Largo, FL Weather & Growing Conditions
This Afternoon
90°F
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms between 2pm and 3pm, then scattered showers and thunderstorms. Mostly sunny. High near 90, with temperatures falling to around 85 in the afternoon. Heat index values as high as 98. North northeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Isolated Showers And Thunderstorms | 6 mph NNE | 54% |
| Tonight | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 mph ENE | 61% |
| Sunday | 90°F | Mostly Sunny then Isolated Showers And Thunderstorms | 5 mph NNE | 42% |
| Sunday Night | 75°F | Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms | 5 mph ENE | 39% |
| Monday | 89°F | Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph E | 70% |
| Monday Night | 75°F | Chance Showers And Thunderstorms | 5 mph ENE | 70% |
| Tuesday | 89°F | Chance Showers And Thunderstorms | 6 mph SSE | 68% |
| Tuesday Night | 76°F | Chance Showers And Thunderstorms | 3 mph NE | 68% |
| Wednesday | 90°F | Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph NE | 66% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms | 7 mph NE | 66% |
| Thursday | 90°F | Sunny then Scattered Showers And Thunderstorms | 7 to 10 mph NNE | 42% |
| Thursday Night | 75°F | Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms | 9 mph NE | 42% |
| Friday | 90°F | Sunny then Scattered Showers And Thunderstorms | 10 mph NNE | 36% |
| Friday Night | 74°F | Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms | 7 to 10 mph NE | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Largo, FL
Last spring frost
Jan 17
First fall frost
Jan 14
Growing season
365 days
Hardiness zone
10a
Explore more for Largo, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, St Petersburg Intl Ap, Fl (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.