Foster, OK Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 99. South southwest wind 7 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 7 to 10 mph SSW | 0% |
| Tonight | 74°F | Mostly Clear | 8 mph S | 2% |
| Sunday | 96°F | Showers And Thunderstorms Likely | 7 to 10 mph S | 70% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 2 to 6 mph ENE | 70% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph NNE | 40% |
| Monday Night | 63°F | Partly Cloudy then Slight Chance Rain Showers | 7 mph NNE | 24% |
| Tuesday | 83°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph NE | 24% |
| Tuesday Night | 59°F | Partly Cloudy | 5 to 8 mph NE | 6% |
| Wednesday | 85°F | Mostly Sunny | 6 mph ENE | 13% |
| Wednesday Night | 61°F | Partly Cloudy | 3 mph ENE | 9% |
| Thursday | 87°F | Mostly Sunny | 3 mph SE | 13% |
| Thursday Night | 64°F | Mostly Cloudy | 3 mph ENE | 8% |
| Friday | 87°F | Partly Sunny | 3 mph ESE | 10% |
| Friday Night | 64°F | Mostly Cloudy | 3 mph E | 9% |
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 Sep 19, 2026.