High Ridge, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for High Ridge, a community in Jefferson County, Missouri.
Overnight
73°F
Mostly Clear
Mostly clear, with a low around 73. South wind around 3 mph.
7-day forecast for High Ridge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Mostly Clear | 3 mph S | 3% |
| Saturday | 96°F | Mostly Sunny | 6 mph SW | 5% |
| Saturday Night | 73°F | Partly Cloudy | 2 to 6 mph SW | 5% |
| Sunday | 92°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph W | 31% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph N | 68% |
| Monday | 77°F | Showers And Thunderstorms Likely | 7 mph N | 68% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 8 mph N | 59% |
| Tuesday | 69°F | Slight Chance Rain Showers then Partly Sunny | 8 mph N | 22% |
| Tuesday Night | 54°F | Mostly Cloudy | 5 to 8 mph N | 3% |
| Wednesday | 72°F | Mostly Sunny | 7 mph N | 1% |
| Wednesday Night | 55°F | Partly Cloudy | 5 mph N | 0% |
| Thursday | 74°F | Mostly Sunny | 6 mph N | 1% |
| Thursday Night | 57°F | Partly Cloudy | 3 mph NE | 4% |
| Friday | 75°F | Partly Sunny | 6 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov) for High Ridge (38.461, -90.534). Updated through the day.
Growing snapshot for High Ridge
Last spring frost
Apr 12
First fall frost
Oct 23
Growing season
193 days
Hardiness zone
7a
More local growing data for High Ridge: nearby ZIP 63049 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Arnold
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Festus
Herculaneum
Hillsboro
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Kimmswick
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Olympian Village
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Peaceful Village
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Scotsdale
Summer Set
Climate data from the nearest NOAA station, St Louis Sprt Of S L Ap, Mo (14.2 mi from High Ridge). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.