Centennial, WY Weather & Growing Conditions
Overnight
19°F
Mostly Cloudy
Mostly cloudy. Low around 19, with temperatures rising to around 22 overnight. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 19°F | Mostly Cloudy | 5 mph S | 1% |
| Wednesday | 31°F | Cloudy | 5 to 10 mph ESE | 5% |
| Wednesday Night | 18°F | Mostly Cloudy | 5 to 10 mph NE | 2% |
| Thursday | 38°F | Sunny | 5 mph WSW | 0% |
| Thursday Night | 23°F | Mostly Cloudy | 5 to 10 mph SW | 6% |
| Friday | 32°F | Chance Snow Showers | 10 to 15 mph W | 27% |
| Friday Night | 20°F | Mostly Clear | 10 to 15 mph WSW | 4% |
| Saturday | 36°F | Sunny | 5 to 15 mph W | 0% |
| Saturday Night | 24°F | Mostly Clear | 5 to 15 mph WSW | 0% |
| Sunday | 42°F | Sunny | 15 mph WSW | 0% |
| Sunday Night | 29°F | Mostly Clear | 15 to 20 mph WSW | 0% |
| Monday | 43°F | Mostly Sunny | 5 to 20 mph WSW | 0% |
| Monday Night | 28°F | Partly Cloudy | 5 to 15 mph WSW | 0% |
| Tuesday | 41°F | Mostly Sunny | 10 to 15 mph W | 2% |
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 Nov 4, 2026.