ClimaCell
formerly Tomorrow.ioPredict, automate, and solve your biggest weather challenges.
Boston, United States · Founded 2015 · $442.5M raised
- Headquarters
- Boston, Massachusetts
- Employees
- 201–500
- Founded
- 2015
- Business Model
- B2B
- Website
- tomorrow.io
- Total Funding
- $442.5M
- Last Round
- $35.0M Extension RoundMay 2026
- Rounds
- 8
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 8 funding rounds and 5 investors for this company. The full record is or through the API.
About
ClimaCell (now Tomorrow.io) is a weather intelligence platform that helps enterprises anticipate, prepare for, and respond to weather-driven disruptions. The company pioneered the use of cellular network signals and IoT sensors for hyper-local weather data collection, and has since expanded to operate a proprietary constellation of weather monitoring satellites (DeepSky). Tomorrow.io's AI-powered platform serves industries including aviation, insurance, manufacturing, logistics, and energy, providing forecasting APIs, real-time alerts, and autonomous operational response tools. The company rebranded from ClimaCell to Tomorrow.io in March 2021.
Summary
ClimaCell is an IoT company based in Boston, United States, founded in 2015. It has raised $442.5M in total across 8 rounds, most recently a $35.0M Extension Round in May 2026. Investors include Pitango, Stonecourt Capital and HarbourVest Partners.
Tech & App Stack
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Funding History
May 2026
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Funding: Seed through Extension Round. Amounts, valuations, and investors where available.
Investors
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