Hartsel, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Hartsel weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——77°48°—
- SundayJul 5Overcast——80°48°+3°
- MondayJul 6Overcast10%—82°50°+2°
- TuesdayJul 7Light Rain83%0.09″79°50°-3°
- WednesdayJul 8Light Drizzle49%—80°49°+1°
- ThursdayJul 9Overcast37%—83°49°+3°
- FridayJul 10Overcast31%—82°49°-1°
AQI 88 (Moderate), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 49 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 8 around 1 PM.
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 49 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 8 around 1 PM.
- Present
- AQI 49
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 7.1 µg/m³ (AQI 39) with a 0.87 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:21 PM
- Moonset
- 11:18 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Hartsel at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 80449
16-Day Forecast — Hartsel
- Sat77°48°6%
- Sun80°48°8%
- Mon82°50°10%
- Tue79°50°83%
- Wed80°49°49%
- Thu83°49°37%
- Fri82°49°31%
- Sat82°47°9%
- Sun87°49°5%
- Mon91°48°12%
- Tue90°52°28%
- Wed88°54°50%
- Thu90°55°56%
- Fri90°52°69%
- Sat83°53°68%
- Sun81°53°68%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Hartsel
SPC includes Hartsel in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Hartsel
- 80440
- 80449