Helena, OK Weather & Growing Conditions
Overnight
73°F
Mostly Clear
Mostly clear, with a low around 73. South wind around 13 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Mostly Clear | 13 mph S | 0% |
| Tuesday | 105°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 13 mph S | 12% |
| Tuesday Night | 75°F | Slight Chance Showers And Thunderstorms | 10 mph S | 12% |
| Wednesday | 103°F | Slight Chance Showers And Thunderstorms | 12 mph SW | 12% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms | 10 mph ENE | 14% |
| Thursday | 99°F | Chance Rain Showers then Chance Showers And Thunderstorms | 6 to 9 mph WNW | 25% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 9 mph SE | 49% |
| Friday | 100°F | Chance Showers And Thunderstorms | 8 to 12 mph SSE | 40% |
| Friday Night | 72°F | Mostly Clear | 10 mph SSE | 11% |
| Saturday | 101°F | Sunny | 8 to 12 mph S | 9% |
| Saturday Night | 74°F | Clear | 14 mph S | 2% |
| Sunday | 102°F | Sunny | 15 mph S | 1% |
| Sunday Night | 75°F | Clear | 15 mph S | 0% |
| Monday | 102°F | Sunny | 17 mph SSW | 0% |
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 Aug 4, 2026.