Lake Harbor, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Harbor, a community in Palm Beach County, Florida.
Today
90°F
Mostly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after noon. Mostly sunny. High near 90, with temperatures falling to around 84 in the afternoon. Heat index values as high as 100. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lake Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Mostly Sunny then Showers And Thunderstorms Likely | 5 mph SW | 65% |
| Tonight | 73°F | Showers And Thunderstorms Likely then Mostly Cloudy | 1 to 5 mph SE | 62% |
| Wednesday | 89°F | Showers And Thunderstorms Likely | 1 to 6 mph E | 67% |
| Wednesday Night | 74°F | Chance Showers And Thunderstorms then Mostly Cloudy | 6 mph E | 52% |
| Thursday | 89°F | Showers And Thunderstorms Likely | 5 to 12 mph E | 73% |
| Thursday Night | 74°F | Showers And Thunderstorms Likely then Partly Cloudy | 6 to 10 mph E | 73% |
| Friday | 89°F | Showers And Thunderstorms Likely | 7 to 12 mph E | 77% |
| Friday Night | 74°F | Showers And Thunderstorms | 9 mph E | 77% |
| Saturday | 90°F | Showers And Thunderstorms | 9 mph SE | 80% |
| Saturday Night | 74°F | Showers And Thunderstorms | 8 mph E | 80% |
| Sunday | 91°F | Sunny then Showers And Thunderstorms Likely | 6 to 9 mph E | 62% |
| Sunday Night | 74°F | Showers And Thunderstorms Likely | 5 to 9 mph E | 62% |
| Monday | 92°F | Sunny then Showers And Thunderstorms Likely | 5 to 8 mph E | 58% |
| Monday Night | 74°F | Showers And Thunderstorms Likely | 5 to 8 mph E | 58% |
Forecast source: National Weather Service (api.weather.gov) for Lake Harbor (26.688, -80.808). Updated through the day.
Growing snapshot for Lake Harbor
Growing season
365 days
Hardiness zone
10b
More local growing data for Lake Harbor: nearby ZIP 33476 weather · frost dates · planting calendar · Florida frost dates
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Climate data from the nearest NOAA station, Canal Ptda, Fl (4.7 mi from Lake Harbor). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.