Hilo, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hilo, a community in Hawaii County, Hawaii.
Tonight
71°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 71. West northwest wind around 6 mph. Chance of precipitation is 40%.
7-day forecast for Hilo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Scattered Rain Showers | 6 mph WNW | 42% |
| Saturday | 81°F | Scattered Rain Showers | 5 to 9 mph NNE | 29% |
| Saturday Night | 71°F | Isolated Rain Showers | 3 mph NNW | 22% |
| Sunday | 82°F | Isolated Rain Showers then Partly Sunny | 9 mph NE | 15% |
| Sunday Night | 71°F | Scattered Rain Showers | 7 mph N | 47% |
| Monday | 82°F | Scattered Rain Showers | 7 mph N | 41% |
| Monday Night | 71°F | Chance Rain Showers | 6 mph NNW | 72% |
| Tuesday | 81°F | Chance Rain Showers | 5 mph NNE | 69% |
| Tuesday Night | 72°F | Chance Rain Showers | 2 mph N | 55% |
| Wednesday | 80°F | Scattered Rain Showers | 5 mph NE | 51% |
| Wednesday Night | 71°F | Chance Rain Showers | 2 mph NW | 58% |
| Thursday | 80°F | Chance Rain Showers | 3 mph N | 57% |
| Thursday Night | 71°F | Scattered Rain Showers | 10 mph W | 49% |
| Friday | 79°F | Scattered Rain Showers | 10 to 14 mph ENE | 38% |
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
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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 Sep 19, 2026.