weather

Get current weather and forecasts using free APIs (no API key required). Use when asked about weather, temperature, forecasts, or climate conditions for any location.

9 stars

byorthogonal-sh

View on GitHub Installation ↓

Best use case

weather is best used when you need a repeatable AI agent workflow instead of a one-off prompt.

Get current weather and forecasts using free APIs (no API key required). Use when asked about weather, temperature, forecasts, or climate conditions for any location.

Teams using weather should expect a more consistent output, faster repeated execution, less prompt rewriting.

When to use this skill

You want a reusable workflow that can be run more than once with consistent structure.

When not to use this skill

You only need a quick one-off answer and do not need a reusable workflow.
You cannot install or maintain the underlying files, dependencies, or repository context.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/orthogonal-weather/SKILL.md --create-dirs "https://raw.githubusercontent.com/orthogonal-sh/skills/main/skills/orthogonal-weather/SKILL.md"

Manual Installation

Download SKILL.md from GitHub
Place it in .claude/skills/orthogonal-weather/SKILL.md inside your project
Restart your AI agent — it will auto-discover the skill

How weather Compares

Feature / Agent	weather	Standard Approach
Platform Support	Not specified	Limited / Varies
Context Awareness	High	Baseline
Installation Complexity	Unknown	N/A

Frequently Asked Questions

What does this skill do?

Get current weather and forecasts using free APIs (no API key required). Use when asked about weather, temperature, forecasts, or climate conditions for any location.

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

SKILL.md Source

# Weather

Get weather data using free services - no API keys needed.

## wttr.in (Primary)

Fast, simple, works everywhere.

**Quick check:**
```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
| Code | Meaning |
|------|---------|
| `%c` | Weather condition emoji |
| `%t` | Temperature |
| `%h` | Humidity |
| `%w` | Wind |
| `%l` | Location |
| `%m` | Moon phase |

### Tips
- URL-encode spaces: `wttr.in/New+York` or `wttr.in/San%20Francisco`
- Airport codes work: `wttr.in/JFK`, `wttr.in/SFO`
- Units: `?m` metric, `?u` USCS (Fahrenheit)
- Limit days: `?1` today only, `?0` current only
- Save as image: `curl -s "wttr.in/Berlin.png" -o weather.png`

## Open-Meteo (JSON API)

Better for programmatic use. Free, no key.

```bash
curl -s "https://api.open-meteo.com/v1/forecast?latitude=37.77&longitude=-122.42&current_weather=true"
```

Response includes: temperature, windspeed, weathercode, time.

### Get coordinates first
```bash
curl -s "https://geocoding-api.open-meteo.com/v1/search?name=San+Francisco&count=1"
```

## Examples

**San Francisco right now:**
```bash
curl -s "wttr.in/San+Francisco?format=3"
```

**Tokyo 3-day forecast:**
```bash
curl -s "wttr.in/Tokyo?3T"
```

**JSON weather for coordinates:**
```bash
curl -s "https://api.open-meteo.com/v1/forecast?latitude=35.68&longitude=139.69&current_weather=true&hourly=temperature_2m"
```

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