It will be chilly to cold in the daytime with rain and snow possible, freezing overnight. Check weather close to the time. This is a remote area with no services.
Use Grand Canyon NP weather as a guide as there is no reporting station in Supai. If you enter Supai in online weather, it defaults to Kingman which has very different weather. Supai will be slightly warmer than GCNP but share the same precipitation forecast.
Be sure of the weather before you set out on this venture.
Thanks so much for this Bob. We ended up postponing the trip, but this is very helpful.
The Supai weather forecast is taken from the GCNP at the south rim. Since there's an elevation difference of 3-4000 feet, you should expect conditions at Havasu to be somewhat warmer and milder than what is reported. There are no weather monitoring devices at Havasu.
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