Centennial, WY Weather & Growing Conditions
Today
64°F
Areas Of Smoke then Sunny
Areas of smoke before noon. Sunny. High near 64, with temperatures falling to around 62 in the afternoon. West southwest wind 10 to 15 mph, with gusts as high as 30 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Areas Of Smoke then Sunny | 10 to 15 mph WSW | 2% |
| Tonight | 42°F | Mostly Clear | 5 to 15 mph WNW | 1% |
| Wednesday | 64°F | Sunny | 10 to 20 mph WNW | 0% |
| Wednesday Night | 43°F | Mostly Clear | 5 to 20 mph WSW | 0% |
| Thursday | 67°F | Sunny | 10 to 20 mph W | 1% |
| Thursday Night | 46°F | Mostly Clear | 5 to 20 mph WSW | 0% |
| Friday | 70°F | Sunny | 10 to 15 mph W | 0% |
| Friday Night | 49°F | Mostly Clear | 5 to 15 mph WSW | 0% |
| Saturday | 71°F | Sunny | 10 to 20 mph W | 0% |
| Saturday Night | 50°F | Partly Cloudy | 5 to 15 mph WSW | 0% |
| Sunday | 71°F | Mostly Sunny | 10 to 15 mph WSW | 7% |
| Sunday Night | 50°F | Mostly Cloudy | 10 to 15 mph SW | 8% |
| Monday | 69°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 10 to 15 mph WSW | 27% |
| Monday Night | 48°F | Chance Showers And Thunderstorms then Mostly Cloudy | 10 to 15 mph SW | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Centennial, WY
Last spring frost
Jun 2
First fall frost
Sep 19
Growing season
106 days
Hardiness zone
5a
Explore more for Centennial, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Centennial 1Ne, Wy (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.