Glen St. Mary, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glen St. Mary, a town in Baker County, Florida.
Overnight
67°F
Patchy Fog
Patchy fog. Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. East wind around 5 mph.
7-day forecast for Glen St. Mary
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Patchy Fog | 5 mph E | 0% |
| Wednesday | 84°F | Patchy Fog then Partly Sunny | 5 to 9 mph SE | 12% |
| Wednesday Night | 66°F | Partly Cloudy then Patchy Fog | 0 to 6 mph SE | 12% |
| Thursday | 85°F | Patchy Fog then Mostly Sunny | 0 to 3 mph S | 11% |
| Thursday Night | 66°F | Partly Cloudy then Patchy Fog | 1 mph E | 7% |
| Friday | 84°F | Patchy Fog then Mostly Sunny | 0 to 7 mph W | 10% |
| Friday Night | 59°F | Mostly Cloudy | 3 mph NW | 10% |
| Saturday | 79°F | Sunny | 6 mph NW | 2% |
| Saturday Night | 51°F | Partly Cloudy | 3 mph NW | 2% |
| Sunday | 76°F | Mostly Sunny | 6 mph N | 3% |
| Sunday Night | 50°F | Partly Cloudy | 1 to 6 mph N | 3% |
| Monday | 71°F | Mostly Sunny then Slight Chance Rain Showers | 7 mph N | 15% |
| Monday Night | 48°F | Slight Chance Rain Showers then Partly Cloudy | 1 to 6 mph N | 15% |
| Tuesday | 73°F | Mostly Sunny then Slight Chance Rain Showers | 5 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Glen St. Mary (30.275, -82.160). Updated through the day.
Growing snapshot for Glen St. Mary
Last spring frost
Mar 8
First fall frost
Dec 1
Growing season
272 days
Hardiness zone
9a
More local growing data for Glen St. Mary: nearby ZIP 32063 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Glen St Mary 1 W, Fl (3.9 mi from Glen St. Mary). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.