Rainfall totals across the Keys on June 3rd - June 4th. Heavy showers and thunderstorms risk remains. This is the 24 hour Multi-Radar Multi-Sensor estimated rainfall for the Florida Keys ending at 2 AM. All island locations received at least an estimated one quarter of an inch of rain. Portions of Key West and Marathon received an estimated 1.6 inches, Long Key 3.2 inches, and Key Largo 2.4 inches. The wet weather pattern continues today across the region and additional heavy rain is likely.
Today... NE-E moderate breezes, increasing to ~15 kts across most waters. Seas: Bay/Gulfside 1-2 ft; Hawk Channel 1-2 ft; FL Straits 2-3 ft; SE Gulf 2-3 ft. Bay/nearshore waters a light to moderate chop. Showers with a chance of thunderstorms.
Today... NE-E moderate breezes, increasing to ~15 kts across most waters. Seas: Bay/Gulfside 1-2 ft; Hawk Channel 1-2 ft; FL Straits 2-3 ft; SE Gulf 2-3 ft. Bay/nearshore waters a light to moderate chop. Showers with a chance of thunderstorms.
May 2026 heat enters the record books for Key West, ranking as the warmest May (ties 2024) and the warmest Spring (previously 2024) on record.
May averaged 84.7°F (3.6 degrees above the 30-yr average/normal)
Spring [March-April-May] averaged 80.5°F (2.7 degrees above the 30-yr average/normal)
Temperature records date back to July 1872 for Key West and June 1950 for Marathon (however, Marathon did not rank in the top 10 for warmest May or Spring.)
Weather Map
Graphical Forecast
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