Support

Last updated October 5, 2026

Questions, feedback or something not working? Email [email protected] and we’ll reply, usually within two business days.

Using Fairwhen in ChatGPT

Ask which day or time is best for any outdoor plan in a US city or town, such as “Which day next week is best for a BBQ in Austin, TX?” You can add the temperatures you like, a wind limit, sun, cloud or humidity preferences, or ask for weekends only.
Fairwhen shows a calendar of each day’s chance that the weather fits your plan for the whole time slot. Tap a day to see its best time.
Open in Fairwhen shows the full calendar with hour-by-hour detail; Share with group sends a link with a preview of the results.
Fairwhen covers US cities, from tomorrow up to about a month ahead.

Why is a far-off day less certain? Forecasts lose detail further out, so odds for later days sit closer to what’s typical for the season.
Is a high chance a guarantee? No. Fairwhen is a planning aid, not a safety or severe-weather service. For warnings, follow the National Weather Service or local authorities.
What data do you keep? See our privacy notice. To ask about or delete data, email [email protected].