Stillwater, OK Weather & Growing Conditions
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 8 mph S | 0% |
| Saturday | 99°F | Sunny | 7 to 12 mph SSW | 2% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms | 10 mph S | 38% |
| Sunday | 93°F | Showers And Thunderstorms Likely | 8 mph S | 68% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph NE | 67% |
| Monday | 84°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 8 mph NNE | 34% |
| Monday Night | 60°F | Partly Cloudy | 7 mph NE | 6% |
| Tuesday | 80°F | Partly Sunny | 8 mph NE | 5% |
| Tuesday Night | 57°F | Partly Cloudy | 7 mph NE | 3% |
| Wednesday | 81°F | Mostly Sunny | 6 mph ENE | 11% |
| Wednesday Night | 60°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph ENE | 16% |
| Thursday | 82°F | Chance Rain Showers | 5 mph E | 25% |
| Thursday Night | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph E | 17% |
| Friday | 83°F | Slight Chance Rain Showers | 6 mph SE | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Stillwater, OK
Last spring frost
Apr 5
First fall frost
Oct 30
Growing season
206 days
Hardiness zone
7a
Explore more for Stillwater, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Stillwater 2 W, Ok (0.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.