Royal Kunia, HI Weather & Growing Conditions
Overnight
73°F
Isolated Rain Showers
Isolated rain showers. Partly cloudy, with a low around 73. North northeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Isolated Rain Showers | 5 mph NNE | 23% |
| Tuesday | 85°F | Isolated Rain Showers | 6 mph NE | 24% |
| Tuesday Night | 74°F | Scattered Rain Showers | 5 to 8 mph ENE | 28% |
| Wednesday | 85°F | Isolated Rain Showers | 9 mph ENE | 21% |
| Wednesday Night | 73°F | Scattered Rain Showers | 8 mph ENE | 32% |
| Thursday | 85°F | Scattered Rain Showers | 10 mph ENE | 26% |
| Thursday Night | 74°F | Scattered Rain Showers | 8 to 12 mph ENE | 32% |
| Friday | 86°F | Isolated Rain Showers | 13 mph ENE | 24% |
| Friday Night | 74°F | Scattered Rain Showers | 13 mph ENE | 30% |
| Saturday | 86°F | Mostly Sunny | 12 to 15 mph ENE | 13% |
| Saturday Night | 75°F | Partly Cloudy then Isolated Rain Showers | 12 mph ENE | 18% |
| Sunday | 86°F | Mostly Sunny | 13 mph ENE | 12% |
| Sunday Night | 75°F | Scattered Rain Showers | 13 mph ENE | 27% |
| Monday | 87°F | Sunny | 12 to 15 mph ENE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Royal Kunia, HI
Growing season
365 days
Explore more for Royal Kunia, HI: full frost dates · planting calendar · Hawaii frost dates
Climate data from the nearest NOAA station, Upper Wahiawa 874.3, Hi (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.