yr-weather
// Fetch weather forecasts from the Norwegian Meteorological Institute (MET) using the yr.no API. Use when the user asks for weather information, forecasts, temperature, precipitation, wind conditions, or any weather-related queries for specific locations. Supports coordinates-based lookups and returns
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SKILL.md Frontmatter
nameyr-weather
descriptionFetch weather forecasts from the Norwegian Meteorological Institute (MET) using the yr.no API. Use when the user asks for weather information, forecasts, temperature, precipitation, wind conditions, or any weather-related queries for specific locations. Supports coordinates-based lookups and returns current conditions plus forecasts. REQUIRES latitude/longitude - no defaults. See common locations table.
Yr.no Weather
Get weather forecasts from MET Norway via yr.no API (free, no key).
Quick Start
# Current weather + forecast (requires lat/lon)
python3 {baseDir}/scripts/weather.py <lat> <lon> [altitude]
# Examples from common locations:
python3 {baseDir}/scripts/weather.py -33.9288 18.4174 # Cape Town
python3 {baseDir}/scripts/weather.py -33.8688 151.2093 # Sydney
python3 {baseDir}/scripts/weather.py 51.5074 -0.1278 # London
# Tomorrow's summary (requires lat/lon)
python3 {baseDir}/scripts/tomorrow.py <lat> <lon>
# Run tests
python3 -m unittest discover {baseDir}/tests
Tests
- Unit tests mock API calls (no network).
- Sample data in
scripts/tests/data/. - Run:
cd {baseDir}/scripts && python3 ../tests/test_*.py
Common Locations
| City | Lat | Lon |
|---|---|---|
| Cape Town | -33.9288 | 18.4174 |
| Johannesburg | -26.2041 | 28.0473 |
| Durban | -29.8587 | 31.0218 |
| Sydney | -33.8688 | 151.2093 |
| London | 51.5074 | -0.1278 |
| New York | 40.7128 | -74.0060 |
| Tokyo | 35.6762 | 139.6503 |
Structure
scripts/
├── yr_service.py # API calls (tested/mocked)
├── utils.py # Emoji/symbol helpers
├── weather.py # Current + forecast CLI
├── tomorrow.py # Tomorrow summary CLI
└── tests/data/ # Sample JSON
tests/
├── test_weather.py
└── test_service.py
Standalone Repo
Install via pip: pip install git+https://github.com/brandoncrabpi/yr-weather.git
yr-weather -33.9288 18.4174- Tagged: v1.0.0
Usage Terms
- User-Agent required (included).
- Cache 10min+ per location.
- Credit: "Data from MET Norway".
Refactored for production: no defaults, tests, modular service.