Harman US

Knowles, OK Weather & Growing Conditions

Overnight
74°F
Clear
Clear. Low around 74, with temperatures rising to around 78 overnight. South southwest wind around 20 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 74°F Clear 20 mph SSW 1%
Saturday 98°F Sunny 15 to 20 mph SW 6%
Saturday Night 64°F Chance Showers And Thunderstorms 5 to 10 mph SSW 27%
Sunday 84°F Slight Chance Rain Showers then Partly Sunny 10 to 15 mph NNE 24%
Sunday Night 60°F Partly Cloudy then Slight Chance Rain Showers 10 mph NNE 20%
Monday 79°F Slight Chance Rain Showers then Mostly Sunny 10 mph NE 20%
Monday Night 57°F Partly Cloudy 10 mph E 11%
Tuesday 76°F Partly Sunny 10 mph E 14%
Tuesday Night 57°F Mostly Cloudy 10 mph ESE 7%
Wednesday 79°F Chance Rain Showers 10 mph SE 26%
Wednesday Night 61°F Slight Chance Showers And Thunderstorms 10 mph SE 47%
Thursday 85°F Chance Showers And Thunderstorms 10 mph SSE 47%
Thursday Night 62°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 to 10 mph SSE 51%
Friday 83°F Chance Rain Showers 5 to 10 mph SSE 51%

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

Growing snapshot for Knowles, OK

Last spring frost
Apr 13
First fall frost
Oct 28
Growing season
196 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Gate, Ok (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.