Centennial, Wyoming Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Centennial weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——78°49°—
- SundayJul 5Overcast——82°57°+4°
- MondayJul 6Overcast——85°59°+3°
- TuesdayJul 7Overcast50%—86°56°+1°
- WednesdayJul 8Overcast39%—86°52°0°
- ThursdayJul 9Overcast35%—82°54°-4°
- FridayJul 10Partly Cloudy——83°48°+1°
AQI 59 (Moderate), driven by Ozone. AQI down 13 over the last 6 hours (gradual decline). Ozone at AQI 41. Overcast through the UV peak window (cloud cover ~68%) — 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 41. Overcast through the UV peak window (cloud cover ~68%) — afternoon ozone should stay flat.
- Present
- AQI 41
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
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
- 11:24 PM
- Moonset
- 11:19 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Centennial at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 82055
16-Day Forecast — Centennial
- Sat78°49°2%
- Sun82°57°1%
- Mon85°59°5%
- Tue86°56°50%
- Wed86°52°39%
- Thu82°54°35%
- Fri83°48°9%
- Sat88°49°2%
- Sun94°57°7%
- Mon95°59°12%
- Tue95°56°27%
- Wed97°62°30%
- Thu94°62°33%
- Fri91°62°33%
- Sat90°61°35%
- Sun84°58°29%
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 — Centennial
SPC includes Centennial in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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 Centennial
- 82055