Fern Forest, HI Weather & Growing Conditions
Today
74°F
Scattered Rain Showers
Scattered rain showers. Cloudy, with a high near 74. North northeast wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Scattered Rain Showers | 18 mph NNE | 26% |
| Tonight | 68°F | Scattered Rain Showers | 15 mph NNE | 32% |
| Sunday | 75°F | Isolated Rain Showers then Partly Sunny | 20 mph NNE | 21% |
| Sunday Night | 67°F | Scattered Rain Showers | 18 mph N | 40% |
| Monday | 77°F | Scattered Rain Showers | 20 mph NNE | 41% |
| Monday Night | 69°F | Chance Rain Showers | 14 to 17 mph WNW | 72% |
| Tuesday | 74°F | Chance Rain Showers | 16 mph NE | 72% |
| Tuesday Night | 69°F | Chance Rain Showers | 16 mph NNE | 60% |
| Wednesday | 72°F | Chance Rain Showers | 16 mph NE | 57% |
| Wednesday Night | 68°F | Chance Rain Showers | 15 mph NNE | 62% |
| Thursday | 72°F | Chance Rain Showers | 16 mph ESE | 60% |
| Thursday Night | 67°F | Scattered Rain Showers | 16 mph S | 50% |
| Friday | 72°F | Scattered Rain Showers | 18 mph ENE | 40% |
| Friday Night | 66°F | Scattered Rain Showers | 18 to 22 mph NE | 47% |
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.