Foster, OK Weather & Growing Conditions
Tonight
72°F
Mostly Clear
Mostly clear, with a low around 72. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Mostly Clear | 5 mph S | 0% |
| Saturday | 99°F | Sunny | 5 to 9 mph SSW | 1% |
| Saturday Night | 73°F | Mostly Clear | 8 mph S | 10% |
| Sunday | 97°F | Slight Chance Showers And Thunderstorms | 8 mph S | 56% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 1 to 6 mph ESE | 70% |
| Monday | 90°F | Chance Rain Showers | 2 to 6 mph NNE | 48% |
| Monday Night | 63°F | Mostly Clear then Slight Chance Rain Showers | 6 mph NE | 16% |
| Tuesday | 85°F | Slight Chance Rain Showers then Mostly Sunny | 8 mph NE | 16% |
| Tuesday Night | 61°F | Partly Cloudy | 3 to 8 mph NE | 5% |
| Wednesday | 87°F | Mostly Sunny | 5 mph ENE | 14% |
| Wednesday Night | 62°F | Partly Cloudy | 3 mph ENE | 8% |
| Thursday | 88°F | Slight Chance Rain Showers | 5 mph E | 19% |
| Thursday Night | 64°F | Partly Cloudy | 5 mph ENE | 8% |
| Friday | 87°F | Partly Sunny | 5 mph ESE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Foster, OK
Last spring frost
Apr 5
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
7b
Explore more for Foster, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Pauls Valley 4 Wsw, Ok (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.