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Weather patterns in Haiti

Updated 5 times since CLSTR started tracking revisions of this situation.

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2026-09-30 06:04 UTC → 2026-10-26 16:51 UTC · added ~~removed~~

In early September 2026, Haiti experienced high temperatures and thunderstorm risks. The Unité hydrométéorologique d’Haïti (UHM) initially forecast temperatures between 33°C and 37°C, with localized heavy rainfall and thunderstorms expected in the Grand’Anse, Nippes, and Sud-Est departments, as well as potential evening showers in the West, Center, Artibonite, and North-East departments. By September 6, conditions shifted toward mostly sunny weather, though a tropical wave southeast of the Dominican Republic was expected to trigger isolated, potentially stormy showers in the late afternoon or evening. These showers were anticipated to affect the South-East, Grand'Anse, Centre, Artibonite, West, and Nippes departments, with temperatures in Port-au-Prince reaching a maximum of 38°C. As of late September 2026, the forecast indicates continued hot weather with temperatures ranging between 20°C and 37°C. Localized heavy showers and thunderstorms are expected to occur in several departments during the late afternoon and evening. While Tropical Storm Gonzalo was previously monitored north of the Cape Verde islands, it lost its tropical cyclone characteristics as of Saturday, September 26. By September 28, the UHM reported persistent hot weather with temperatures between 33°C and 37°C. Although the air mass remains relatively dry, isolated showers and thunderstorms are possible in the late afternoon and evening, specifically in the West, Grand'Anse, Nippes, Centre, Artibonite, and Northwest departments. Port-au-Prince is expected to reach up to 37°C with cloudy developments. Due to the persistent heat, authorities have issued advisories for the population to drink water regularly to prevent dehydration, avoid intense physical activity or prolonged sun exposure during peak hours, and wear light, loose-fitting, light-colored clothing. In October 2026, the weather pattern shifted from heat to heavy precipitation.

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