Upper Grand Lagoon, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Upper Grand Lagoon, a community in Bay County, Florida.
Today
90°F
Sunny
Sunny, with a high near 90. Heat index values as high as 101. West southwest wind 5 to 10 mph.
7-day forecast for Upper Grand Lagoon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 5 to 10 mph WSW | 13% |
| Tonight | 78°F | Mostly Clear | 0 to 10 mph WSW | 6% |
| Wednesday | 90°F | Slight Chance Showers And Thunderstorms then Sunny | 0 to 10 mph WSW | 15% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 10 mph S | 5% |
| Thursday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SE | 21% |
| Thursday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph ESE | 21% |
| Friday | 92°F | Chance Showers And Thunderstorms | 5 to 10 mph ESE | 51% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 5 mph E | 51% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 5 to 10 mph ESE | 42% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms | 5 mph SE | 42% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 40% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SSE | 40% |
| Monday | 89°F | Chance Showers And Thunderstorms | 5 to 10 mph SSE | 27% |
| Monday Night | 79°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Upper Grand Lagoon (30.176, -85.753). Updated through the day.
Growing snapshot for Upper Grand Lagoon
Last spring frost
Feb 7
First fall frost
Dec 24
Growing season
318 days
Hardiness zone
9b
More local growing data for Upper Grand Lagoon: nearby ZIP 32408 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Callaway
Cedar Grove
Laguna Beach
Lower Grand Lagoon
Lynn Haven
Mexico Beach
Panama City
Panama City Beach
Parker
Pretty Bayou
Springfield
Tyndall AFB
Climate data from the nearest NOAA station, Panama City Bay Co Ap, Fl (5.7 mi from Upper Grand Lagoon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.