Leyner, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Leyner weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast13%—90°57°—
- SundayJul 5Overcast——96°58°+6°
- MondayJul 6Overcast——100°63°+4°
- TuesdayJul 7Drizzle42%—95°68°-5°
- WednesdayJul 8Drizzle54%0.03″96°66°+1°
- ThursdayJul 9Overcast36%—101°62°+5°
- FridayJul 10Light Drizzle19%0.05″88°62°-13°
AQI 94 (Moderate), driven by PM2.5. AQI up 19 in the last 6 hours — air quality is degrading. PM2.5 at 9.8 µg/m³, PM10 at 11.4 µg/m³ — typical background levels with no transport signature.
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 9.8 µg/m³, PM10 at 11.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.86
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:19 PM
- Moonset
- 11:15 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Leyner at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Leyner
- Sat90°57°13%
- Sun96°58°3%
- Mon100°63°4%
- Tue95°68°42%
- Wed96°66°54%
- Thu101°62°36%
- Fri88°62°19%
- Sat98°59°4%
- Sun102°66°3%
- Mon109°65°8%
- Tue106°69°21%
- Wed107°70°31%
- Thu105°76°39%
- Fri105°73°43%
- Sat105°71°44%
- Sun97°67°50%
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 — Leyner
SPC has placed Leyner in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Leyner
- 80026