Grand Junction, Colorado Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Grand Junction weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast10%—93°63°—
- TuesdayJun 16Overcast——95°62°+2°
- WednesdayJun 17Clear——98°68°+3°
- ThursdayJun 18Overcast——96°66°-2°
- FridayJun 19Overcast——100°68°+4°
- SaturdayJun 20Overcast16%—96°73°-4°
- SundayJun 21Partly Cloudy——93°67°-3°
AQI 39 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM2.5 at 10.2 µg/m³ (AQI 53) with a 0.68 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 10.2 µg/m³ (AQI 53) with a 0.68 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.68
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 5:54 AM
- Moonset
- 9:01 PM
- In sign
- ♊︎ Gemini
Paintbrush crowns the ridges
Grand Junction at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Grand Junction
- Mon93°63°10%
- Tue95°62°1%
- Wed98°68°0%
- Thu96°66°0%
- Fri100°68°2%
- Sat96°73°16%
- Sun93°67°3%
- Mon95°64°1%
- Tue100°68°1%
- Wed100°71°1%
- Thu100°72°2%
- Fri95°76°9%
- Sat96°69°10%
- Sun91°66°2%
- Mon95°71°6%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Grand Junction
Right now in the garden
Warm-season window is open
As of June 15, 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.
ZIP codes in Grand Junction
- 81503
- 81506
- 81507
- 81505
- 81504
- 81501
- 81502