United States · Series B startup

Who invested in WeatherBug

2 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Internet

Funding summaryUpdated 26 Oct 2026

$38Mraised across 2 rounds since 2000, from 2 sources

$15MSeries A$23MSeries B
Latest round
Series B, $23MMar 2004
Step-upi
1.5×
Investors
5
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2001200220032004
$15MSeries A$23MSeries B
First round
Series A, $15M
Jun 2000
Biggest round
$23M
Series B · Mar 2004
Between rounds
3.8 years
from the last two

The rounds

  1. Mar 2004
    Series B$23M2 new1 returning

    From a historical funding record

  2. Jun 2000
    Series A$15M3 new

    From a historical funding record

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

HarbourVest PartnersFund of funds2rounds
Sequoia CapitalVC firm1round
Polaris PartnersVC firm1round
Outcome CapitalInvestment bank1round
Allegiance Capitalno record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about WeatherBug

Who invested in WeatherBug?

WeatherBug's investors include HarbourVest Partners, Sequoia Capital, Polaris Partners, Outcome Capital and Allegiance Capital.

How much has WeatherBug raised?

WeatherBug has raised $38M across 2 rounds since 2000.

When did WeatherBug last raise?

WeatherBug's most recent round was a Series B of $23M in Mar 2004.

What was WeatherBug's biggest round?

Its most recent round, $23M in Mar 2004, is also its largest on record.

Who backed WeatherBug first?

WeatherBug's first round on record, in Jun 2000, was backed by HarbourVest Partners, Outcome Capital and Allegiance Capital.

What stage is WeatherBug at?

WeatherBug's latest named round is a Series B, in Mar 2004.

Where is WeatherBug based?

WeatherBug is based in the United States.

Companies like WeatherBug

In the same sector, and raised in the last eighteen months.

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