published

Weather.gov API

The Weather.gov API provides free and reliable access to real-time and forecasted weather data, suitable for applications that require timely weather updates.

Developed by National Weather Service (NWS)

View Source
99.70%Uptime
420msLatency
280Stars
No AuthAuth
NoCredit Card
RESTStyle
v1Version
API Endpoints

Reference for available routes, request structures, and live examples.

Get weather forecast for specific coordinates

Full Endpoint URL
https://api.weather.gov/points/{latitude},{longitude}
Implementation Example
curl -X GET 'https://api.weather.gov/points/{latitude},{longitude}'
Request Payload
{
  "latitude": "38.8894",
  "longitude": "-77.0352"
}
Expected Response
{
  "properties": {
    "forecast": "https://api.weather.gov/gridpoints/LWX/96,70/forecast"
  }
}
Version:v1
Limit:Unlimited
Real-World Applications
  • Integrating real-time weather into public dashboardsOptimized Capability
  • Powering severe weather alert systems for citiesOptimized Capability
  • Embedding forecast data in travel or mapping appsOptimized Capability
  • Automating weather-dependent event schedulingOptimized Capability
  • Building region-specific weather monitoring solutionsOptimized Capability
Advantages
  • ✓ Free and open for public use
  • ✓ Authoritative, government-sourced data
  • ✓ No API key or sign-up required
  • ✓ Detailed severe weather alerts available
  • ✓ Up-to-date, cache-friendly responses
Limitations
  • ✗ U.S.-focused coverage only
  • ✗ No official SDKs or client libraries
  • ✗ No historical weather data endpoint
  • ✗ Occasional rate limits for heavy use
  • ✗ Support is documentation-driven only

FAQs

API Specifications

v1
Pricing Model
Free, government-provided
Credit Card
Not Required
Response Formats
JSON, GeoJSON
Supported Languages
7 Languages
SDK Support
REST Only
Time to Hello World

Less than 10 minutes with no sign-up required

Rate Limit

60 requests/minute per IP

Free Tier Usage

Completely free to use with a suggested rate limit of 60 requests per minute per IP.

Use Case: Best For

Developers building apps with real-time or forecast weather for U.S regions, emergency alert integrations, and travel platforms.

Not Recommended For

Applications needing global or historical weather data, or requiring guaranteed commercial support.

Resources

Documentation Official Website Source Code Pricing Details Postman Collection
#forecast#weather#alerts

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