Weingarten, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Weingarten, a community in Ste. Genevieve County, Missouri.
Today
97°F
Mostly Sunny
Mostly sunny, with a high near 97. Heat index values as high as 100. Southwest wind 3 to 7 mph.
7-day forecast for Weingarten
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Mostly Sunny | 3 to 7 mph SW | 2% |
| Tonight | 72°F | Partly Cloudy | 6 mph SW | 3% |
| Sunday | 94°F | Slight Chance Rain Showers then Partly Sunny | 5 mph W | 16% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph N | 49% |
| Monday | 81°F | Showers And Thunderstorms Likely | 3 to 8 mph N | 66% |
| Monday Night | 59°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 to 8 mph N | 66% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 7 to 10 mph N | 26% |
| Tuesday Night | 53°F | Mostly Cloudy | 5 to 10 mph N | 10% |
| Wednesday | 73°F | Mostly Sunny | 8 mph N | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 7 mph N | 1% |
| Thursday | 75°F | Mostly Sunny | 2 to 7 mph N | 3% |
| Thursday Night | 55°F | Partly Cloudy | 2 to 6 mph N | 4% |
| Friday | 77°F | Mostly Sunny | 2 to 7 mph NE | 7% |
| Friday Night | 56°F | Partly Cloudy | 2 to 6 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Weingarten (37.889, -90.217). Updated through the day.
Growing snapshot for Weingarten
Last spring frost
Apr 8
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
6b
More local growing data for Weingarten: nearby ZIP 63670 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kaskaskia Rvr Navigation Lock, Il (13.1 mi from Weingarten). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.