Fern Forest, HI Weather & Growing Conditions
Tonight
67°F
Scattered Rain Showers
Scattered rain showers. Cloudy, with a low around 67. North wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Scattered Rain Showers | 14 mph N | 49% |
| Saturday | 74°F | Scattered Rain Showers | 15 to 18 mph NNE | 26% |
| Saturday Night | 67°F | Scattered Rain Showers | 14 mph N | 32% |
| Sunday | 76°F | Isolated Rain Showers then Mostly Sunny | 17 mph NE | 21% |
| Sunday Night | 68°F | Scattered Rain Showers | 17 mph NNE | 40% |
| Monday | 76°F | Scattered Rain Showers | 17 mph NNE | 41% |
| Monday Night | 68°F | Chance Rain Showers | 16 mph N | 73% |
| Tuesday | 74°F | Chance Rain Showers | 15 mph NE | 73% |
| Tuesday Night | 68°F | Chance Rain Showers | 15 mph N | 61% |
| Wednesday | 73°F | Chance Rain Showers | 14 mph NNE | 57% |
| Wednesday Night | 68°F | Chance Rain Showers | 13 mph N | 62% |
| Thursday | 73°F | Chance Rain Showers | 13 mph NNE | 60% |
| Thursday Night | 67°F | Scattered Rain Showers | 14 mph N | 51% |
| Friday | 72°F | Scattered Rain Showers | 13 to 16 mph ENE | 40% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fern Forest, HI
Growing season
365 days
Explore more for Fern Forest, HI: full frost dates · planting calendar · Hawaii frost dates
Climate data from the nearest NOAA station, Glenwood #2 55.4, Hi (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.