Hermiston, Oregon Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Hermiston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——80°55°—
- FridayJun 5Overcast——72°54°-8°
- SaturdayJun 6Overcast——69°50°-3°
- SundayJun 7Overcast——74°50°+5°
- MondayJun 8Light Drizzle12%0.04″74°50°0°
- TuesdayJun 9Light Drizzle27%0.02″68°50°-6°
- WednesdayJun 10Drizzle16%0.13″66°55°-2°
Ozone at AQI 32 now. AQI down 8 over the last 6 hours (steady decline since this morning). With UV 6.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 by mid-afternoon.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 32 now. With UV 6.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 by mid-afternoon.
- Present
- AQI 32
- UV peak
- 6.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 19
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
- 6:50 AM
- Moonset
- 3:44 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Hermiston at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: May 21 (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
Warm-season window is open
As of June 4, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.