Pierce, Colorado Weather
Paintbrush crowns the ridges. Day 88 of spring. Read this microseason across nine climate regions →
Pierce weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——81°46°—
- TuesdayJun 16Overcast——91°50°+10°
- WednesdayJun 17Overcast——95°59°+4°
- ThursdayJun 18Partly Cloudy——83°48°-12°
- FridayJun 19Overcast——97°51°+14°
- SaturdayJun 20Partly Cloudy40%—93°62°-4°
- SundayJun 21Drizzle51%0.01″88°55°-5°
AQI 74 (Moderate), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 13.9 µg/m³ (AQI 60) with a 0.91 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 13.9 µg/m³ (AQI 60) with a 0.91 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- 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
- 5:32 AM
- Moonset
- 8:52 PM
- In sign
- ♊︎ Gemini
Paintbrush crowns the ridges
Pierce at a glance
- Today vs. normal: 23°F below the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Pierce
- Mon81°46°4%
- Tue91°50°1%
- Wed95°59°0%
- Thu83°48°0%
- Fri97°51°2%
- Sat93°62°40%
- Sun88°55°51%
- Mon88°55°35%
- Tue96°58°17%
- Wed101°60°12%
- Thu101°63°17%
- Fri98°66°20%
- Sat99°63°20%
- Sun81°63°29%
- Mon82°57°36%
Forecast data from Open-Meteo (CC BY 4.0).
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 Pierce
- 80650