The 10-day span for Zanzibar (Stone Town) runs from a high near 86° on Sunday down to 69° overnight on Saturday. About 0.25 in of precipitation is expected in total; the most likely wet day is Friday (57% chance). Wind is the one to watch: gusts to 25 mph around Thursday. Right now Zanzibar (Stone Town) is running about 9° warmer than Dodoma. Longer view: a tropical climate — warm all year, with the calendar split into wet and dry rather than hot and cold.
Zanzibar (Stone Town), Tanzania · 6.17°S, 39.20°E · Africa/Dar_es_Salaam · Forecast computed for these exact coordinates