Tomorrow.io is a Climate company based in Boston. It has raised $500M in total funding. Latest round: Growth.
Tomorrow.io is a Climate company based in Boston. Tomorrow.io has raised $500M in total disclosed funding. That places its disclosed total in the $250M–$1B range. Its most recent disclosed round is a Growth announced in February 2026. The round record for Tomorrow.io runs through 2026; nothing later has been disclosed. Investors on record include Stonecourt Capital, HarbourVest Partners, Activate Capital, RTX Ventures, Seraphim Space, Chemonics and 6 others. 12 distinct backers are named across the disclosed rounds.
Totals shown for Tomorrow.io aggregate every disclosed round on file. To see how that compares, browse the Climate companies in Boston and the investors behind them below.
Company funding database · Investor directory · Founder database · Mega-rounds 2026