Armstrong, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Armstrong, a town in Bryan County, Oklahoma.
Overnight
49°F
Mostly Clear
Mostly clear, with a low around 49. West northwest wind around 2 mph.
7-day forecast for Armstrong
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Clear | 2 mph WNW | 0% |
| Wednesday | 72°F | Sunny | 5 mph WNW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 1 mph SSW | 0% |
| Thursday | 76°F | Sunny | 1 to 8 mph SSW | 12% |
| Thursday Night | 49°F | Partly Cloudy | 8 mph N | 11% |
| Friday | 69°F | Sunny | 7 to 10 mph N | 0% |
| Friday Night | 44°F | Partly Cloudy | 2 to 6 mph N | 0% |
| Saturday | 66°F | Partly Sunny | 5 mph NNE | 1% |
| Saturday Night | 43°F | Slight Chance Rain Showers | 2 mph N | 15% |
| Sunday | 68°F | Mostly Sunny | 3 mph N | 0% |
| Sunday Night | 42°F | Mostly Clear | 0 mph | 0% |
| Monday | 71°F | Sunny | 0 to 3 mph SSW | 2% |
| Monday Night | 44°F | Clear | 1 mph SSW | 1% |
| Tuesday | 74°F | Sunny | 0 to 5 mph SSW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Armstrong (34.053, -96.345). Updated through the day.
Growing snapshot for Armstrong
Last spring frost
Mar 31
First fall frost
Nov 5
Growing season
221 days
Hardiness zone
8a
More local growing data for Armstrong: nearby ZIP 74701 weather · frost dates · planting calendar · Oklahoma frost dates
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Climate data from the nearest NOAA station, Durant, Ok (0.9 mi from Armstrong). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.