Boynton Beach, FL Weather & Growing Conditions
Today
90°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely after 11am. Partly sunny. High near 90, with temperatures falling to around 85 in the afternoon. Heat index values as high as 105. South wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Showers And Thunderstorms Likely | 2 to 6 mph S | 60% |
| Tonight | 78°F | Chance Showers And Thunderstorms | 1 to 6 mph SE | 52% |
| Wednesday | 89°F | Chance Showers And Thunderstorms | 2 to 8 mph E | 54% |
| Wednesday Night | 79°F | Chance Showers And Thunderstorms | 8 mph E | 41% |
| Thursday | 89°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 to 12 mph E | 66% |
| Thursday Night | 79°F | Showers And Thunderstorms Likely | 10 mph E | 66% |
| Friday | 89°F | Showers And Thunderstorms Likely | 12 mph E | 74% |
| Friday Night | 79°F | Showers And Thunderstorms Likely | 7 to 10 mph E | 57% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 7 to 12 mph SE | 50% |
| Saturday Night | 79°F | Chance Showers And Thunderstorms | 6 to 9 mph SE | 40% |
| Sunday | 91°F | Chance Showers And Thunderstorms | 6 to 10 mph E | 30% |
| Sunday Night | 79°F | Chance Showers And Thunderstorms then Mostly Clear | 8 mph E | 30% |
| Monday | 91°F | Chance Showers And Thunderstorms | 6 to 10 mph SE | 28% |
| Monday Night | 79°F | Chance Showers And Thunderstorms then Mostly Clear | 5 to 8 mph SE | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boynton Beach, FL
Last spring frost
Jan 22
First fall frost
Jan 17
Growing season
365 days
Hardiness zone
10b
Explore more for Boynton Beach, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Loxahatchee Nwr, Fl (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.