Harman US

Alva, OK Weather & Growing Conditions

Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 69°F Chance Showers And Thunderstorms 8 to 14 mph E 45%
Sunday 88°F Slight Chance Rain Showers then Mostly Sunny 9 to 14 mph NNE 17%
Sunday Night 62°F Partly Cloudy 9 to 15 mph NNE 19%
Monday 83°F Partly Sunny 12 mph NNE 19%
Monday Night 59°F Partly Cloudy 10 mph NE 2%
Tuesday 81°F Mostly Sunny 9 mph ENE 2%
Tuesday Night 58°F Partly Cloudy 8 to 12 mph E 2%
Wednesday 81°F Mostly Sunny 8 mph ESE 10%
Wednesday Night 61°F Mostly Cloudy then Chance Showers And Thunderstorms 7 to 10 mph ESE 32%
Thursday 87°F Chance Showers And Thunderstorms 6 to 9 mph SE 46%
Thursday Night 65°F Chance Showers And Thunderstorms 8 mph ESE 44%
Friday 88°F Chance Showers And Thunderstorms 5 to 9 mph ESE 44%
Friday Night 67°F Mostly Cloudy then Chance Showers And Thunderstorms 9 mph ESE 28%
Saturday 91°F Chance Showers And Thunderstorms 7 to 12 mph SE 28%

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

Growing snapshot for Alva, OK

Last spring frost
Apr 10
First fall frost
Oct 28
Growing season
199 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Alva 1W, Ok (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.