Armstrong, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Armstrong, a town in Bryan County, Oklahoma.
Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. Southeast wind around 6 mph.
7-day forecast for Armstrong
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 6 mph SE | 0% |
| Tuesday | 103°F | Sunny | 6 mph SSE | 0% |
| Tuesday Night | 77°F | Mostly Clear | 6 mph SSE | 1% |
| Wednesday | 103°F | Sunny | 3 to 8 mph SSW | 2% |
| Wednesday Night | 78°F | Mostly Clear | 5 to 8 mph SSE | 1% |
| Thursday | 102°F | Sunny | 8 mph SSW | 4% |
| Thursday Night | 77°F | Partly Cloudy | 7 mph SSE | 4% |
| Friday | 99°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph S | 17% |
| Friday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 to 8 mph SSE | 17% |
| Saturday | 99°F | Sunny | 3 to 7 mph S | 8% |
| Saturday Night | 76°F | Mostly Clear | 7 mph SSE | 8% |
| Sunday | 99°F | Sunny | 3 to 8 mph S | 4% |
| Sunday Night | 76°F | Mostly Clear | 8 mph SSE | 4% |
| Monday | 99°F | Sunny | 6 to 10 mph S | 2% |
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 Aug 4, 2026.