Collbran, Colorado Weather
Thunderheads build by noon. Day 89 of spring. Read this microseason across nine climate regions →
Collbran weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast12%—86°56°—
- TuesdayJun 16Overcast——88°61°+2°
- WednesdayJun 17Clear——93°62°+5°
- ThursdayJun 18Overcast——91°55°-2°
- FridayJun 19Overcast——93°57°+2°
- SaturdayJun 20Overcast——88°62°-5°
- SundayJun 21Overcast——85°54°-3°
AQI 51 (Moderate), driven by Ozone. AQI up 12 over the last 6 hours (gradual rise). Ozone at AQI 56 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 56 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 56
- UV peak
- 1.3 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 56
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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 7:02 AM
- Moonset
- 10:00 PM
- In sign
- ♋︎ Cancer
Thunderheads build by noon
Collbran at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Collbran
- Mon86°56°12%
- Tue88°61°1%
- Wed93°62°0%
- Thu91°55°0%
- Fri93°57°2%
- Sat88°62°5%
- Sun85°54°2%
- Mon88°55°2%
- Tue92°57°1%
- Wed94°60°1%
- Thu94°59°2%
- Fri94°62°9%
- Sat94°60°10%
- Sun92°57°16%
- Mon99°61°13%
- Tue102°66°13%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Warm-season window is open
As of June 16, 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 Collbran
- 81624