Merritt Island, FL Weather & Growing Conditions
Today
81°F
Slight Chance Rain Showers then Mostly Sunny
A slight chance of rain showers before 10am. Mostly sunny, with a high near 81. East wind around 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Slight Chance Rain Showers then Mostly Sunny | 10 mph E | 15% |
| Tonight | 74°F | Partly Cloudy | 0 to 5 mph ENE | 3% |
| Thursday | 82°F | Sunny | 5 mph NE | 2% |
| Thursday Night | 73°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Friday | 82°F | Sunny | 5 mph NNE | 7% |
| Friday Night | 72°F | Partly Cloudy | 0 to 5 mph SSW | 7% |
| Saturday | 81°F | Sunny | 5 to 10 mph NNW | 2% |
| Saturday Night | 68°F | Mostly Clear | 5 mph N | 2% |
| Sunday | 80°F | Sunny | 5 to 10 mph N | 6% |
| Sunday Night | 67°F | Partly Cloudy | 5 to 10 mph N | 6% |
| Monday | 76°F | Mostly Sunny | 10 to 15 mph N | 13% |
| Monday Night | 66°F | Partly Cloudy then Slight Chance Rain Showers | 10 mph NNE | 15% |
| Tuesday | 78°F | Slight Chance Rain Showers | 10 mph NE | 19% |
| Tuesday Night | 66°F | Slight Chance Rain Showers | 5 to 10 mph N | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Merritt Island, FL
Last spring frost
Jan 24
First fall frost
Jan 9
Growing season
359 days
Hardiness zone
10a
Explore more for Merritt Island, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Melbourne Wfo, Fl (14.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.