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Centennial, WY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Centennial, a community in Albany County, Wyoming.

This Afternoon
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 68, with temperatures falling to around 63 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Centennial

WhenTempForecastWindPrecip
This Afternoon 68°F Chance Showers And Thunderstorms 5 to 10 mph SW 48%
Tonight 46°F Chance Showers And Thunderstorms 5 mph SW 40%
Saturday 60°F Rain Showers Likely then Slight Chance Showers And Thunderstorms 5 to 15 mph WSW 62%
Saturday Night 40°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph WSW 21%
Sunday 56°F Slight Chance Rain Showers then Mostly Sunny 5 to 10 mph W 20%
Sunday Night 37°F Mostly Clear 0 to 10 mph W 1%
Monday 63°F Sunny 0 to 10 mph W 3%
Monday Night 40°F Mostly Clear 0 to 5 mph WSW 0%
Tuesday 67°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph WSW 20%
Tuesday Night 44°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SW 17%
Wednesday 66°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 0 to 10 mph W 29%
Wednesday Night 43°F Partly Cloudy 0 to 5 mph W 5%
Thursday 66°F Mostly Sunny 0 to 10 mph SSE 13%
Thursday Night 45°F Mostly Cloudy 0 to 5 mph S 13%

Forecast source: National Weather Service (api.weather.gov) for Centennial (41.307, -106.138). Updated through the day.

Growing snapshot for Centennial

Last spring frost
Jun 2
First fall frost
Sep 19
Growing season
106 days
Hardiness zone
5a

More local growing data for Centennial: nearby ZIP 82055 weather · frost dates · planting calendar · Wyoming frost dates

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Climate data from the nearest NOAA station, Centennial 1Ne, Wy (7.7 mi from Centennial). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.