Waipahu, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waipahu, a community in Honolulu County, Hawaii.
Tonight
74°F
Partly Cloudy then Isolated Rain Showers
Isolated rain showers after midnight. Partly cloudy, with a low around 74. Northeast wind 5 to 12 mph. Chance of precipitation is 20%.
7-day forecast for Waipahu
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Partly Cloudy then Isolated Rain Showers | 5 to 12 mph NE | 18% |
| Tuesday | 86°F | Isolated Rain Showers | 3 to 7 mph ENE | 21% |
| Tuesday Night | 74°F | Isolated Rain Showers | 8 mph ENE | 24% |
| Wednesday | 86°F | Isolated Rain Showers | 9 mph ENE | 18% |
| Wednesday Night | 74°F | Scattered Rain Showers | 9 mph ENE | 27% |
| Thursday | 86°F | Isolated Rain Showers | 12 mph ENE | 22% |
| Thursday Night | 74°F | Scattered Rain Showers | 12 mph ENE | 27% |
| Friday | 87°F | Isolated Rain Showers | 14 mph ENE | 21% |
| Friday Night | 75°F | Partly Cloudy then Scattered Rain Showers | 14 mph ENE | 27% |
| Saturday | 87°F | Sunny | 13 to 16 mph ENE | 9% |
| Saturday Night | 75°F | Mostly Clear | 13 mph ENE | 14% |
| Sunday | 87°F | Mostly Sunny | 14 mph ENE | 8% |
| Sunday Night | 75°F | Partly Cloudy then Isolated Rain Showers | 14 mph ENE | 23% |
| Monday | 88°F | Sunny | 15 mph ENE | 6% |
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 Aug 4, 2026.