Casselberry, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Casselberry, a city in Seminole County, Florida.
Today
89°F
Partly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after noon. Partly sunny. High near 89, with temperatures falling to around 81 in the afternoon. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Casselberry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Partly Sunny then Showers And Thunderstorms Likely | 5 mph SW | 70% |
| Tonight | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 44% |
| Wednesday | 91°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 49% |
| Wednesday Night | 75°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph ESE | 48% |
| Thursday | 91°F | Chance Showers And Thunderstorms | 0 to 10 mph E | 53% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph E | 53% |
| Friday | 91°F | Showers And Thunderstorms Likely | 5 to 15 mph ENE | 64% |
| Friday Night | 76°F | Showers And Thunderstorms Likely then Partly Cloudy | 5 to 15 mph E | 64% |
| Saturday | 91°F | Showers And Thunderstorms Likely | 5 to 10 mph ESE | 69% |
| Saturday Night | 76°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 69% |
| Sunday | 92°F | Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SE | 47% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SE | 47% |
| Monday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 39% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 39% |
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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Wekiwa Springs
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 Aug 4, 2026.