weather

1# Weather
2 
3Two free services, no API keys needed.
4 
5## wttr.in (primary)
6 
7Quick one-liner:
8```bash
9curl -s "wttr.in/London?format=3"
10# Output: London: ⛅️ +8°C
11```
12 
13Compact format:
14```bash
15curl -s "wttr.in/London?format=%l:+%c+%t+%h+%w"
16# Output: London: ⛅️ +8°C 71% ↙5km/h
17```
18 
19Full forecast:
20```bash
21curl -s "wttr.in/London?T"
22```
23 
24Format codes: `%c` condition · `%t` temp · `%h` humidity · `%w` wind · `%l` location · `%m` moon
25 
26Tips:
27- URL-encode spaces: `wttr.in/New+York`
28- Airport codes: `wttr.in/JFK`
29- Units: `?m` (metric) `?u` (USCS)
30- Today only: `?1` · Current only: `?0`
31- PNG: `curl -s "wttr.in/Berlin.png" -o /tmp/weather.png`
32 
33## Open-Meteo (fallback, JSON)
34 
35Free, no key, good for programmatic use:
36```bash
37curl -s "https://api.open-meteo.com/v1/forecast?latitude=51.5&longitude=-0.12&current_weather=true"
38```
39 
40Find coordinates for a city, then query. Returns JSON with temp, windspeed, weathercode.
41 
42Docs: https://open-meteo.com/en/docs