Waipahu, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waipahu, a community in Honolulu County, Hawaii.
Today
87°F
Isolated Rain Showers
Isolated rain showers. Mostly sunny, with a high near 87. East northeast wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
7-day forecast for Waipahu
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Isolated Rain Showers | 14 to 17 mph ENE | 21% |
| Tonight | 76°F | Mostly Cloudy | 8 to 14 mph ENE | 3% |
| Saturday | 86°F | Mostly Cloudy | 9 to 20 mph ENE | 4% |
| Saturday Night | 76°F | Mostly Cloudy | 13 mph ENE | 3% |
| Sunday | 87°F | Partly Sunny | 13 mph ENE | 4% |
| Sunday Night | 76°F | Mostly Cloudy | 12 mph ENE | 3% |
| Monday | 86°F | Mostly Sunny | 13 mph ENE | 3% |
| Monday Night | 76°F | Partly Cloudy | 10 mph ENE | 9% |
| Tuesday | 87°F | Partly Sunny | 13 mph ENE | 12% |
| Tuesday Night | 76°F | Mostly Cloudy then Isolated Rain Showers | 12 mph NE | 22% |
| Wednesday | 87°F | Isolated Rain Showers then Partly Sunny | 9 to 13 mph NE | 16% |
| Wednesday Night | 75°F | Isolated Rain Showers | 9 mph NE | 17% |
| Thursday | 86°F | Isolated Rain Showers | 9 to 13 mph NE | 21% |
| Thursday Night | 75°F | Partly Cloudy then Isolated Rain Showers | 9 to 15 mph NE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Waipahu (21.385, -158.011). Updated through the day.
Growing snapshot for Waipahu
Growing season
365 days
More local growing data for Waipahu: nearby ZIP 96797 weather · frost dates · planting calendar · Hawaii frost dates
Nearby towns & communities
Ahuimanu
Aiea
East Honolulu
East Kapolei
Ewa Beach
Ewa Gentry
Ewa Villages
Halawa
Haleiwa
Hauula
Heeia
Helemano
Hickam Housing
Iroquois Point
Kaaawa
Kahaluu
Kahuku
Kailua
Kalaeloa
Kaneohe
Kaneohe Base
Kapolei
Kawela Bay
Ko Olina
Laie
Maili
Makaha
Makaha Valley
Makakilo
Maunawili
Climate data from the nearest NOAA station, Upper Wahiawa 874.3, Hi (6.3 mi from Waipahu). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.