Harman US

Opal, WY Weather & Growing Conditions

Overnight
44°F
Mostly Cloudy
Mostly cloudy. Low around 44, with temperatures rising to around 47 overnight. Northwest wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 44°F Mostly Cloudy 6 mph NW 11%
Saturday 62°F Mostly Sunny then Slight Chance Showers And Thunderstorms 6 to 14 mph WNW 19%
Saturday Night 31°F Partly Cloudy 6 to 14 mph WNW 7%
Sunday 64°F Sunny 6 to 12 mph W 0%
Sunday Night 34°F Mostly Clear 3 to 12 mph NNW 0%
Monday 68°F Sunny 0 to 5 mph E 0%
Monday Night 38°F Partly Cloudy 0 to 3 mph N 1%
Tuesday 68°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 mph ENE 14%
Tuesday Night 38°F Chance Showers And Thunderstorms 6 mph WSW 36%
Wednesday 70°F Mostly Sunny then Slight Chance Showers And Thunderstorms 6 mph W 10%
Wednesday Night 37°F Partly Cloudy 5 mph W 2%
Thursday 72°F Sunny 3 mph WNW 2%
Thursday Night 39°F Partly Cloudy 3 mph WSW 3%
Friday 74°F Mostly Sunny 5 mph SE 6%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Opal, WY

Growing season
66 days
Hardiness zone
4b

Explore more for Opal, WY: full frost dates · planting calendar · Wyoming frost dates

Climate data from the nearest NOAA station, Kemmerer 2N, Wy (11.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.