Johnson, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johnson, a town in Pottawatomie County, Oklahoma.
Today
103°F
Sunny
Sunny, with a high near 103. Heat index values as high as 103. South wind around 9 mph.
7-day forecast for Johnson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 103°F | Sunny | 9 mph S | 0% |
| Tonight | 77°F | Mostly Clear | 8 mph SSE | 2% |
| Wednesday | 103°F | Sunny | 10 mph SSW | 5% |
| Wednesday Night | 77°F | Mostly Clear | 10 mph SSE | 5% |
| Thursday | 101°F | Mostly Sunny | 9 mph SSW | 14% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms | 9 mph SSE | 27% |
| Friday | 97°F | Chance Showers And Thunderstorms | 9 mph SSE | 35% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms | 10 mph SSE | 24% |
| Saturday | 97°F | Slight Chance Showers And Thunderstorms then Sunny | 9 mph S | 18% |
| Saturday Night | 75°F | Mostly Clear | 10 mph S | 5% |
| Sunday | 98°F | Sunny | 8 to 13 mph S | 1% |
| Sunday Night | 75°F | Clear | 12 mph S | 0% |
| Monday | 98°F | Sunny | 10 to 14 mph S | 0% |
| Monday Night | 76°F | Mostly Clear | 14 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Johnson (35.414, -96.849). Updated through the day.
Growing snapshot for Johnson
Last spring frost
Mar 30
First fall frost
Nov 5
Growing season
221 days
Hardiness zone
7b
More local growing data for Johnson: nearby ZIP 74804 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Asher
Bethel Acres
Brooksville
Dale
Macomb
Maud
McLoud
Pink
Shawnee
St. Louis
Tecumseh
Tribbey
Wanette
Climate data from the nearest NOAA station, Shawnee 3Nnw Mesonet, Ok (2.4 mi from Johnson). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.