About Upper Grand Lagoon, FL

With a population of around 14,000, Upper Grand Lagoon sits in Florida, United States. The city operates in the Central Time Zone.

Recent weather here gives a sense of typical conditions: in 2025, Upper Grand Lagoon recorded a mean annual temperature of 70°F, ranging from 23°F lows in January to 96°F highs in July, with about 52 inches of precipitation across the year.