Heathrow, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heathrow, a community in Seminole County, Florida.
This Afternoon
83°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 83, with temperatures falling to around 78 in the afternoon. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Heathrow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 28% |
| Tonight | 70°F | Partly Cloudy | 5 to 10 mph E | 14% |
| Wednesday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph ESE | 16% |
| Wednesday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph ESE | 20% |
| Thursday | 85°F | Sunny | 0 to 5 mph ENE | 9% |
| Thursday Night | 68°F | Mostly Clear | 0 to 5 mph ESE | 9% |
| Friday | 84°F | Mostly Sunny | 0 to 5 mph W | 7% |
| Friday Night | 66°F | Partly Cloudy | 0 to 5 mph WNW | 7% |
| Saturday | 83°F | Sunny | 5 mph NW | 9% |
| Saturday Night | 62°F | Mostly Clear | 0 to 5 mph N | 9% |
| Sunday | 80°F | Mostly Sunny | 5 mph NW | 13% |
| Sunday Night | 60°F | Partly Cloudy | 5 mph N | 13% |
| Monday | 76°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph N | 22% |
| Monday Night | 57°F | Slight Chance Rain Showers then Mostly Clear | 5 to 10 mph N | 22% |
Forecast source: National Weather Service (api.weather.gov) for Heathrow (28.779, -81.371). Updated through the day.
Growing snapshot for Heathrow
Last spring frost
Jan 26
First fall frost
Jan 12
Growing season
359 days
Hardiness zone
9b
More local growing data for Heathrow: nearby ZIP 32746 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Altamonte Springs
Black Hammock
Casselberry
Fern Park
Forest City
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Lake Mary
Longwood
Midway
Oviedo
Sanford
Wekiwa Springs
Winter Springs
Climate data from the nearest NOAA station, Sanford, Fl (5.5 mi from Heathrow). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.