Foster, OK Weather & Growing Conditions
Today
103°F
Sunny
Sunny, with a high near 103. Heat index values as high as 102. South wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 103°F | Sunny | 6 mph S | 2% |
| Tonight | 76°F | Mostly Clear | 7 mph S | 2% |
| Wednesday | 102°F | Sunny | 6 to 9 mph SSW | 2% |
| Wednesday Night | 77°F | Mostly Clear | 8 mph S | 2% |
| Thursday | 101°F | Mostly Sunny | 8 mph SSW | 11% |
| Thursday Night | 75°F | Partly Cloudy | 7 mph SSE | 12% |
| Friday | 98°F | Chance Showers And Thunderstorms | 7 mph S | 29% |
| Friday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 5 to 8 mph SSE | 29% |
| Saturday | 98°F | Sunny | 7 mph S | 9% |
| Saturday Night | 74°F | Mostly Clear | 8 mph S | 4% |
| Sunday | 98°F | Sunny | 6 to 9 mph S | 2% |
| Sunday Night | 75°F | Mostly Clear | 7 to 10 mph SSE | 1% |
| Monday | 98°F | Sunny | 8 to 12 mph S | 2% |
| Monday Night | 75°F | Mostly Clear | 8 to 12 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Foster, OK
Last spring frost
Mar 28
First fall frost
Nov 7
Growing season
227 days
Hardiness zone
7b
Explore more for Foster, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Velma 7Nw Mesonet, Ok (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.