How to Scrape Weather Data from Free APIs (Node.js)

Weather data is valuable for agriculture, logistics, and energy companies.

Open-Meteo (Best Free Option)

No API key needed:

async function getWeather(lat, lon) {
  const url = `https://api.open-meteo.com/v1/forecast?latitude=${lat}&longitude=${lon}&current_weather=true&hourly=temperature_2m`;
  const res = await fetch(url);
  return res.json();
}

const weather = await getWeather(40.71, -74.00); // NYC
console.log(weather.current_weather);

Other Free Weather APIs

API	Key	Free Tier
Open-Meteo	None	Unlimited
OpenWeatherMap	Required	1000 calls/day
WeatherAPI	Required	1M calls/month
Visual Crossing	Required	1000 results/day

Data Available

• Current temperature, wind, humidity
• Hourly and daily forecasts
• Historical weather data
• UV index, air quality
• Sunrise/sunset times

Use Cases

1. Agriculture planning
2. Logistics and shipping
3. Energy demand forecasting
4. Event planning
5. Insurance risk assessment

Resources

• 9 Free APIs
• 77 Free Scrapers

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