Stillwater, OK Weather & Growing Conditions
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 9 mph S | 0% |
| Saturday | 98°F | Sunny | 8 to 13 mph SSW | 2% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph SSE | 39% |
| Sunday | 92°F | Showers And Thunderstorms Likely | 9 mph S | 67% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph NE | 67% |
| Monday | 83°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 6 to 9 mph NNE | 35% |
| Monday Night | 60°F | Partly Cloudy | 8 mph NE | 6% |
| Tuesday | 79°F | Partly Sunny | 9 mph NE | 5% |
| Tuesday Night | 57°F | Partly Cloudy | 8 mph ENE | 3% |
| Wednesday | 80°F | Mostly Sunny | 7 mph ENE | 10% |
| Wednesday Night | 59°F | Partly Cloudy then Slight Chance Rain Showers | 6 mph ENE | 17% |
| Thursday | 82°F | Chance Rain Showers | 6 mph E | 26% |
| Thursday Night | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph E | 19% |
| Friday | 83°F | Slight Chance Rain Showers | 6 mph ESE | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Stillwater, OK
Last spring frost
Apr 3
First fall frost
Oct 31
Growing season
209 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 Rgnl Ap, Ok (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.