Build with the weather stack your team already trusts.

Fast, documented, and developer-friendly APIs for forecasts, alerts, historical data, and geospatial weather intelligence.

REST GraphQL SDKs Webhooks OpenAPI

⚡

Sub-second response

Global edge delivery

🧪

Sandbox access

Test safely before launch

🔐

Secure auth

API keys and tokens

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Docs included

Interactive reference

Developer Tools

Forecast API

Hourly and daily forecasts across global locations with hyperlocal precision and flexible response formats.

14-day outlooks
100m resolution
Custom fields

Nowcast API

Minute-by-minute precipitation forecasts for short-term decisions and operational response.

6-hour nowcasts
Severe weather alerts
Fast refresh cadence

Historical Data API

Access decades of verified observations and reanalysis for analytics, risk, and forecasting workflows.

40+ year archive
Quality controlled
Bulk export support

Start building today

Use our sandbox, SDKs, and docs to get from sign-up to your first request in minutes.

Get API Access

quickstart.py

import customweather as cw

client = cw.Client(api_key="your_key")
forecast = client.forecast(lat=40.7128, lon=-74.0060, days=7)
print(forecast.daily[0].temp_high)

Integrate in minutes, not months.

OpenAPI docs, official SDKs, and a sandbox environment make it easy to ship weather-powered experiences.

Read the Docs View on GitHub