Lake Mary, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Mary, a city in Seminole County, Florida.
Today
88°F
Partly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after noon. Partly sunny. High near 88, with temperatures falling to around 80 in the afternoon. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lake Mary
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Partly Sunny then Showers And Thunderstorms Likely | 5 mph SW | 71% |
| Tonight | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 46% |
| Wednesday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 47% |
| Wednesday Night | 75°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph ESE | 48% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 0 to 10 mph E | 52% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph E | 52% |
| Friday | 90°F | Showers And Thunderstorms Likely | 5 to 15 mph ENE | 63% |
| Friday Night | 76°F | Showers And Thunderstorms Likely then Partly Cloudy | 5 to 15 mph E | 63% |
| Saturday | 91°F | Showers And Thunderstorms Likely | 5 to 10 mph ESE | 68% |
| Saturday Night | 76°F | Showers And Thunderstorms Likely | 5 mph SE | 68% |
| Sunday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph ESE | 46% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph ESE | 46% |
| Monday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 37% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 37% |
Forecast source: National Weather Service (api.weather.gov) for Lake Mary (28.759, -81.333). Updated through the day.
Growing snapshot for Lake Mary
Last spring frost
Jan 26
First fall frost
Jan 12
Growing season
359 days
Hardiness zone
9b
More local growing data for Lake Mary: nearby ZIP 32746 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Altamonte Springs
Black Hammock
Casselberry
Fern Park
Forest City
Geneva
Goldenrod
Heathrow
Longwood
Midway
Oviedo
Sanford
Wekiwa Springs
Winter Springs
Climate data from the nearest NOAA station, Sanford, Fl (5.5 mi from Lake Mary). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.