WindBorne Systems is supercharging weather models with a unique proprietary data source: constellations of next-generation smart weather balloons targeting the most critical atmospheric data.
Location: United States
Total raised: $58M
Investors 4
| Date | Name | Website |
| - | Khosla Ven... | khoslavent... |
| - | Ubiquity V... | ubiquity.v... |
| - | Jetstream | jetstream.... |
| - | Harvest Ve... | harvest.ve... |
Funding Rounds 3
| Date | Series | Amount | Investors |
| 06.08.2026 | Series B | $37M | Khosla Ven... |
| 04.06.2024 | Series A | $15M | - |
| 26.06.2023 | Seed | $6M | - |
Mentions in press and media 15
| Date | Title | Description |
| 06.08.2026 | WindBorne Systems Scores $37M Series B Funding | REDWOOD CITY, CA, WindBorne Systems, the weather intelligence company, announced $37 million in Series B funding. >> Click here for more funding data on WindBorne Systems >> To export WindBorne Systems funding data to PDF and E... |
| 05.08.2026 | WindBorne Systems Raises $37M in Series B Funding | WindBorne Systems, a Palo Alto, CA-based provider of a weather intelligence platform, raised $37M in Series B funding. The round was by Khosla Ventures and Galvanize with participation from TransLink Capital, Lux Capital, and existing inves... |
| 05.08.2026 | WindBorne Systems Raises $37 Million Series B To Expand Atmospheric Sensing Network And AI Weather Models | WindBorne Systems has raised $37 million in Series B funding to expand its global atmospheric sensing network and accelerate the development of its AI-powered weather forecasting platform. The oversubscribed round was co-led by Khosla Ventu... |
| 05.08.2026 | Proxy Foods AI Raises $6M in Seed Funding | Proxy Foods AI, a Washington, DC-based provider of a food and beverage R&D platform, raised $6M in Seed funding. The round was led by Ted Leonsis with participation from Robert G. Hisaoka and SWaN & Legend Venture Partners (Anthony ... |
| 21.10.2025 | Cracked windshield on United flight from Denver to LA may have been caused by weather balloon | A weather balloon may have been the culprit that cracked a United Airlines plane’s windshield while the flight was en route from Denver to California, according to investigators. United flight 1093 took off from Denver International Airport... |
| 05.06.2024 | WindBorne Systems Takes Flight with $15 Million in Series A Funding | WindBorne Systems, a cutting-edge technology company based in Palo Alto, California, has recently secured a significant milestone in its growth journey by raising $15 million in Series A funding. This funding round was spearheaded by Khosla... |
| 04.06.2024 | WindBorne Raises $15M in Series A Funding | WindBorne Systems, a Palo Alto, CA-based provider of an atmospheric sensing system and AI weather model, raised $15M in Series A funding. The round was led by Khosla Ventures. Existing investors Footwork VC, Pear VC, and Convective Capital ... |
| 30.05.2024 | WindBorne closes $15M for weather balloons & AI | figcaption>span]:font-sans"> Smart weather balloon startup WindBorne Systems has closed $15 million led by Khosla Ventures. Why it matters: AI weather prediction is a hot sector, with deep-pocketed players like Nvidia and Google ... |
| 15.02.2024 | WindBorne Systems Breaks World Record with New AI Forecast Offering, “WeatherMesh” | WindBorne’s groundbreaking deep learning model delivers real-time, medium-range global weather forecasts, surpassing previous state-of-the-art records. The model now powers the company’s constellation of smart, long-duration sensing balloon... |
| 26.06.2023 | WindBorne Systems Raises $6M in Seed Funding | WindBorne Systems, a Palo Alto, CA-based weather and climate tech company, raised $6M in Seed Funding. The round was led by Footwork, and included Khosla Ventures, Pear VC, Ubiquity Ventures, Harvest Ventures, and Humba Ventures, among othe... |
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