Keaau, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keaau, a community in Hawaii County, Hawaii.
Today
79°F
Scattered Rain Showers
Scattered rain showers. Partly sunny, with a high near 79. Northeast wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Keaau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Scattered Rain Showers | 6 to 9 mph NE | 45% |
| Tonight | 68°F | Rain Showers | 7 mph NW | 83% |
| Wednesday | 78°F | Rain Showers Likely | 6 mph N | 68% |
| Wednesday Night | 68°F | Rain Showers | 2 to 6 mph E | 82% |
| Thursday | 78°F | Rain Showers Likely | 7 mph SE | 61% |
| Thursday Night | 69°F | Rain Showers Likely | 6 mph WSW | 74% |
| Friday | 78°F | Rain Showers Likely | 5 to 9 mph ENE | 71% |
| Friday Night | 70°F | Rain Showers | 9 mph NNE | 83% |
| Saturday | 78°F | Rain Showers Likely | 7 to 10 mph NNE | 70% |
| Saturday Night | 69°F | Rain Showers Likely | 8 mph WNW | 61% |
| Sunday | 78°F | Scattered Rain Showers | 8 to 12 mph NNE | 53% |
| Sunday Night | 68°F | Rain Showers Likely | 6 to 9 mph ENE | 59% |
| Monday | 78°F | Scattered Rain Showers | 6 to 10 mph ENE | 51% |
| Monday Night | 67°F | Scattered Rain Showers | 8 mph NNE | 52% |
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
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
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 Nov 3, 2026.