Get current weather and forecasts via wttr.in or Open-Meteo. Use when: user asks about weather, temperature, or forecasts for any location. NOT for: historical weather data, severe weather alerts, or detailed meteorological analysis. No API key needed.

通过 wttr.in 或 Open-Meteo 获取当前天气和预报。适用于：用户询问任何地点的天气、温度或预报。不适用于：历史天气数据、恶劣天气警报或详细气象分析。无需 API 密钥。