Grand Junction, Colorado Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Grand Junction weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——92°60°—
- ThursdayJun 4Overcast——95°65°+3°
- FridayJun 5Overcast——96°64°+1°
- SaturdayJun 6Overcast——96°68°0°
- SundayJun 7Overcast——92°68°-4°
- MondayJun 8Mostly Clear——94°65°+2°
- TuesdayJun 9Overcast——96°66°+2°
Ozone at AQI 48. AQI up 10 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~71%) — afternoon ozone should stay flat.
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 48. Overcast through the UV peak window (cloud cover ~71%) — afternoon ozone should stay flat.
- Present
- AQI 48
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
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
- 5:42 AM
- Moonset
- 3:22 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Grand Junction at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 11 (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.