Julesburg, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Julesburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast35%—92°65°—
- SundayJul 5Overcast——95°61°+3°
- MondayJul 6Overcast15%—98°67°+3°
- TuesdayJul 7Showers62%0.32″100°69°+2°
- WednesdayJul 8Showers62%0.11″91°67°-9°
- ThursdayJul 9Light Drizzle38%—93°66°+2°
- FridayJul 10Thunderstorm33%—88°65°-5°
AQI 80 (Moderate), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 10.5 µg/m³ (AQI 54) with a 0.75 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 43 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 43
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 10.5 µg/m³ (AQI 54) with a 0.75 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- 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
- 11:08 PM
- Moonset
- 11:04 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Julesburg at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 80737
16-Day Forecast — Julesburg
- Sat92°65°35%
- Sun95°61°3%
- Mon98°67°15%
- Tue100°69°62%
- Wed91°67°62%
- Thu93°66°38%
- Fri88°65°33%
- Sat89°63°11%
- Sun92°68°2%
- Mon99°69°4%
- Tue100°70°8%
- Wed108°75°15%
- Thu108°78°16%
- Fri103°80°27%
- Sat105°77°29%
- Sun90°71°32%
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 — Julesburg
SPC has placed Julesburg in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Julesburg
- 80737