ClimaCell
formerly Tomorrow.ioClimaCell is an iot company in Boston, United States, founded in 2015. It has raised $442.5M across 8 rounds, most recently a $35.0M Extension Round in May 2026.
Predict, automate, and solve your biggest weather challenges.
- 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
It lists 201–500 employees. 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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