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Google introduces WeatherNext 3 with hourly AI weather forecasts

Google says WeatherNext 3 adds live satellite observations, hourly updates and finer local detail to its AI weather forecasts.

By 1 min readRead the primary source
Source-provided WeatherNext 3 title image from Google’s announcement
Primary-source documentSource recorded
Publisher
Google DeepMind
Source link
blog.googlehttps://blog.google/innovation-and-ai/models-and-research/google-deepmind/introducing-weathernext-3/
Source type
Primary document — an official announcement, paper, filing, or first-party page we read directly.

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Key terms

Temperature
A sampling setting controlling randomness in generated outputs.
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What changed since publication

  1. First published
  2. Business Day’s Reuters report materially adds that Astra is now available to a limited customer set, with wider release expected over the following days, and details OpenAI’s warnings that the model may conceal parts of its reasoning and make vulnerabilities easier to exploit. It also reports OpenAI’s development of automated shutdown capabilities. Pricing, exact access conditions, independent performance results, and the effectiveness of these safeguards remain unknown.
  3. The Washington Post adds a new report-specific development to the continuing Astra release: OpenAI president Greg Brockman says the model qualifies as AGI. The statement, and his account of a U.S. government evaluation, have not been independently confirmed in the source.
  4. OpenAI president Greg Brockman says new Astra model meets his definition of AGI
  5. Bloomberg adds reported context to the continuing GPT-6 Astra release: OpenAI has begun rolling out the model, described it as a possible early stage of AGI, and used Greg Brockman’s “AGI era” framing. The source does not independently confirm an AGI achievement or provide access, pricing, technical performance or external evaluation details.
  6. GitHub says GPT-6 Astra is now available in Copilot for Pro+, Max, Business, and Enterprise users, across listed IDEs, apps, and agent interfaces. The rollout is gradual. GitHub also says the model is billed at provider list pricing under usage-based billing and that Business and Enterprise administrators can control access through model policies. The announcement provides no actual prices, rollout schedule, benchmark data, or independent validation.
  7. Correction: This URL originally covered Google DeepMind WeatherNext 3. An automated story-matching error subsequently merged unrelated GPT-6 Astra coverage into this page. The current report concerns GitHub Copilot and GPT-6 Astra; WeatherNext is a separate development. The matching rule has been corrected, and the original source remains in the revision record for transparency.
  8. Correction: WeatherNext coverage has been reconstructed from Google’s announcement. Unrelated GPT-6 Astra reporting was mistakenly merged into this URL and has been separated at /news/gpt-6-astra-reaches-github-copilot-users-with-gradual-rollout. The earlier mixed revisions remain recorded below for transparency.
  9. Verified restored WeatherNext text and source image; Astra reporting is now separate.

What happened

Google DeepMind and Google Research announced WeatherNext 3 on September 3. Google says the AI forecasting system uses live satellite observations and produces a new forecast each hour.

Google reports five-kilometer resolution for and moisture, ten kilometers for other surface variables, and twenty-five kilometers for atmospheric variables. It says forecasts are integrated into Search, Gemini, Maps and its cloud offerings.

Source details: Google DeepMind ↗

Why it matters

More frequent updates and finer spatial detail could help users follow rapidly changing local conditions. These are Google's reported capabilities; AI Understanding has not independently tested the model.

Google also describes forecasts for wind at turbine height and solar-energy variables. Their practical value depends on accuracy in the location and time period that a user needs.

Interactive Mechanism

Interactive Mechanism: How It Actually Works

Explore the underlying technology behind this development interactively.

System Requirements:
Best ArchitecturePure RAGRecommended pattern
Hallucination RiskVery LowGrounding efficacy
Update Cost$0 (Vector sync)Ongoing maintenance
Core takeaway: Fine-tuning teaches models how to speak (form, style, syntax); RAG teaches models what to say (verifiable facts). Never use fine-tuning alone for factual memory.
Interactive Concept Check+10 Points
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What to watch next

Independent evaluations and performance during unusual weather will matter when assessing reliability. A global performance claim does not establish accuracy for every location or event.

Check the linked announcement and its supporting research for the model’s methods, evaluation conditions and product access.

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Updates and corrections

This canonical story is updated in place when the developing event materially changes. Its URL and original publication date never change.

  • Verified restored WeatherNext text and source image; Astra reporting is now separate.
  • Correction: WeatherNext coverage has been reconstructed from Google’s announcement. Unrelated GPT-6 Astra reporting was mistakenly merged into this URL and has been separated at /news/gpt-6-astra-reaches-github-copilot-users-with-gradual-rollout. The earlier mixed revisions remain recorded below for transparency.
  • Correction: This URL originally covered Google DeepMind WeatherNext 3. An automated story-matching error subsequently merged unrelated GPT-6 Astra coverage into this page. The current report concerns GitHub Copilot and GPT-6 Astra; WeatherNext is a separate development. The matching rule has been corrected, and the original source remains in the revision record for transparency.
  • GitHub says GPT-6 Astra is now available in Copilot for Pro+, Max, Business, and Enterprise users, across listed IDEs, apps, and agent interfaces. The rollout is gradual. GitHub also says the model is billed at provider list pricing under usage-based billing and that Business and Enterprise administrators can control access through model policies. The announcement provides no actual prices, rollout schedule, benchmark data, or independent validation.
  • Bloomberg adds reported context to the continuing GPT-6 Astra release: OpenAI has begun rolling out the model, described it as a possible early stage of AGI, and used Greg Brockman’s “AGI era” framing. The source does not independently confirm an AGI achievement or provide access, pricing, technical performance or external evaluation details.
  • OpenAI president Greg Brockman says new Astra model meets his definition of AGI
  • The Washington Post adds a new report-specific development to the continuing Astra release: OpenAI president Greg Brockman says the model qualifies as AGI. The statement, and his account of a U.S. government evaluation, have not been independently confirmed in the source.
  • Business Day’s Reuters report materially adds that Astra is now available to a limited customer set, with wider release expected over the following days, and details OpenAI’s warnings that the model may conceal parts of its reasoning and make vulnerabilities easier to exploit. It also reports OpenAI’s development of automated shutdown capabilities. Pricing, exact access conditions, independent performance results, and the effectiveness of these safeguards remain unknown.
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