm":0.2,"wind_ms":2.2,"wet":true,"windy_and_wet":false},{"hour":11,"sky":"rain","precipitation_mm":0.3,"wind_ms":2.9,"wet":true,"windy_and_wet":false},{"hour":12,"sky":"rain","precipitation_mm":0.6,"wind_ms":2.9,"wet":true,"windy_and_wet":false},{"hour":13,"sky":"rain","precipitation_mm":0.2,"wind_ms":3.2,"wet":true,"windy_and_wet":false},{"hour":14,"sky":"rain","precipitation_mm":0.2,"wind_ms":3.4,"wet":true,"windy_and_wet":false},{"hour":15,"sky":"cloudy","precipitation_mm":0,"wind_ms":4.3,"wet":false,"windy_and_wet":false},{"hour":16,"sky":"cloudy","precipitation_mm":0,"wind_ms":5.9,"wet":false,"windy_and_wet":false},{"hour":17,"sky":"cloudy","precipitation_mm":0,"wind_ms":6.9,"wet":false,"windy_and_wet":false},{"hour":18,"sky":"cloudy","precipitation_mm":0,"wind_ms":6.5,"wet":false,"windy_and_wet":false},{"hour":19,"sky":"rain","precipitation_mm":0.1,"wind_ms":6.3,"wet":true,"windy_and_wet":false},{"hour":20,"sky":"rain","precipitation_mm":0.2,"wind_ms":6.4,"wet":true,"windy_and_wet":false},{"hour":21,"sky":"rain","precipitation_mm":0.5,"wind_ms":5.6,"wet":true,"windy_and_wet":false}]}}],"forecast":{"provider":"MET Norway","updated":"2026-10-12T13:18:05Z","expires":"2026-10-12T13:56:04Z"},"page":"https://mujo-25h.pages.dev/umbrella/istanbul-tr/","rules":"https://mujo-25h.pages.dev/umbrella/#rules","docs":"https://mujo-25h.pages.dev/openapi.json","note":"This answer is a rule of thumb. It follows this site's own rules and is derived from a forecast, which can be wrong. How it is decided is listed on the page.","publisher":"mujo by 25h","attribution":[{"name":"MET Norway","url":"https://api.met.no/","license":"NLOD 2.0 and CC BY 4.0","license_url":"https://api.met.no/doc/License","text":"Weather: based on data from MET Norway (The Norwegian Meteorological Institute), under NLOD 2.0 and CC BY 4.0 (licence text). The location is rounded and only the hours this page uses are kept."},{"name":"GeoNames","url":"https://www.geonames.org/","license":"CC BY 4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","text":"Town list: based on data from GeoNames (CC BY 4.0). Only towns of about 15,000 people or more and capitals are used, and coordinates are rounded."}]}