Casselberry, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Casselberry, a city in Seminole County, Florida.
This Afternoon
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 82, with temperatures falling to around 78 in the afternoon. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Casselberry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 33% |
| Tonight | 71°F | Partly Cloudy | 5 to 10 mph E | 14% |
| Wednesday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph ESE | 16% |
| Wednesday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 18% |
| Thursday | 85°F | Sunny | 0 to 5 mph ENE | 10% |
| Thursday Night | 68°F | Mostly Clear | 0 to 5 mph ENE | 10% |
| Friday | 84°F | Sunny | 0 to 5 mph WNW | 6% |
| Friday Night | 67°F | Partly Cloudy | 0 to 5 mph NW | 6% |
| Saturday | 82°F | Sunny | 5 mph NW | 9% |
| Saturday Night | 63°F | Mostly Clear | 0 to 5 mph N | 9% |
| Sunday | 79°F | Mostly Sunny | 5 mph NW | 14% |
| Sunday Night | 62°F | Partly Cloudy | 5 mph N | 14% |
| Monday | 76°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph N | 22% |
| Monday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph N | 22% |
Forecast source: National Weather Service (api.weather.gov) for Casselberry (28.661, -81.322). Updated through the day.
Growing snapshot for Casselberry
Last spring frost
Jan 17
First fall frost
Jan 13
Growing season
365 days
Hardiness zone
10a
More local growing data for Casselberry: nearby ZIP 32707 weather · frost dates · planting calendar · Florida frost dates
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Winter Springs
Climate data from the nearest NOAA station, Orlando Executive Ap, Fl (8.3 mi from Casselberry). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.