weatherB Docs
weatherB is a simple prediction market on Flare where you bet YES/NO on a temperature outcome: "Will the temperature be >= 72F in New York City at 2:00pm?"
This documentation covers the current testnet release on Coston2. Mainnet documentation will be added when live.
What you can do here
- Learn how weatherB markets work and how payouts are calculated.
- Place bets, track positions, and claim or refund winnings.
- Understand settlement, data sources, and trust assumptions.
- Find roadmap context.
Quick start (3 minutes)
- Connect your wallet (Coston2 testnet).
- Pick an open market.
- Choose YES or NO and enter an amount (min 0.01 FLR).
- Confirm the transaction in your wallet.
- Track and claim in My Positions after settlement.
Key rules at a glance
| Rule | Value |
|---|---|
| Markets per day | 5 maximum |
| Temperature precision | Stored in tenths (e.g., 85.3F -> 853), shown as whole degrees |
| Tie rule | Temp == threshold means YES wins |
| Betting closes | 10 minutes before resolve time |
| Minimum bet | 0.01 FLR |
| Currency | FLR only (V1) |
| Who can resolve | Settler only |
| Fees | 1% default, max 10%, taken from losing pool |
Trust and transparency
- Markets and payouts are on-chain.
- Settlement is executed by a designated settler wallet.
- Weather data uses Tomorrow.io as a single provider.
- All resolution inputs are recorded on-chain.
Find what you need
Contract and Explorer
- App: https://weatherb.app
- Contract (Coston2): 0x716186B29043840a165e1Faf49b85bc2101fAaC7
- Explorer: https://coston2-explorer.flare.network/address/0x716186B29043840a165e1Faf49b85bc2101fAaC7
Disclaimer
weatherB is experimental software. Not financial advice. Use at your own risk.