Keaau, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keaau, a community in Hawaii County, Hawaii.
This Afternoon
81°F
Scattered Rain Showers
Scattered rain showers. Partly sunny, with a high near 81. East northeast wind 6 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Keaau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Scattered Rain Showers | 6 to 10 mph ENE | 36% |
| Tonight | 70°F | Chance Rain Showers | 7 mph NW | 62% |
| Saturday | 80°F | Chance Rain Showers | 3 to 12 mph N | 56% |
| Saturday Night | 71°F | Scattered Rain Showers | 5 mph NW | 42% |
| Sunday | 81°F | Scattered Rain Showers then Partly Sunny | 5 to 9 mph N | 38% |
| Sunday Night | 71°F | Chance Rain Showers | 8 mph NNW | 57% |
| Monday | 81°F | Scattered Rain Showers | 8 mph NNW | 51% |
| Monday Night | 72°F | Occasional Rain Showers | 6 mph NNW | 78% |
| Tuesday | 80°F | Occasional Rain Showers | 3 to 7 mph N | 85% |
| Tuesday Night | 72°F | Occasional Rain Showers | 3 mph NNW | 88% |
| Wednesday | 80°F | Occasional Rain Showers | 6 mph N | 81% |
| Wednesday Night | 72°F | Occasional Rain Showers | 1 to 5 mph NNW | 81% |
| Thursday | 79°F | Occasional Rain Showers | 1 to 5 mph N | 79% |
| Thursday Night | 71°F | Occasional Rain Showers | 5 to 12 mph NW | 79% |
Forecast source: National Weather Service (api.weather.gov) for Keaau (19.623, -155.048). Updated through the day.
Growing snapshot for Keaau
Growing season
365 days
More local growing data for Keaau: nearby ZIP 96749 weather · frost dates · planting calendar · Hawaii frost dates
Nearby towns & communities
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Black Sands
Captain Cook
Discovery Harbour
Eden Roc
Fern Acres
Fern Forest
Halaula
Hawaiian Acres
Hawaiian Beaches
Hawaiian Ocean View
Hawaiian Paradise Park
Hawi
Hilo
Holualoa
Honalo
Honaunau-Napoopoo
Honokaa
Honomu
Kahaluu-Keauhou
Kailua
Kaiminani
Kalapana
Kaloko
Kamaili
Kapaau
Kealakekua
Kukuihaele
Kurtistown
Laupahoehoe
Climate data from the nearest NOAA station, Hilo 5 S, Hi (6.3 mi from Keaau). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.