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Head-to-head · Weather Data Software

Open-Meteo vs CustomWeather

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Open-Meteo #2 in Weather Data Software 8.5/10 Free plan Free plan✓ 1 of 2 features Visit Open-Meteo
CustomWeather #3 in Weather Data Software 8.1/10 Pricing on request ✓ 2 of 2 features Visit CustomWeather

Open-Meteo leads on 0 checks, CustomWeather on 1, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpen-Meteo · 8.5/10
  • Free planonly Open-Meteo
  • Most featuresCustomWeather · 2 of 2

Open-Meteo scores higher on our rubric for weather data software: 8.5 against 8.1 out of 10; our editors rank them #2 and #3.

CustomWeather offers weather alerts; Open-Meteo doesn't. On data resolution, Open-Meteo gives you Local where CustomWeather offers Global.

Open-Meteo is the better fit for API users who want free weather and climate data. CustomWeather is the better fit for businesses seeking a broad weather-data API.

  • Open-Meteo fits best

    API users who want free weather and climate data

  • CustomWeather fits best

    Businesses seeking a broad weather-data API

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Open-Meteo 8.5/10 Visit ↗ CustomWeather 8.1/10 Visit ↗
At a glance
Editor score 8.5 8.1
Ranking #2 in Weather Data Software #3 in Weather Data Software
Best for API users who want free weather and climate data Businesses seeking a broad weather-data API
Pricing model Free plan + paid Paid
Starting price — Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Docs, Community Email
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Open-Meteo 1/2 · CustomWeather 2/2
Historical data ✓ ✓
Weather alerts — ✓ (best)
Specs
Forecast horizon Not checked yet Not checked yet
Data delivery Api Api
Data resolution Local Global
Historical coverage 86 years Not checked yet
Our review
Pros
  • Forecast, historical, and climate APIs in one service
  • Air-quality, marine, and geocoding APIs extend coverage
  • Open source with free non-commercial access and no API key
  • API access to observations, forecasts, historical data, and alerts
  • Global data resolution for weather-aware applications
  • Maps and visualizations support websites and business workflows
Cons
  • No weather-alert API for alert-driven applications
  • Free API access is limited to non-commercial use
  • No built-in AI features
  • Pricing follows a contact-sales model
  • Cloud deployment does not provide an on-premises option
  • Support is offered through email
Our verdict

Open-Meteo is an open-source weather-data service for developers and organizations that need programmatic access to forecasts, historical records, climate information, air quality, marine conditions, or location search. Its HTTP APIs…

Read the review →

CustomWeather provides weather-data services for organizations integrating weather information into software, websites, and operational workflows. Its core offering is a programmatic API covering current observations, forecasts, historical…

Read the review →
  1. Open-MeteoWeather Data Software 8.5Free plan
  2. CustomWeatherWeather Data Software 8.1Pricing on request

Strengths and trade-offs

  • Open-Meteo — where it wins

    • Forecast, historical, and climate APIs in one service
    • Air-quality, marine, and geocoding APIs extend coverage
    • Open source with free non-commercial access and no API key

    Where it doesn't

    • No weather-alert API for alert-driven applications
    • Free API access is limited to non-commercial use
    • No built-in AI features

  • CustomWeather — where it wins

    • API access to observations, forecasts, historical data, and alerts
    • Global data resolution for weather-aware applications
    • Maps and visualizations support websites and business workflows

    Where it doesn't

    • Pricing follows a contact-sales model
    • Cloud deployment does not provide an on-premises option
    • Support is offered through email

More comparisons

All weather data software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update