Poipu, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Poipu, a community in Kauai County, Hawaii.
Today
87°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 87. Northeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Poipu
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Chance Rain Showers | 21 mph NE | 63% |
| Tonight | 76°F | Scattered Rain Showers | 14 to 18 mph NE | 31% |
| Saturday | 86°F | Scattered Rain Showers | 14 to 20 mph NE | 36% |
| Saturday Night | 76°F | Scattered Rain Showers | 14 mph ENE | 27% |
| Sunday | 86°F | Scattered Rain Showers | 15 mph ENE | 31% |
| Sunday Night | 76°F | Isolated Rain Showers | 15 mph ENE | 24% |
| Monday | 87°F | Scattered Rain Showers | 15 mph NE | 30% |
| Monday Night | 75°F | Scattered Rain Showers | 13 mph NE | 30% |
| Tuesday | 87°F | Scattered Rain Showers | 13 mph NE | 37% |
| Tuesday Night | 76°F | Scattered Rain Showers | 13 mph NE | 44% |
| Wednesday | 86°F | Scattered Rain Showers | 14 mph NE | 43% |
| Wednesday Night | 75°F | Scattered Rain Showers | 13 mph NE | 40% |
| Thursday | 86°F | Scattered Rain Showers | 13 mph NE | 48% |
| Thursday Night | 75°F | Scattered Rain Showers | 13 to 18 mph NE | 39% |
Forecast source: National Weather Service (api.weather.gov) for Poipu (21.886, -159.457). Updated through the day.
Growing snapshot for Poipu
Growing season
365 days
More local growing data for Poipu: nearby ZIP 96756 weather · frost dates · planting calendar · Hawaii frost dates
Nearby towns & communities
Anahola
Eleele
Haena
Hanalei
Hanamaulu
Hanapepe
Kalaheo
Kalihiwai
Kapaa
Kaumakani
Kekaha
Kilauea
Koloa
Lawai
Lihue
Omao
Pakala Village
Princeville
Puhi
Wailua
Wailua Homesteads
Waimea
Wainiha
Climate data from the nearest NOAA station, Mahaulepu 941.1, Hi (2.1 mi from Poipu). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.