Industries

Products

Developer

Blog

Weather API

Power your applications with the most reliable, enterprise-ready weather API available—trusted by businesses and governments worldwide.

Vaisala is a proven name in weather—on Earth and Mars

Vaisala is the trusted force behind the world’s most critical weather infrastructure—building the radiosondes used in global weather balloon launches, operating the lightning detection network relied on by the U.S. Air Force and major airports, and delivering sensor technology all the way to the surface of Mars. With decades of scientific leadership and unmatched reliability, Vaisala is the most proven name in weather.

Engineered for reliability

Vaisala Xweather delivers high-resolution, real-time data through a globally distributed infrastructure

Our weather API is continuously supported by researchers working to enhance accuracy, reliability, and data depth.

Built for stability, uptime, and scale

Every release is backed by rigorous unit testing, dedicated QA oversight, and load testing across environments, then deployed on a multi-region cloud infrastructure powered by AWS and its global content delivery network.

AI-enhanced weather insights

Xweather’s weather API uses machine learning models, refining forecasts in real time to deliver highly precise and hyperlocal weather insights.

Expert support

Our customer success team works alongside your team to ensure seamless integration and long-term value from our weather data solutions.

API endpoints

Beyond global forecasting, our API unlocks access to high-resolution datasets and one-of-a-kind weather endpoints built for advanced applications.

Hail

Xweather’s Hail API delivers real-time hail forecasts and validated historical data to support risk assessment and asset protection.

  • Forecast hail in real time

  • Access validated hail history

  • Integrate hail data into web apps and dashboards using Raster API or MapsGL.

Lightning

Xweather's lightning endpoints give you real-time and historical lightning data, threat zones, and analytics—backed by the world’s most trusted detection network.

  • Track strikes, flashes, and threats with pinpoint accuracy, from nowcasts to archives dating back to 2016.

  • Map lightning threat zones and density trends

  • Integrate high-resolution global data into your systems via API, webhooks, or MapsGL

Road weather conditions

The Road Weather Conditions API delivers real-time and forecasted insights on:

  • Road surface states (wet, snowy, icy)

  • Water, snow, and ice thickness

  • Conditions powered by advanced modeling and sensor data for safer, smarter driving at scale

Renewable energy

Xweather provides industry-leading wind and solar energy forecasts, historical data, and real-time alerts to optimize renewable energy production, reduce risk, and improve decision-making across the project lifecycle.

  • Access 25+ years of historical solar and wind data for site analysis

  • Get accurate, site-specific forecasts for energy production and grid planning

  • Receive real-time lightning and hail alerts to protect renewable assets

Phrases API

The Phrases API transforms raw weather data into real-time, natural language summaries—so users understand the forecast without needing a meteorologist.

  • Customizable, AI-generated summaries in 50+ languages for alerts, conditions, and activity-specific impacts

  • Personalize tone and delivery style—from casual to broadcast-ready

  • Ideal for apps, media, logistics, emergency comms, and even social posts

Severe weather endpoints

The severe weather endpoints deliver real-time and historical insights on extreme weather, helping businesses track, prepare for, and respond to disruptive events.

  • Global government-issued alerts

  • Impact-based intelligence – Activity-specific weather insights to assess risk by business need (/impacts/:activity)

  • Deep historical access – Archives for hail, lightning, and storm reports dating back decades for validation and planning

Integrations made easy

Developer SDKs + Toolkits

Our software development kits for iOS, Android, and JavaScript make it easy to integrate Xweather data into your apps and platforms—with the tools you need to move from prototype to production.

Explore endpoints and test queries

Our API wizards make it easy to access advanced weather data and imagery—no technical background required. Whether you're exploring options or deploying a solution, you’ll get the insights you need in just a few clicks.

Webhooks and pushed data

Xweather webhooks provide timely notifications of the weather events that you care about most. Eliminate the need for continuous polling, along with the need to worry about missing critical alerts. Webhooks deliver all of your weather events - whether it be lightning, approaching storms, or other - rapidly and directly right to you.  Contact our team to explore configuration options and access.

Advanced mapping libraries

Raster Maps

Raster Maps is a tile mapping tool ideal for still-image weather visualizations, offering 100+ layers compatible with basemap providers like MapBox, Google Maps, and Leaflet. Raster Maps accesses are one-to-one with Weather API queries.

MapsGL

Visualize weather data in ways never possible before: MapsGL leverages WebGL for smooth, data-encrypted weather animations — powered by the Weather API, optimized for low-bandwidth use, and highly customizable.

Xweather Live

Explore real-time lightning strikes, wildfire boundaries, maritime data, and more — in Xweather's browser based weather app. Xweather Live gives you a view of what's possible when you build with Xweather.

Weather API trials and pricing

Get started with a free 30-day trial of our Weather API.

Get in touch with our experts

Our experts are here to help you evaluate the right solution for your operational and technical needs.

FAQs

Where does Xweather get its weather data?

How do you set up a webhook endpoint?

How do I integrate the weather API into a Next.js project?

What is API rate limiting?

Can I access Xweather data through my preferred data platform?

How can I protect my Weather API credentials?