State CapitalTeresina79 °FPartly cloudy.Feels Like: 83 °FForecast: 93 / 73 °FWind: 2 mph ↑ from EastState: PiauíState High: 79 °F TeresinaState Low: 79 °F TeresinaMax Wind: 9 mph Parnaíba °FWeather in Piauí (2 Locations)ParnaíbaMon 9:03 pmN/ATeresinaMon 9:03 pm79 °F Need some help?