Blue Valley, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Blue Valley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——72°51°—
- SundayJul 5Overcast——74°55°+2°
- MondayJul 6Overcast11%—76°58°+2°
- TuesdayJul 7Drizzle88%0.05″78°53°+2°
- WednesdayJul 8Drizzle76%—78°53°0°
- ThursdayJul 9Overcast53%—80°50°+2°
- FridayJul 10Overcast30%—74°50°-6°
AQI 82 (Moderate), driven by Ozone. AQI up 5 over the last 6 hours (gradual rise). Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~84%) — afternoon ozone should stay flat.
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 47. Overcast through the UV peak window (cloud cover ~84%) — afternoon ozone should stay flat.
- Present
- AQI 47
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 5.8 µg/m³ (AQI 32) with a 0.85 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.85
- 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
- 11:21 PM
- Moonset
- 11:17 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Blue Valley at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Blue Valley
- Sat72°51°6%
- Sun74°55°3%
- Mon76°58°11%
- Tue78°53°88%
- Wed78°53°76%
- Thu80°50°53%
- Fri74°50°30%
- Sat78°49°5%
- Sun83°54°8%
- Mon90°57°15%
- Tue87°61°36%
- Wed90°61°47%
- Thu87°58°57%
- Fri83°56°55%
- Sat82°55°57%
- Sun77°52°56%
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 — Blue Valley
SPC includes Blue Valley 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 Blue Valley
- 80452