Harman US

Heathrow, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Heathrow, a community in Seminole County, Florida.

This Afternoon
84°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy. High near 84, with temperatures falling to around 80 in the afternoon. East wind around 5 mph. Chance of precipitation is 20%.

7-day forecast for Heathrow

WhenTempForecastWindPrecip
This Afternoon 84°F Slight Chance Rain Showers 5 mph E 17%
Tonight 68°F Partly Cloudy then Patchy Fog 0 to 5 mph SE 14%
Thursday 86°F Patchy Fog then Sunny 0 to 5 mph ENE 13%
Thursday Night 68°F Mostly Clear 0 to 5 mph E 12%
Friday 85°F Sunny then Slight Chance Rain Showers 0 to 5 mph WNW 15%
Friday Night 67°F Slight Chance Rain Showers then Partly Cloudy 0 to 5 mph WNW 15%
Saturday 83°F Sunny 5 mph NNW 2%
Saturday Night 60°F Mostly Clear 0 to 5 mph N 2%
Sunday 80°F Mostly Sunny 5 to 10 mph NNE 4%
Sunday Night 60°F Partly Cloudy 5 to 10 mph NNE 4%
Monday 78°F Mostly Sunny 5 to 10 mph NE 7%
Monday Night 58°F Partly Cloudy 5 to 10 mph ENE 8%
Tuesday 78°F Mostly Sunny then Slight Chance Rain Showers 5 mph NE 17%
Tuesday Night 60°F Slight Chance Rain Showers then Mostly Cloudy 0 to 5 mph NNW 17%

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

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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 5, 2026.