Hilo, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hilo, a community in Hawaii County, Hawaii.
Overnight
69°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 69. West wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hilo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Scattered Rain Showers | 3 mph W | 48% |
| Tuesday | 82°F | Scattered Rain Showers | 1 to 7 mph NE | 54% |
| Tuesday Night | 71°F | Chance Rain Showers | 3 mph WNW | 68% |
| Wednesday | 82°F | Scattered Rain Showers | 2 to 7 mph NNE | 51% |
| Wednesday Night | 70°F | Chance Rain Showers | 3 mph NE | 70% |
| Thursday | 82°F | Chance Rain Showers | 3 to 8 mph NE | 70% |
| Thursday Night | 70°F | Occasional Rain Showers | 3 mph N | 75% |
| Friday | 82°F | Chance Rain Showers | 3 to 8 mph NNE | 63% |
| Friday Night | 70°F | Occasional Rain Showers | 3 mph N | 76% |
| Saturday | 82°F | Occasional Rain Showers | 2 to 7 mph NNE | 84% |
| Saturday Night | 71°F | Chance Rain Showers | 3 mph ENE | 71% |
| Sunday | 82°F | Occasional Rain Showers | 1 to 9 mph ESE | 81% |
| Sunday Night | 71°F | Chance Rain Showers | 3 mph ESE | 61% |
| Monday | 82°F | Occasional Rain Showers | 1 to 8 mph NE | 79% |
Forecast source: National Weather Service (api.weather.gov) for Hilo (19.689, -155.083). Updated through the day.
Growing snapshot for Hilo
Growing season
365 days
More local growing data for Hilo: nearby ZIP 96749 weather · frost dates · planting calendar · Hawaii frost dates
Nearby towns & communities
Ainaloa
Black Sands
Captain Cook
Discovery Harbour
Eden Roc
Fern Acres
Fern Forest
Halaula
Hawaiian Acres
Hawaiian Beaches
Hawaiian Ocean View
Hawaiian Paradise Park
Hawi
Holualoa
Honalo
Honaunau-Napoopoo
Honokaa
Honomu
Kahaluu-Keauhou
Kailua
Kaiminani
Kalapana
Kaloko
Kamaili
Kapaau
Keaau
Kealakekua
Kukuihaele
Kurtistown
Laupahoehoe
Climate data from the nearest NOAA station, Hilo 5 S, Hi (6.3 mi from Hilo). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.