Categories · Weather APIs

Tomorrow.io Weather API vs Xweather (AerisWeather)

Tomorrow.io Weather API and Xweather (AerisWeather) are both Weather APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. Tomorrow.io Weather API offers a free tier while Xweather (AerisWeather) does not, so Tomorrow.io Weather API is easier to trial before committing. On compliance, Xweather (AerisWeather) additionally documents GDPR. For coding-agent use, Tomorrow.io Weather API scores higher on agent-friendliness (65 vs 50).

Comparedby a transparent data-readiness score computed from each API's published, sourced fields. No reviews, no paid placement. How we rank.

Data last verified 2026-06-14, with every field cited on each profile.

Head-to-head, from published, cited fields (auto-generated; no paid placement)
FieldTomorrow.io Weather APIXweather (AerisWeather)
Starting price - -
Pricing modelSales-ledSales-led
Free tier
Self-serve signup
SOC 2·?
HIPAA·
GDPR·
Webhooks
Sandbox
Documented actions2959

Full data and citations: Tomorrow.io Weather API · Xweather (AerisWeather). See more Weather APIs.