Hilo, Hawaii Weather
First trades stir the ceiba canopy. Day 77 of spring. Read this microseason across nine climate regions →
Hilo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Rain100%0.20″77°66°—
- FridayJun 5Light Rain100%0.17″76°67°-1°
- SaturdayJun 6Drizzle100%0.05″78°68°+2°
- SundayJun 7Light Drizzle86%0.02″79°64°+1°
- MondayJun 8Light Drizzle88%0.02″78°63°-1°
- TuesdayJun 9Light Drizzle96%0.01″79°65°+1°
- WednesdayJun 10Light Drizzle88%0.07″76°65°-3°
AQI 28 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:05 AM
- Moonset
- 7:20 PM
- In sign
- ♒︎ Aquarius
First trades stir the ceiba canopy
Hilo at a glance
- Today vs. normal: 20°F below the seasonal normal for this latitude
- Last frost: December 15 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.