Merritt Island, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merritt Island, a community in Brevard County, Florida.
Today
83°F
Slight Chance Rain Showers then Mostly Sunny
A slight chance of rain showers before 10am. Mostly sunny, with a high near 83. East wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Merritt Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph E | 15% |
| Tonight | 72°F | Partly Cloudy | 0 to 5 mph ENE | 3% |
| Thursday | 84°F | Sunny | 0 to 5 mph ENE | 2% |
| Thursday Night | 70°F | Mostly Clear | 0 to 5 mph NE | 1% |
| Friday | 84°F | Sunny | 0 to 5 mph NNE | 8% |
| Friday Night | 68°F | Partly Cloudy | 0 to 5 mph SSW | 8% |
| Saturday | 83°F | Sunny | 5 to 10 mph NNW | 2% |
| Saturday Night | 67°F | Mostly Clear | 5 mph N | 2% |
| Sunday | 81°F | Sunny | 5 to 10 mph N | 6% |
| Sunday Night | 65°F | Partly Cloudy | 5 mph N | 6% |
| Monday | 76°F | Mostly Sunny | 5 to 10 mph N | 13% |
| Monday Night | 64°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NNE | 15% |
| Tuesday | 78°F | Slight Chance Rain Showers | 10 mph NNE | 19% |
| Tuesday Night | 65°F | Slight Chance Rain Showers | 5 mph NNW | 19% |
Forecast source: National Weather Service (api.weather.gov) for Merritt Island (28.309, -80.676). Updated through the day.
Growing snapshot for Merritt Island
Last spring frost
Jan 24
First fall frost
Jan 9
Growing season
359 days
Hardiness zone
10a
More local growing data for Merritt Island: nearby ZIP 32952 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Cape Canaveral
Cocoa
Cocoa Beach
Cocoa West
Grant-Valkaria
Indialantic
Indian Harbour Beach
June Park
Malabar
Melbourne
Melbourne Beach
Melbourne Village
Micco
Mims
North Merritt Island
Palm Bay
Palm Shores
Patrick AFB
Port St. John
Rockledge
Satellite Beach
Scottsmoor
Sharpes
South Patrick Shores
Titusville
Tropical Park
Viera East
Viera West
West Canaveral Groves
West Melbourne
Climate data from the nearest NOAA station, Melbourne Wfo, Fl (14.3 mi from Merritt Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.