Harman US

Lower Grand Lagoon, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lower Grand Lagoon, a community in Bay County, Florida.

Today
90°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Lower Grand Lagoon

WhenTempForecastWindPrecip
Today 90°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SSW 15%
Tonight 79°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 10 mph SSW 20%
Sunday 89°F Mostly Sunny then Chance Showers And Thunderstorms 5 mph N 45%
Sunday Night 77°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 5 mph NE 60%
Monday 88°F Chance Showers And Thunderstorms 5 mph SE 47%
Monday Night 77°F Chance Showers And Thunderstorms 5 mph SE 47%
Tuesday 88°F Slight Chance Showers And Thunderstorms 5 to 10 mph ESE 23%
Tuesday Night 77°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph ESE 23%
Wednesday 88°F Sunny then Slight Chance Showers And Thunderstorms 10 to 15 mph SE 20%
Wednesday Night 76°F Slight Chance Showers And Thunderstorms then Mostly Clear 5 to 15 mph N 20%
Thursday 87°F Sunny 10 to 20 mph ENE 11%
Thursday Night 75°F Mostly Clear 10 to 15 mph NE 11%
Friday 86°F Sunny 10 to 15 mph NE 7%
Friday Night 74°F Partly Cloudy 10 to 15 mph NNE 7%

Forecast source: National Weather Service (api.weather.gov) for Lower Grand Lagoon (30.143, -85.752). Updated through the day.

Growing snapshot for Lower Grand Lagoon

Last spring frost
Feb 7
First fall frost
Dec 24
Growing season
318 days
Hardiness zone
9b

More local growing data for Lower Grand Lagoon: nearby ZIP 32408 weather · frost dates · planting calendar · Florida frost dates

Nearby towns & communities

All Florida locations ›

Climate data from the nearest NOAA station, Panama City Bay Co Ap, Fl (5.7 mi from Lower Grand Lagoon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.