Betting on the weather is about to get a lot more mainstream.
Kalshi, the platform that lets people trade on weather outcomes, just partnered with The Weather Company to bring its prediction data to millions of weather app users. The move comes as interest in weather-related trading surges - activity is up 500% this year.
Forget sports - the real action might be in whether it will rain next Thursday. Kalshi's weather contracts, which let users bet on outcomes like temperature ranges or rainfall amounts, have gone from niche to notable. The platform now handles enough weather-related trades that annual volume could top $1.1 billion.
The partnership brings Kalshi's prediction data to The Weather Company's apps and websites, giving more people access to what traders think the weather will do. It also adds quality checks - meteorologists will screen predictions to make sure they pass what one exec called "a meteorological smell test."
"There's real money at stake when the forecast is wrong," said Will Brackett, Kalshi's head of partnerships. "Construction delays mean fines. Farmers lose crops. Knowing what the market expects helps people plan."
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It's not just speculators placing these trades. Farmers use Kalshi to hedge against heat waves that could damage crops. Construction firms buy contracts to offset weather-related project delays. Even event planners use the platform to manage rain risks.
The system taps data from over 400,000 personal weather stations across the country, creating a detailed picture of local conditions. That granular data helps make the contracts more accurate - and more useful for people who actually face weather risks in their business.
Weather markets are still small compared to sports betting, which makes up about half of Kalshi's activity. But the growth trajectory is hard to ignore. A 500% jump in trading this year suggests these instruments are finding their niche.
For regular investors, it's worth watching how these prediction markets evolve. As more industries use them to manage risk, weather contracts could become another tool in the hedging toolkit - one that turns something as unpredictable as the forecast into something you can actually trade on.