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.
This Afternoon
88°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Partly sunny. High near 88, with temperatures falling to around 84 in the afternoon. East wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Boynton Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Showers And Thunderstorms Likely | 6 mph E | 59% |
| Tonight | 76°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 39% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 66% |
| Saturday Night | 75°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 3 mph SW | 69% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 95% |
| Sunday Night | 76°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph S | 95% |
| Monday | 89°F | Chance Showers And Thunderstorms | 1 to 6 mph S | 93% |
| Monday Night | 75°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph S | 93% |
| Tuesday | 89°F | Chance Showers And Thunderstorms | 1 to 7 mph S | 89% |
| Tuesday Night | 76°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph S | 89% |
| Wednesday | 89°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 6 mph SE | 89% |
| Wednesday Night | 75°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SE | 89% |
| Thursday | 88°F | Showers And Thunderstorms | 3 to 7 mph NW | 76% |
| Thursday Night | 76°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph N | 76% |
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 Sep 18, 2026.