Blackwater, MO Weather & Growing Conditions
Today
99°F
Mostly Sunny
Mostly sunny, with a high near 99. Heat index values as high as 102. Southwest wind around 12 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Mostly Sunny | 12 mph SW | 2% |
| Tonight | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 1 to 7 mph WSW | 40% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 1 to 6 mph NW | 49% |
| Sunday Night | 63°F | Showers And Thunderstorms | 5 mph NNE | 83% |
| Monday | 74°F | Showers And Thunderstorms | 5 to 8 mph NNE | 83% |
| Monday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 8 mph NNE | 23% |
| Tuesday | 71°F | Partly Sunny | 8 mph NNE | 9% |
| Tuesday Night | 50°F | Partly Cloudy | 2 to 7 mph NNE | 2% |
| Wednesday | 74°F | Mostly Sunny | 5 mph NE | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 3 mph NE | 1% |
| Thursday | 77°F | Partly Sunny | 0 to 3 mph ENE | 9% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph ENE | 17% |
| Friday | 77°F | Slight Chance Rain Showers | 1 to 5 mph E | 21% |
| Friday Night | 57°F | Mostly Cloudy | 3 mph E | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Blackwater, MO
Last spring frost
Apr 5
First fall frost
Oct 29
Growing season
206 days
Hardiness zone
6b
Explore more for Blackwater, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Boonville, Mo (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.