weather

name: weather description: Get current weather and forecasts for any location (no API key required). Use when the user asks about the weather, temperature, forecast, or climate conditions in a city or region. requires: bins: - curl

Two free services, no API keys needed. Use the exec tool to run curl commands.

wttr.in (primary)

Quick one-liner:

curl -s "wttr.in/London?format=3"
# Output: London: +8C

Compact format:

curl -s "wttr.in/London?format=%l:+%c+%t+%h+%w"
# Output: London: +8C 71% 5km/h

Full forecast:

curl -s "wttr.in/London?T"

Format codes: %c condition, %t temp, %h humidity, %w wind, %l location, %m moon

Tips:

URL-encode spaces: wttr.in/New+York
Airport codes: wttr.in/JFK
Units: ?m (metric) ?u (USCS)
Today only: ?1 / Current only: ?0
PNG: curl -s "wttr.in/Berlin.png" -o /tmp/weather.png

Open-Meteo (fallback, JSON)

Free, no key, good for programmatic use:

curl -s "https://api.open-meteo.com/v1/forecast?latitude=51.5&longitude=-0.12&current_weather=true"

Find coordinates for a city, then query. Returns JSON with temp, windspeed, weathercode.

Docs: https://open-meteo.com/en/docs