Hartline, Washington Weather
Pikas hayfeeding in granite peaks. Day 78 of spring. Read this microseason across nine climate regions →
Hartline weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——73°53°—
- FridayJun 5Overcast——69°48°-4°
- SaturdayJun 6Overcast——62°43°-7°
- SundayJun 7Overcast——64°39°+2°
- MondayJun 8Overcast——68°43°+4°
- TuesdayJun 9Overcast32%—68°53°0°
- WednesdayJun 10Partly Cloudy15%—77°46°+9°
AQI 43 (Good), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 42 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 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 42 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 by mid-afternoon.
- Present
- AQI 42
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
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).
The higher the clouds, the finer the weather.
- Moonrise
- 7:22 AM
- Moonset
- 4:48 PM
- In sign
- ♒︎ Aquarius
Pikas hayfeeding in granite peaks
Hartline at a glance
- Today vs. normal: 65°F — typical for the season
- Last frost: June 1 (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 5, 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.