weather

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Get current weather and forecasts (no API key required).

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Sourcevolcengine/openviking
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NPX Install

npx skill4agent add volcengine/openviking weather

SKILL.md Content

Weather

Two free services, no API keys needed.

wttr.in (primary)

Quick one-liner:
bash
curl -s "wttr.in/London?format=3"
# Output: London: ⛅️ +8°C
Compact format:
bash
curl -s "wttr.in/London?format=%l:+%c+%t+%h+%w"
# Output: London: ⛅️ +8°C 71% ↙5km/h
Full forecast:
bash
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:
bash
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