Launched this week
Every weather app tells you there's a 60% chance of rain. None of them answer the question you're actually asking: should I go right now? Wyndo is a weather app that answers that question with a direct answer: go now, wait, or skip it Instead of handing you hourly graphs and percent-chance bars, Wyndo scores the next few hours against what you're actually doing — walking, running, biking, driving, or eating outside — and gives you a direct recommendation with the reasoning behind it.
Wyndo
Hey Product Hunt, I'm Jeremy, and I built Wyndo.
Here's the problem I kept having: I'd check the weather before a run, see "60% chance of rain," then squint at the hourly graph trying to figure out when in the next three hours that 60% actually lives. I'd re-open the app three more times before heading out. Sometimes I'd leave too early. Sometimes I'd get caught in it anyway.
Wyndo is the weather app I wanted. Pick your activity — walk, run, bike, drive, or eat outside — and it scores the next few hours and tells you go, wait, or skip it, with the reasoning right there on screen. Every recommendation cites the weather factors you can already see: precipitation timing, wind, temperature, visibility, alerts. A light drizzle that's fine for a drive gets flagged for outdoor dining.
The engine is deterministic and rule-based. No AI guessing at the forecast. LLMs help parse questions and phrase answers. Data comes from OpenWeatherMap for minute-by-minute precipitation, Open-Meteo for hourly and daily forecasts, and the National Weather Service for alerts. Free, no ads.
Try it at wyndo.app — no signup needed to ask your first question. I'd love to hear what you ask it, and especially where the answer felt wrong or thin. The feedback form is one click from anywhere in the app, and responses feed back into the eval for future recommendations.
@jeremyg22 Big congrats. How does it weigh humidity/surface wetness for court sports like tennis on clay, or is that next on the rule tweaks?
Wyndo
@swati_paliwal Good question! Today tennis is scored with a dew-point ceiling plus a generic "requiresDryGround" check that decays over the 30–60 min after rain. We don't yet differentiate clay vs hard court. Surface-aware wetness is a great idea, we'll add it to the list for the next round of rule tweaks.
Really smart take on weather. I go stair climbing outdoors a lot and this is exactly the kind of thing I'd check before heading out — "should I go now or wait an hour?" way more useful than staring at percentage bars. The deterministic approach over AI guessing is a solid call too. Any plans for an iOS app or Apple Watch complication? Being able to glance at my wrist before stepping out would be perfect.
Wyndo
@new_user___093202624e1848eb9b9896f We're focusing on the web (including mobile) experience for now, but we'll track interest in a native mobile experience.
Big congrats on the launch! 🚀 I love the 'go, wait, or avoid' approach. I’m constantly looking at the 40% chance of rain and trying to do the math in my head on whether I’ll get soaked if I take the dog out now or in an hour.
Taking that mental work out of the equation is such a smart idea.
Wyndo
@gokhan_elgun Thanks for the feedback. As you use it, let us know if you run into any bugs or inaccurate recommendations.
Simple but cool product! Btw you explicitly avoided ai for decision making, so do you see a future where learned preferences (using ml or something) outperform deterministic rules here??
Wyndo
@lak7 I think there are opportunities for both, yes.