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Largo, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Largo, a city in Pinellas County, Florida.

Today
88°F
Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms
A chance of showers and thunderstorms before 11am, then scattered showers and thunderstorms. Partly sunny, with a high near 88. Heat index values as high as 97. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Largo

WhenTempForecastWindPrecip
Today 88°F Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms 5 to 9 mph SW 65%
Tonight 77°F Scattered Showers And Thunderstorms 2 to 9 mph S 27%
Wednesday 90°F Scattered Showers And Thunderstorms 2 to 8 mph S 38%
Wednesday Night 76°F Scattered Showers And Thunderstorms then Mostly Cloudy 6 mph SE 45%
Thursday 92°F Partly Sunny then Chance Showers And Thunderstorms 7 mph ENE 71%
Thursday Night 76°F Chance Showers And Thunderstorms then Partly Cloudy 7 mph ENE 71%
Friday 92°F Mostly Sunny then Chance Showers And Thunderstorms 7 to 10 mph E 72%
Friday Night 76°F Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms 8 mph E 72%
Saturday 91°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 8 mph SSE 63%
Saturday Night 77°F Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms 6 mph ESE 63%
Sunday 92°F Mostly Sunny then Scattered Showers And Thunderstorms 7 mph S 40%
Sunday Night 77°F Scattered Showers And Thunderstorms 5 mph ENE 40%
Monday 92°F Mostly Sunny then Scattered Showers And Thunderstorms 5 mph S 26%
Monday Night 78°F Scattered Showers And Thunderstorms then Partly Cloudy 5 mph NE 26%

Forecast source: National Weather Service (api.weather.gov) for Largo (27.906, -82.767). Updated through the day.

Growing snapshot for Largo

Last spring frost
Jan 17
First fall frost
Jan 14
Growing season
365 days
Hardiness zone
10a

More local growing data for Largo: nearby ZIP 33771 weather · frost dates · planting calendar · Florida frost dates

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Climate data from the nearest NOAA station, St Petersburg Intl Ap, Fl (4.4 mi from Largo). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.