Helena, OK Weather & Growing Conditions
Today
102°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 102. Heat index values as high as 104. South southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 102°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 14 to 17 mph SSW | 15% |
| Tonight | 72°F | Chance Showers And Thunderstorms | 9 to 14 mph S | 52% |
| Sunday | 93°F | Chance Showers And Thunderstorms | 8 mph ENE | 45% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 10 mph NNE | 45% |
| Monday | 83°F | Slight Chance Rain Showers then Mostly Sunny | 12 mph NNE | 15% |
| Monday Night | 59°F | Partly Cloudy | 10 mph NE | 6% |
| Tuesday | 79°F | Mostly Sunny | 9 mph NE | 8% |
| Tuesday Night | 56°F | Partly Cloudy | 9 mph ENE | 3% |
| Wednesday | 81°F | Mostly Sunny | 7 mph E | 8% |
| Wednesday Night | 60°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 7 mph ESE | 22% |
| Thursday | 85°F | Chance Showers And Thunderstorms | 7 mph SE | 37% |
| Thursday Night | 63°F | Chance Rain Showers | 7 mph SE | 31% |
| Friday | 85°F | Chance Rain Showers | 8 mph SE | 31% |
| Friday Night | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 8 mph ESE | 21% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Helena, OK
Last spring frost
Apr 9
First fall frost
Oct 31
Growing season
205 days
Hardiness zone
7a
Explore more for Helena, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Helena 1 Sse, Ok (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.