Niangua, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Niangua, a city in Webster County, Missouri.
Tonight
71°F
Mostly Clear
Mostly clear. Low around 71, with temperatures rising to around 73 overnight. South wind 3 to 7 mph.
7-day forecast for Niangua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear | 3 to 7 mph S | 3% |
| Saturday | 98°F | Sunny | 7 to 12 mph SW | 1% |
| Saturday Night | 72°F | Partly Cloudy | 9 mph SW | 1% |
| Sunday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 9 mph W | 16% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph NE | 69% |
| Monday | 83°F | Showers And Thunderstorms Likely | 3 to 9 mph N | 69% |
| Monday Night | 60°F | Showers And Thunderstorms Likely | 6 to 10 mph N | 61% |
| Tuesday | 75°F | Slight Chance Rain Showers then Partly Sunny | 7 to 10 mph N | 17% |
| Tuesday Night | 54°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 76°F | Mostly Sunny | 5 to 8 mph NE | 0% |
| Wednesday Night | 54°F | Mostly Clear | 2 to 8 mph NE | 1% |
| Thursday | 78°F | Mostly Sunny | 2 to 7 mph NE | 5% |
| Thursday Night | 56°F | Partly Cloudy | 6 mph NE | 4% |
| Friday | 79°F | Mostly Sunny | 3 to 7 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov) for Niangua (37.389, -92.830). Updated through the day.
Growing snapshot for Niangua
Last spring frost
Apr 15
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
6b
More local growing data for Niangua: nearby ZIP 65713 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grovespring 1Ne, Mo (8 mi from Niangua). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.