Pierce, Colorado Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Pierce weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——90°57°—
- SundayJul 5Overcast——94°57°+4°
- MondayJul 6Light Showers——98°61°+4°
- TuesdayJul 7Drizzle33%—96°60°-2°
- WednesdayJul 8Light Showers57%0.07″94°61°-2°
- ThursdayJul 9Overcast23%—98°58°+4°
- FridayJul 10Overcast——102°62°+4°
AQI 45 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.78 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 during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 31 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 19 around 1 PM.
- Present
- AQI 31
- UV peak
- 4.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 12.4 µg/m³ (AQI 57) with a 0.78 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:55 PM
- Moonset
- 10:07 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Pierce at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 80650
16-Day Forecast — Pierce
- Sat90°57°7%
- Sun94°57°3%
- Mon98°61°7%
- Tue96°60°33%
- Wed94°61°57%
- Thu98°58°23%
- Fri102°62°6%
- Sat98°60°5%
- Sun105°67°7%
- Mon105°69°9%
- Tue106°72°17%
- Wed92°63°42%
- Thu94°61°45%
- Fri93°61°45%
- Sat98°63°39%
- Sun99°65°42%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Pierce
SPC has placed Pierce in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Pierce
- 80650