Spiro, OK Weather & Growing Conditions
Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. West wind 5 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Partly Cloudy | 5 to 15 mph W | 5% |
| Wednesday | 68°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 46°F | Mostly Clear | 0 mph | 0% |
| Thursday | 71°F | Mostly Sunny | 0 to 5 mph S | 10% |
| Thursday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph NW | 20% |
| Friday | 65°F | Mostly Sunny | 5 to 10 mph NW | 0% |
| Friday Night | 43°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 64°F | Partly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 41°F | Partly Cloudy | 0 mph | 4% |
| Sunday | 66°F | Sunny | 0 to 5 mph NW | 3% |
| Sunday Night | 40°F | Clear | 0 to 5 mph NW | 1% |
| Monday | 69°F | Sunny | 0 to 5 mph W | 0% |
| Monday Night | 43°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 73°F | Sunny | 0 to 5 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Spiro, OK
Last spring frost
Mar 25
First fall frost
Nov 6
Growing season
224 days
Hardiness zone
7b
Explore more for Spiro, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Ft Smith Rgnl Ap, Ar (15.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.