Pricing overview

RainViewer provides a tiered pricing structure designed to accommodate various usage levels, from individual developers to enterprise applications. The core of its offering revolves around access to real-time and historical weather radar data, with additional features like lightning detection and forecast data available in higher-tier plans. All plans are subscription-based with defined monthly request limits. Exceeding these limits typically incurs additional per-request charges, as detailed on the RainViewer API pricing page.

The pricing model is primarily driven by the volume of API requests per day, the resolution and refresh rate of the radar data, and access to advanced features. For instance, higher-resolution radar data and faster update intervals are generally reserved for paid tiers. Access to historical data archives and lightning data also differentiate the plans. Users can select a plan that aligns with their application's specific requirements for data freshness, geographic coverage, and feature set.

Plans and tiers

RainViewer structures its API access across several plans, each targeting different scales of use and feature requirements. The plans include a free developer tier and multiple paid subscription levels. Key differentiators across these plans include the daily request limit, radar refresh intervals, resolution of radar tiles, and the availability of specific data types such as lightning data and extended historical archives. The following table summarizes the primary plans and their characteristics as of 2026-05-29:

Plan Name Monthly Price Daily Request Limit Key Features & Limits Best For
Developer Plan Free 5,000
  • 50 radar frames history
  • 256x256 radar tile resolution
  • 10-minute radar refresh
  • Limited geographic coverage
 Testing, personal projects, low-volume applications
Startup Plan $99 100,000
  • All Developer Plan features
  • Extended radar history (e.g., 200 frames)
  • 512x512 radar tile resolution
  • 5-minute radar refresh
  • Access to lightning data
  • Global coverage
 Small businesses, early-stage startups, applications requiring more frequent updates and global data
Business Plan $399 500,000
  • All Startup Plan features
  • Further extended radar history (e.g., 500 frames)
  • 1024x1024 radar tile resolution
  • 2-minute radar refresh
  • Advanced lightning data features
  • Priority support
 Medium-sized businesses, applications requiring high-resolution, real-time data, and extensive historical access
Enterprise Plan Custom Custom
  • All Business Plan features
  • Dedicated infrastructure
  • SLA agreements
  • Custom data sources/integrations
  • Direct technical account manager
 Large enterprises, critical applications, high-volume and custom requirements

For precise details on current offerings, specific feature breakdowns, and any changes to the plans, referring directly to the official RainViewer API pricing page is recommended.

Free tier and limits

RainViewer provides a free Developer Plan that allows users to access its API without any recurring cost, subject to specific usage limits. This tier is designed for evaluation, personal projects, and smaller applications with modest data requirements. The primary constraint of the Developer Plan is a daily limit of 5,000 API requests.

Within this free tier, users can access basic weather radar imagery, typically with a 256x256 pixel tile resolution and a radar refresh interval of approximately 10 minutes. The historical data available is limited to a recent window, often around 50 radar frames. Geographic coverage might also be restricted compared to paid plans. While suitable for many development and testing scenarios, applications requiring higher data freshness, finer resolution, broader historical access, or features like lightning data will typically need to upgrade to a paid plan. For comparison, other weather APIs like Google's Weather API also offer free quotas or pay-as-you-go models, encouraging initial exploration.

Real-world cost examples

Understanding RainViewer's pricing requires considering various usage patterns. Here are several scenarios illustrating potential costs:

Scenario 1: Small Personal Weather App

  • Use Case: A personal mobile app displaying local radar for a few hundred users, refreshing every 15 minutes.
  • API Calls: If 200 users each make 4 requests per hour (for 15-minute refreshes), over an 8-hour active period, this would be 200 * 4 * 8 = 6,400 requests per day.
  • Cost: This usage exceeds the Developer Plan's 5,000 daily request limit. It would require the Startup Plan at $99/month to accommodate 100,000 requests/day, providing ample headroom.
  • Features Required: Basic radar, global coverage.

Scenario 2: Real Estate Website with Weather Overlay

  • Use Case: A real estate website showing radar data for properties, with approximately 10,000 daily page views, each triggering 2 radar tile requests.
  • API Calls: 10,000 page views * 2 requests/page = 20,000 requests per day.
  • Cost: The Startup Plan ($99/month) would comfortably cover this usage, as it allows up to 100,000 requests daily.
  • Features Required: Higher resolution tiles (512x512) for better property context, 5-minute refresh.

Scenario 3: Agricultural Monitoring System

  • Use Case: An agricultural platform monitoring precipitation for 500 fields across a region, requesting detailed radar and lightning data every 5 minutes. Each field generates 3 requests (e.g., radar, lightning, historical check).
  • API Calls: 500 fields * 3 requests/field * (60/5) refreshes per hour * 24 hours = 432,000 requests per day.
  • Cost: This volume falls within the Business Plan ($399/month), which supports up to 500,000 requests daily.
  • Features Required: High-resolution radar (1024x1024), 2-minute refresh, lightning data, extended historical radar for analysis.

Scenario 4: Large-scale Logistics or Aviation Application

  • Use Case: A logistics company tracking weather along thousands of routes globally, requiring near real-time radar and lightning updates, and extensive historical data for route optimization. Potentially millions of requests daily.
  • API Calls: Exceeds 500,000 requests per day, requiring custom scaling.
  • Cost: This would necessitate an Enterprise Plan (Custom Pricing), involving direct negotiation with RainViewer for tailored infrastructure, SLAs, and potentially custom data integrations.
  • Features Required: Dedicated infrastructure, highest resolution and refresh rates, comprehensive lightning and historical data, custom support.

How the pricing compares

RainViewer's pricing model, characterized by subscription tiers based on daily request limits and feature sets, is a common approach in the weather API industry. Comparing it to alternatives often involves looking at the granularity of data, geographic coverage, specific weather parameters offered (e.g., radar, lightning, forecast), and the cost-per-request at scale.

  • OpenWeather: OpenWeather typically offers a more granular pay-as-you-go model for some services, alongside subscription plans. Its free tier is often more generous for basic forecast data but might not provide the same depth of real-time radar or historical radar animation that RainViewer specializes in. For instance, OpenWeather's One Call API pricing might be more attractive for simple current weather and forecast data, while RainViewer focuses on radar visualization.
  • AccuWeather: AccuWeather's developer plans are also tiered, often with a focus on comprehensive forecast data, severe weather alerts, and localized conditions. Pricing can be competitive for specific data points but might become more expensive for high-volume radar imagery compared to RainViewer's specialized radar focus. AccuWeather often has strong brand recognition and global data coverage.
  • Tomorrow.io: Tomorrow.io (formerly ClimaCell) focuses on hyper-local, minute-by-minute forecasts and proprietary weather intelligence derived from various data sources. While it offers a wide range of weather parameters, its pricing can be positioned at a premium for its unique observational data and predictive capabilities. Its free tier or initial paid plans might offer fewer requests for general radar imagery compared to RainViewer, but more advanced forecast models. More details are on their Weather API page.

RainViewer's strength lies in its specialized focus on weather radar and lightning data, often providing competitive pricing for applications where visual precipitation and storm tracking are paramount. For applications where general forecasts or specific weather parameters (like temperature, humidity) are the primary need, other providers might offer more cost-effective solutions. The choice often depends on the specific data types required and the expected API request volume.