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Sundial

a new way to look at a weather forecast

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HN · launched Mar 31, 2026 · 66 upvotes (top 13%) · 0 views

Niche: environmental and geospatial analytics software · 124 launches, 16 in the last 7 days · Explore this niche →

Category and tags

  • Energy & climate
  • Analytics & BI
  • B2C
  • Not AI
  • Hobby / open-source project

Visit website ↗ Source listing ↗

Could you build this?

Yes Sundial is an alternative visualization weather forecasting web application. Calling open weather APIs and presenting the results in a creative web UI is a classic vibe-coding project.

Discussion

20 comments analyzed.

Competitors mentioned: Google weather, Phone default weather app, Traditional weather sources

Concerns raised: Postcode search gets stuck in loop, Sunset time accuracy issues, DST not accounted for in US timezones, Rain shown as boolean instead of percentage, Moon phases don't match real data

Feature requests: 24-hour time format option, Additional data rings (humidity, UV, wind speed/direction), Mobile widget or app version, Show date display, Even hours only option

Competitors

Other products that read as similar to this one : 1407 launches clear the similarity bar, closest 8 shown.

Attention rank: #159 of 1408 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 153 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.