AI weather intelligence for 23 global cities
Live conditions, multi-model forecasts, and a day-by-day record of how each forecast held up — all in one place.
HOW IT WORKS
From raw weather data to forecast insights
Weather data, continuously ingested
Live readings and 7-day forecasts across 23 cities, updated hourly.
Matched against historical patterns
Our pattern model analyzes historical days with similar weather to project each outcome’s likelihood.
You see the full picture
The model’s read, the live market price, and how they compare — you decide what it means.
FROM THE ARCHIVE
How a close call actually turned out
Tokyo · May 11, 2026 · “25°C or higher”
The "25°C or higher" outcome was priced at 77¢ on May 10.
Live readings track below the 25°C threshold all afternoon.
The day peaked at 24°C — below the 25°C threshold — so the market settled NO.
Historical settlement record. Not financial advice.
WHAT YOU GET
Forecasts, live conditions, and outcome history for 23 cities in one place.
Weather Pattern Explorer
Scan all 23 cities at once — the pattern model’s read for each day, next to the live market price.
Live Forecast Data
Multi-model forecasts and live readings, updated hourly across 23 cities.
Forecast Confidence
See how firmly the day’s likely outcome is settled — and when it could still change.
Telegram Alerts
Get notified when conditions move or a pattern flags — you choose what to do next.
Resolution History
A day-by-day record of how each city’s weather turned out, and how the forecasts compared.
Pattern Analysis
See how days with similar early conditions have historically turned out.
PRICING
Start free. Upgrade when you need more.
- Today's live temperature data
- 1 city included
- Limited priority market list
- No credit card required
- All 23 cities + full resolution archive
- Weather Pattern Explorer — model reads next to live market prices
- Telegram alerts for market shifts
- Full priority list & verdict panels
Need intraday analysis for every city? See Analyst →
FAQ
Common questions
What is PolyObserve?
An AI weather intelligence platform — live conditions, multi-model forecasts, and a record of how each day turned out across 23 cities. It is not a tipster or signals service; decisions stay yours.
Where does the data come from?
Professional weather observations and forecasts across 23 global cities, updated hourly.
Do I need a credit card to start?
No. Observer is free forever.
Can I cancel anytime?
Yes, in one click from your account page.
Ready to dig into the data?
Track forecasts against what the day actually did, across 23 cities.
Get started free →