If the forecast is looking grim, why not head to Rosson House Museum? You'll be surprised just how much you can learn about days gone by here.
You'll be spoiled for sightseeing choice when visiting Downtown Phoenix. Rosson House Museum is an ideal place to begin here, but there are many other interesting spots to check out. Chase Field, Footprint Center, and Arizona State Capitol are near the collection of historical artifacts and will fill in your day nicely.