Boynton Beach, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boynton Beach, a city in Palm Beach County, Florida.
Tonight
75°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Boynton Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 75°F | Chance Showers And Thunderstorms | 8 mph E | 42% |
| Wednesday | 84°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph E | 33% |
| Wednesday Night | 73°F | Partly Cloudy | 2 to 6 mph E | 8% |
| Thursday | 84°F | Sunny | 3 to 8 mph NE | 2% |
| Thursday Night | 72°F | Mostly Clear | 2 to 6 mph NE | 2% |
| Friday | 84°F | Sunny | 2 to 6 mph NE | 8% |
| Friday Night | 70°F | Mostly Clear | 0 to 3 mph NE | 8% |
| Saturday | 84°F | Sunny | 5 mph N | 4% |
| Saturday Night | 70°F | Mostly Clear | 3 mph N | 4% |
| Sunday | 83°F | Sunny | 2 to 6 mph N | 12% |
| Sunday Night | 69°F | Slight Chance Rain Showers | 6 mph N | 18% |
| Monday | 80°F | Chance Rain Showers | 6 to 10 mph N | 27% |
| Monday Night | 67°F | Chance Rain Showers then Partly Cloudy | 9 mph NE | 27% |
| Tuesday | 79°F | Slight Chance Rain Showers | 12 mph NE | 23% |
Forecast source: National Weather Service (api.weather.gov) for Boynton Beach (26.528, -80.081). Updated through the day.
Growing snapshot for Boynton Beach
Last spring frost
Jan 22
First fall frost
Jan 17
Growing season
365 days
Hardiness zone
10b
More local growing data for Boynton Beach: nearby ZIP 33426 weather · frost dates · planting calendar · Florida frost dates
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Climate data from the nearest NOAA station, Loxahatchee Nwr, Fl (8.6 mi from Boynton Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.