Fern Forest, HI Weather & Growing Conditions
Overnight
66°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 66. North northwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Scattered Rain Showers | 6 mph NNW | 53% |
| Tuesday | 76°F | Scattered Rain Showers | 6 to 10 mph NNE | 52% |
| Tuesday Night | 66°F | Chance Rain Showers | 7 to 10 mph N | 67% |
| Wednesday | 76°F | Scattered Rain Showers | 7 to 12 mph NNE | 52% |
| Wednesday Night | 67°F | Chance Rain Showers | 12 mph NNE | 66% |
| Thursday | 75°F | Chance Rain Showers | 14 mph NE | 65% |
| Thursday Night | 66°F | Chance Rain Showers | 13 mph NNE | 71% |
| Friday | 76°F | Chance Rain Showers | 12 to 16 mph NNE | 66% |
| Friday Night | 66°F | Occasional Rain Showers | 12 to 15 mph NNE | 75% |
| Saturday | 76°F | Occasional Rain Showers | 13 to 16 mph NNE | 80% |
| Saturday Night | 67°F | Chance Rain Showers | 9 to 14 mph NNE | 74% |
| Sunday | 75°F | Occasional Rain Showers | 9 to 13 mph NE | 86% |
| Sunday Night | 67°F | Chance Rain Showers | 12 mph NE | 69% |
| Monday | 75°F | Occasional Rain Showers | 12 to 16 mph NE | 79% |
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 Aug 4, 2026.