Hilo, HI Weather & Growing Conditions
Overnight
63°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 63. West southwest wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Scattered Rain Showers | 3 mph WSW | 35% |
| Tuesday | 74°F | Scattered Rain Showers | 2 to 7 mph E | 48% |
| Tuesday Night | 64°F | Chance Rain Showers | 3 mph NNW | 61% |
| Wednesday | 74°F | Scattered Rain Showers | 1 to 8 mph NE | 46% |
| Wednesday Night | 64°F | Chance Rain Showers | 3 mph NE | 62% |
| Thursday | 73°F | Chance Rain Showers | 6 mph NE | 60% |
| Thursday Night | 62°F | Chance Rain Showers | 3 mph NNE | 70% |
| Friday | 74°F | Scattered Rain Showers | 3 to 7 mph NE | 41% |
| Friday Night | 62°F | Scattered Rain Showers | 3 mph NNE | 52% |
| Saturday | 74°F | Chance Rain Showers | 3 to 7 mph NE | 56% |
| Saturday Night | 65°F | Chance Rain Showers | 3 mph NE | 59% |
| Sunday | 73°F | Scattered Rain Showers | 2 to 7 mph E | 52% |
| Sunday Night | 64°F | Chance Rain Showers | 3 mph E | 57% |
| Monday | 74°F | Chance Rain Showers | 3 to 7 mph NE | 68% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hilo, HI
Growing season
365 days
Explore more for Hilo, HI: full frost dates · planting calendar · Hawaii frost dates
Climate data from the nearest NOAA station, Hilo 5 S, Hi (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.