Foster, MO Weather & Growing Conditions
This Afternoon
68°F
Chance Rain Showers
A chance of rain showers after 3pm. Mostly cloudy. High near 68, with temperatures falling to around 61 in the afternoon. West southwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Rain Showers | 16 mph WSW | 32% |
| Tonight | 46°F | Patchy Drizzle | 8 to 13 mph WNW | 20% |
| Wednesday | 61°F | Partly Sunny | 6 to 12 mph W | 4% |
| Wednesday Night | 39°F | Clear | 5 mph W | 1% |
| Thursday | 61°F | Mostly Sunny then Slight Chance Rain Showers | 2 to 7 mph WNW | 21% |
| Thursday Night | 39°F | Partly Cloudy | 3 mph NNW | 3% |
| Friday | 58°F | Partly Sunny | 3 to 7 mph N | 0% |
| Friday Night | 37°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 60°F | Partly Sunny | 2 mph WNW | 0% |
| Saturday Night | 36°F | Mostly Clear | 1 mph WNW | 5% |
| Sunday | 65°F | Sunny | 1 to 5 mph W | 5% |
| Sunday Night | 38°F | Mostly Clear | 3 mph SW | 0% |
| Monday | 69°F | Sunny | 3 to 9 mph SSW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Foster, MO
Last spring frost
Apr 12
First fall frost
Oct 23
Growing season
192 days
Hardiness zone
6b
Explore more for Foster, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Butler 4W, Mo (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.