Historical weather data, all-time temperature records, and monthly climate averages for Westchester, FL. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Westchester runs warm, with an average high of 83° and a low of 68° across 78 years of records. The date has seen a 44-degree swing in extremes — from a scorching 92° in 2011 down to a chilly 48° back in 1987. Rain is possible but unlikely, with just a 23% historical chance of precipitation.
Westchester's all-time thermometer has ranged from a brutal 98° in May 2017 down to a rare 30° freeze in January 1985. The wettest single day on record was April 25, 1979, when 14.85 inches fell — a reminder that South Florida's rain events can be extraordinary. This is a place defined more by heat than cold, with the record low barely dipping below freezing.
Westchester stays warm year-round, with monthly highs ranging from a mild 76° in January to a steamy 90° in July and August. If you're heat-averse, the coolest window runs early January, though 76° highs are hardly an escape. Peak rainy season hits in late June, averaging 2.4 inches in a single week — plan outdoor activities accordingly.