Stillwater, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stillwater, a city in Payne County, Oklahoma.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 101. South southwest wind 8 to 12 mph.
7-day forecast for Stillwater
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 8 to 12 mph SSW | 8% |
| Tonight | 73°F | Partly Cloudy then Chance Showers And Thunderstorms | 7 to 10 mph S | 27% |
| Sunday | 91°F | Showers And Thunderstorms | 9 mph SSE | 81% |
| Sunday Night | 65°F | Showers And Thunderstorms Likely | 6 mph NE | 62% |
| Monday | 82°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 9 mph NNE | 23% |
| Monday Night | 60°F | Partly Cloudy | 8 mph NE | 10% |
| Tuesday | 77°F | Mostly Sunny | 6 to 9 mph NE | 10% |
| Tuesday Night | 56°F | Partly Cloudy | 5 to 8 mph NE | 3% |
| Wednesday | 79°F | Mostly Sunny | 6 mph ENE | 6% |
| Wednesday Night | 58°F | Partly Cloudy | 5 mph ENE | 7% |
| Thursday | 82°F | Slight Chance Rain Showers | 5 mph ESE | 24% |
| Thursday Night | 62°F | Mostly Cloudy | 5 mph E | 13% |
| Friday | 83°F | Slight Chance Rain Showers | 6 mph ESE | 20% |
| Friday Night | 63°F | Mostly Cloudy | 5 mph ESE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Stillwater (36.131, -97.074). Updated through the day.
Growing snapshot for Stillwater
Last spring frost
Apr 5
First fall frost
Oct 30
Growing season
206 days
Hardiness zone
7a
More local growing data for Stillwater: nearby ZIP 74078 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Stillwater 2 W, Ok (0.8 mi from Stillwater). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.