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Weather · head to head

Aeris Weather vs OpenWeatherMap

Aeris Weather logo

Aeris Weather

Weather

Powerful weather API with mapping solutions

From
Free
Rated
-
Full reviewWebsite
OpenWeatherMap logo

OpenWeatherMap

Weather

Developer-friendly weather API with global coverage

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Aeris Weather aerisWeather now sells as Xweather under Vaisala; OpenWeatherMap free tier capped at 60 calls/minute and 1,000,000 calls/month
  • They diverge on capability: Aeris Weather covers Interactive maps, OpenWeatherMap covers Current conditions.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Aeris Weather and OpenWeatherMap actually diverge.

Attributes where Aeris Weather and OpenWeatherMap differ
AttributeAeris WeatherOpenWeatherMap
PlatformsApi, Web, MobileWeb
Founded20112017

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Weather).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Aeris Weather

  • Interactive maps
  • Severe weather alerts
  • Tropical data
  • Historical records
  • Mapping SDKs
  • Mobile SDKs
  • Mobile support

Only in OpenWeatherMap

  • Current conditions
  • Forecasts
  • Historical data
  • Weather maps
  • JSON format
  • Widgets

Both cover

  • Weather API
  • REST API
  • Api support
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Aeris Weather

  • Weather data and forecastingnot OpenWeatherMap
  • Mission-critical weather-dependent decisionsnot OpenWeatherMap
  • High-reliability weather intelligence servicesnot OpenWeatherMap
  • Multi-industry weather data distributionnot OpenWeatherMap

OpenWeatherMap

  • Embedding current weather and short-term forecasts into third-party apps/websitesnot Aeris Weather
  • Pulling historical and statistical weather data for researchnot Aeris Weather
  • Displaying weather map overlays (precipitation, clouds, etc.) via the Weather Maps APInot Aeris Weather
  • Monitoring air pollution levels via the Air Pollution APInot Aeris Weather
  • Geocoding locations for weather lookupsnot Aeris Weather

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Aeris Weather

  • AerisWeather now sells as Xweather under Vaisala
  • The free Developer tier is capped at 15,000 API accesses per month and the service pauses once the limit is reached
  • The Developer tier gets community support only
  • The self-serve paid subscription is EUR 300 per month for 1,000,000 accesses per month
  • Anything beyond 1,000,000 accesses per month requires contacting sales for a custom arrangement
  • Dedicated support and custom SLA guarantees are enterprise only
  • Free tier usage resets on the account creation date rather than the calendar month

OpenWeatherMap

  • Free tier capped at 60 calls/minute and 1,000,000 calls/month
  • Free tier limited to current weather, 3-hour/5-day forecast, air pollution, 15 map layers, and geocoding only
  • One Call API free allowance is only 1,000 calls/day before pay-per-call charges apply
  • Paid tier (Startup, Developer, Professional, Expert) exact USD prices are not published on the public pricing page

Pricing, plan by plan

Aeris Weather

Free
  • DeveloperFree
    • 1,000 calls/day
    • Basic data
    • Maps
  • Professional$100/month
    • Unlimited calls
    • All data
    • Premium support

OpenWeatherMap

Free
  • FreeFree
    • 1,000 free API calls per day

Which should you pick?

Choose Aeris Weather if

  • You need interactive maps.
  • You want to start without paying.
  • You work on Api, Web, Mobile.
  • You also want severe weather alerts.
Aeris Weather review

Choose OpenWeatherMap if

  • You need current conditions.
  • You want to start without paying.
  • You also want forecasts.
OpenWeatherMap review

Questions people ask

Is Aeris Weather or OpenWeatherMap better?
Neither clearly leads. Aeris Weather starts at Free and OpenWeatherMap at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Aeris Weather or OpenWeatherMap?
Aeris Weather starts at Free and OpenWeatherMap at Free.
Does Aeris Weather or OpenWeatherMap run on more platforms?
Aeris Weather runs on Api, Web, Mobile. OpenWeatherMap runs on Web.
Can I use Aeris Weather for free?
Both have a free tier, so you can try either at no cost before committing.
What is Aeris Weather best used for?
Aeris Weather is most often used for weather data and forecasting, mission-critical weather-dependent decisions, high-reliability weather intelligence services, multi-industry weather data distribution. Of those, weather data and forecasting and mission-critical weather-dependent decisions are not what OpenWeatherMap is typically brought in for.
What can Aeris Weather do that OpenWeatherMap cannot?
Aeris Weather covers Interactive maps, Severe weather alerts, Tropical data, Historical records. OpenWeatherMap covers Current conditions, Forecasts, Historical data, Weather maps. Both handle Weather API, REST API, Api support, Web support.

Answered from the vendors’ own pages

Aeris Weather: How is Xweather pricing structured?

Xweather offers custom pricing for its software products and weather API. Pricing reflects deployment scale, data complexity, reliability requirements, and service scope. Contact Xweather for a personalized quote tailored to your needs.

Source
OpenWeatherMap: How much does OpenWeatherMap cost?

OpenWeatherMap operates on a pay-as-you-call usage-based pricing model. The platform offers a free tier with 1,000 API calls per day, and customers can purchase additional calls based on their needs.

Source
Aeris Weather: Does Xweather offer a pay-as-you-go weather API?

Yes. Xweather provides a free weather API key with pay-as-you-go pricing available. Specific rates and API tier details are available at the Xweather API signup portal or by contacting the sales team.

Source
OpenWeatherMap: Is there a free weather API service?

Yes. OpenWeatherMap provides a free tier that includes up to 1,000 API calls per day. Users can subscribe for free at home.openweathermap.org without providing payment information.

Source
Aeris Weather: What products does Xweather offer pricing for?

Xweather's software products include Protect, Optimize, Observe, Horizon, RoadAI, WeatherDesk, and Powerup. Individual pricing for each product is determined by your deployment requirements and service agreements. Contact Xweather to discuss subscriptions, tiers, SLAs, and specific pricing.

Source
OpenWeatherMap: Does OpenWeatherMap offer enterprise plans?

OpenWeatherMap offers separate service tiers for enterprise customers, with pricing and features determined on a case-by-case basis. Contact the company directly for enterprise plan details and custom pricing.

Source
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