Oldsmar, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oldsmar, a city in Pinellas County, Florida.
This Afternoon
92°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Mostly sunny. High near 92, with temperatures falling to around 88 in the afternoon. Heat index values as high as 97. East northeast wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Oldsmar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Scattered Showers And Thunderstorms | 8 mph ENE | 41% |
| Tonight | 74°F | Scattered Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph ENE | 46% |
| Saturday | 91°F | Mostly Sunny then Scattered Showers And Thunderstorms | 6 mph NE | 40% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms | 5 mph ENE | 56% |
| Sunday | 90°F | Mostly Sunny then Showers And Thunderstorms | 5 mph NE | 79% |
| Sunday Night | 74°F | Showers And Thunderstorms then Scattered Showers And Thunderstorms | 3 mph ENE | 79% |
| Monday | 89°F | Isolated Showers And Thunderstorms | 5 mph ENE | 78% |
| Monday Night | 75°F | Showers And Thunderstorms then Scattered Showers And Thunderstorms | 5 mph ENE | 78% |
| Tuesday | 89°F | Chance Showers And Thunderstorms | 5 mph SSE | 64% |
| Tuesday Night | 76°F | Chance Showers And Thunderstorms | 5 mph NE | 64% |
| Wednesday | 89°F | Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph NE | 66% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms | 7 mph ENE | 66% |
| Thursday | 89°F | Mostly Sunny then Scattered Showers And Thunderstorms | 9 mph NE | 53% |
| Thursday Night | 76°F | Scattered Showers And Thunderstorms | 9 mph NE | 53% |
Forecast source: National Weather Service (api.weather.gov) for Oldsmar (28.048, -82.671). Updated through the day.
Growing snapshot for Oldsmar
Last spring frost
Jan 20
First fall frost
Jan 9
Growing season
354 days
Hardiness zone
10a
More local growing data for Oldsmar: nearby ZIP 34677 weather · frost dates · planting calendar · Florida frost dates
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Climate data from the nearest NOAA station, Tarpon Spgs Sewage Plt, Fl (8.9 mi from Oldsmar). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.