Harman US

Copan, OK Weather & Growing Conditions

Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 74°F Mostly Clear 5 mph S 0%
Saturday 98°F Sunny 5 to 15 mph S 1%
Saturday Night 71°F Chance Showers And Thunderstorms 5 to 10 mph S 38%
Sunday 88°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph SE 62%
Sunday Night 65°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph N 66%
Monday 80°F Showers And Thunderstorms Likely 5 to 10 mph N 59%
Monday Night 58°F Partly Cloudy 5 to 10 mph NE 5%
Tuesday 76°F Mostly Sunny 10 mph NE 5%
Tuesday Night 54°F Mostly Clear 5 to 10 mph NE 1%
Wednesday 78°F Mostly Sunny 5 mph NE 3%
Wednesday Night 57°F Partly Cloudy 5 mph E 4%
Thursday 80°F Slight Chance Rain Showers 5 mph E 16%
Thursday Night 60°F Mostly Cloudy then Slight Chance Rain Showers 5 mph E 15%
Friday 82°F Chance Rain Showers 5 mph E 25%

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

Growing snapshot for Copan, OK

Last spring frost
Apr 12
First fall frost
Oct 21
Growing season
192 days
Hardiness zone
7a

Explore more for Copan, OK: full frost dates · planting calendar · Oklahoma frost dates

Climate data from the nearest NOAA station, Bartlesville F P Fld, Ok (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.