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.
Tonight
70°F
Showers And Thunderstorms Likely
A chance of rain showers before 3am, then showers and thunderstorms likely. Mostly cloudy, with a low around 70. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Upper Grand Lagoon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Showers And Thunderstorms Likely | 10 mph ESE | 56% |
| Wednesday | 81°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSE | 41% |
| Wednesday Night | 69°F | Partly Cloudy | 0 to 5 mph S | 8% |
| Thursday | 81°F | Mostly Sunny | 0 to 5 mph S | 12% |
| Thursday Night | 67°F | Partly Cloudy | 0 to 5 mph WSW | 3% |
| Friday | 80°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph WNW | 16% |
| Friday Night | 61°F | Partly Cloudy | 5 to 10 mph NNW | 10% |
| Saturday | 77°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph N | 15% |
| Saturday Night | 55°F | Partly Cloudy | 10 mph N | 7% |
| Sunday | 71°F | Mostly Sunny then Slight Chance Rain Showers | 10 mph NNW | 15% |
| Sunday Night | 53°F | Slight Chance Rain Showers | 10 mph N | 15% |
| Monday | 72°F | Sunny then Slight Chance Rain Showers | 10 to 15 mph NNW | 15% |
| Monday Night | 52°F | Slight Chance Rain Showers | 10 mph N | 15% |
| Tuesday | 73°F | Sunny | 5 to 10 mph ESE | 6% |
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 Nov 4, 2026.