Palm Harbor, FL Weather & Growing Conditions
Tonight
73°F
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before 10pm. Partly cloudy, with a low around 73. Heat index values as high as 97. East northeast wind 3 to 8 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 |
|---|---|---|---|---|
| Tonight | 73°F | Scattered Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph ENE | 48% |
| Saturday | 91°F | Mostly Sunny then Scattered Showers And Thunderstorms | 6 mph NNE | 38% |
| Saturday Night | 74°F | Scattered Showers And Thunderstorms | 5 mph ENE | 54% |
| Sunday | 90°F | Mostly Sunny then Showers And Thunderstorms | 5 mph NE | 76% |
| Sunday Night | 74°F | Showers And Thunderstorms then Scattered Showers And Thunderstorms | 5 mph ENE | 76% |
| Monday | 90°F | Scattered Showers And Thunderstorms | 5 mph ENE | 76% |
| Monday Night | 75°F | Showers And Thunderstorms then Scattered Showers And Thunderstorms | 6 mph ENE | 76% |
| Tuesday | 88°F | Chance Showers And Thunderstorms | 6 mph SSW | 62% |
| Tuesday Night | 76°F | Chance Showers And Thunderstorms | 6 mph ENE | 62% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 7 mph NE | 64% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms | 8 mph NE | 64% |
| Thursday | 88°F | Mostly Sunny then Scattered Showers And Thunderstorms | 8 to 12 mph NE | 51% |
| Thursday Night | 75°F | Scattered Showers And Thunderstorms | 10 mph NE | 51% |
| Friday | 88°F | Scattered Showers And Thunderstorms | 13 mph NNE | 39% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Palm Harbor, FL
Last spring frost
Jan 20
First fall frost
Jan 9
Growing season
354 days
Hardiness zone
10a
Explore more for Palm Harbor, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Tarpon Spgs Sewage Plt, Fl (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.