Greeley, Colorado Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Greeley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Partly Cloudy——85°50°—
- TuesdayJun 16Overcast——92°54°+7°
- WednesdayJun 17Mostly Clear——99°59°+7°
- ThursdayJun 18Clear——84°48°-15°
- FridayJun 19Overcast——97°48°+13°
- SaturdayJun 20Partly Cloudy29%—94°58°-3°
- SundayJun 21Drizzle44%0.02″91°54°-3°
AQI 61 (Moderate), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 17.8 µg/m³ (AQI 67) with a 0.86 fine-to-coarse ratio and 2 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
Ozone × UV × Sky
Ozone at AQI 33 now. With UV 6.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 around 1 PM.
- Present
- AQI 33
- UV peak
- 6.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 27
PM × Wind × Precip
PM2.5 at 17.8 µg/m³ (AQI 67) with a 0.86 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- Wind
- calm
- 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
- 5:33 AM
- Moonset
- 8:51 PM
- In sign
- ♋︎ Cancer
Paintbrush crowns the ridges
Greeley at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Greeley
- Mon85°50°2%
- Tue92°54°2%
- Wed99°59°0%
- Thu84°48°0%
- Fri97°48°2%
- Sat94°58°29%
- Sun91°54°44%
- Mon85°56°41%
- Tue91°56°30%
- Wed98°56°16%
- Thu102°64°14%
- Fri89°64°26%
- Sat83°57°38%
- Sun74°54°43%
- Mon87°57°42%
- Tue97°63°29%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Greeley
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 Greeley
- 80631
- 80634
- 80632
- 80633
- 80638
- 80639