Funding round
Tomorrow.io Growth
Reported as "Growth Equity"
Tomorrow.io, which works in weather intelligence platform solutions in Boston, raised $175M in a Growth round announced on 3 Feb 2026, led by Stonecourt Capital and HarbourVest, at a $1.00B post-money valuation. 2 firms took part. It is Tomorrow.io's fifth venture round on record; the one before was a Series E in Jun 2023.
$175M
Amount raised
$1.00B
Post-money valuation
$825M pre-money
2
Investors
2 leads
18%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Tomorrow.io at $1.00B after the new money. The $175M bought investors about 18% of the company. It came 32 months after Tomorrow.io's Series E. It is 40% of the $434M Tomorrow.io has raised in the venture rounds on record. Tomorrow.io raised again 3 months later: a Series F round of $35M in May 2026.
Tomorrow.io's funding rounds
Tomorrow.io has 6 venture rounds on record. This one is highlighted.
- Series A 27 Nov 2017, led by Canaan $15M
- Series B 4 Oct 2018, led by Clearvision Ventures $45M
- Series D 30 Mar 2021, led by Stonecourt Capital $77M
- Series E 14 Jun 2023, led by Activate Capital $87M
- Growth this round 3 Feb 2026, led by Stonecourt Capital and HarbourVest $175M$1.00B post-money
- Series F 18 May 2026 $35M
Investors
Who put money in
Stonecourt Capital and HarbourVest led the round.
Lead investors
- backs 2 venture-backed companies new investor
- HarbourVest backs 37 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, scaling operations and working capital.
- Product development
- Scaling operations
- Working capital
Comparable rounds
How it compares
348 Growth rounds in Tech Companies within a year either side disclosed an amount; the median was $57M, and this round was 3.1 times the median. The closest in time, other companies' Growth rounds in Tech Companies:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Tech Companies | 26 Feb 2026 | $200M | $1.60B | Tether |
| Tech Companies | 28 Feb 2026 | $169M | $750M | not named |
| Tech Companies | 26 Feb 2026 | $122M | not disclosed | Summit Partners |
| Tech Companies | 10 Feb 2026 | $100M | not disclosed | Lazard and Elaia |
| Tech Companies | 19 Feb 2026 | $100M | $1.00B | not named |
| Tech Companies | 5 Feb 2026 | $65M | not disclosed | Riverwood Capital |
| Tech Companies | 13 Feb 2026 | $53M | not disclosed | Neo Asset Management and Neo Secondaries Fund |
| Tech Companies | 27 Feb 2026 | $37M | not disclosed | 8VC |
Sources
Where this comes from
Reported by 8 sources. The deal data marks this round as not yet confirmed by an official announcement. Unconfirmed
Questions
Frequently asked
How much did Tomorrow.io raise in its Growth round?
Tomorrow.io raised $175M in its Growth round, announced in Feb 2026.
Who led Tomorrow.io's Growth round?
Stonecourt Capital and HarbourVest led it.
What was Tomorrow.io's valuation at the Growth round?
$1.00B post-money ($825M pre-money).
How does it compare with other Growth rounds in Tech Companies?
348 Growth rounds in Tech Companies within a year either side disclosed an amount; the median was $57M, and this round was 3.1 times the median.
Did Tomorrow.io raise again after this round?
Yes: a Series F round in May 2026 of $35M.