Heathrow, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heathrow, a community in Seminole County, Florida.
This Afternoon
90°F
Mostly Sunny
Mostly sunny. High near 90, with temperatures falling to around 85 in the afternoon. East northeast wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Heathrow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Mostly Sunny | 15 mph ENE | 12% |
| Tonight | 72°F | Mostly Clear | 0 to 10 mph NNE | 10% |
| Saturday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph NNE | 40% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph NE | 20% |
| Sunday | 89°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 68% |
| Sunday Night | 73°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph ENE | 68% |
| Monday | 90°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 70% |
| Monday Night | 73°F | Showers And Thunderstorms Likely | 0 to 5 mph ESE | 70% |
| Tuesday | 90°F | Partly Sunny then Showers And Thunderstorms | 0 to 5 mph E | 77% |
| Tuesday Night | 73°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph ESE | 77% |
| Wednesday | 89°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph ENE | 68% |
| Wednesday Night | 73°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 10 mph NE | 68% |
| Thursday | 88°F | Showers And Thunderstorms Likely | 5 to 10 mph NNE | 58% |
| Thursday Night | 73°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 58% |
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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Goldenrod
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 Sep 19, 2026.