City
Core Weather Current conditions, forecasts & temperature trends
Current Conditions · Open-Meteo
API →
Fetching current conditions…
UV Index · CurrentUVIndex
API →
Checking UV levels…
5-Day Forecast · Open-Meteo
API →
Loading forecast…
24h Temperature · Open-Meteo
API →
Charting hourly temps…
WTTR.in Weather
API →
Consulting the terminal oracle…
City Comparison · Open-Meteo
API →
Gathering global readings…
GFS Model Forecast · 7Timer
API →
Running GFS model…
Ocean & Waves · Open-Meteo Marine
API →
Reading ocean conditions…

Government & Aviation Official forecasts, alerts & aviation weather
Weather Alerts · NWS
API →
Scanning NWS alerts…
Detailed Forecast · NWS
API →
Loading NWS forecast…
Aviation Weather · Open-Meteo
API →
Checking aviation conditions…
Yesterday vs Today · Open-Meteo
API →
Comparing recent weather…

Air Quality & Environment Pollution indices, pollen counts & atmospheric composition
Air Quality · Open-Meteo AQ
API →
Analyzing air quality…
WAQI · AQICN.orgDemo Token
API →
Fetching WAQI data…
Air Composition · Open-Meteo AQ
API →
Sampling air composition…
Pollen Forecast · AmbeeFree Tier
API →
Counting pollen grains…

Marine & Specialty Ocean conditions, visual crossing & premium APIs
Marine Weather · Storm GlassFree Tier
API →
Reading ocean buoys…
Visual CrossingFree Tier
API →
Querying Visual Crossing…
WeatherAPI.comFree Tier
API →
Querying WeatherAPI…
More APIs in Catalog

These APIs require registration for an API key. They are cataloged in weather.json but need signup to use:

EPA Air Quality System Signup →
NOAA Climate Data Online Signup →
Google Maps Air Quality Signup →