Cheyenne, Wyoming Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Cheyenne weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——91°54°—
- MondayJul 6Overcast——93°58°+2°
- TuesdayJul 7Light Drizzle68%0.01″90°61°-3°
- WednesdayJul 8Drizzle75%0.03″91°59°+1°
- ThursdayJul 9Overcast57%—92°59°+1°
- FridayJul 10Overcast18%—92°58°0°
- SaturdayJul 11Clear——99°63°+7°
AQI 48 (Good), driven by Ozone. AQI up 9 over the last 6 hours (gradual rise). Ozone at AQI 100 now. With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 145 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 100 now. With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 145 around 1 PM.
- Present
- AQI 100
- UV peak
- 10.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 145
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
- 11:13 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Cheyenne at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 82001, 82007, 82009
16-Day Forecast — Cheyenne
- Sun91°54°1%
- Mon93°58°6%
- Tue90°61°68%
- Wed91°59°75%
- Thu92°59°57%
- Fri92°58°18%
- Sat99°63°3%
- Sun100°66°1%
- Mon103°69°4%
- Tue106°68°11%
- Wed96°69°22%
- Thu96°63°37%
- Fri96°69°39%
- Sat99°68°39%
- Sun91°63°35%
- Mon93°65°30%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Cheyenne
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 — Cheyenne
SPC includes Cheyenne in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- 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 Cheyenne
- 82009
- 82001
- 82007
- 82002
- 82003