Blackwater, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackwater, a city in Cooper County, Missouri.
Overnight
66°F
Mostly Clear
Mostly clear, with a low around 66. Southeast wind around 3 mph.
7-day forecast for Blackwater
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Clear | 3 mph SE | 0% |
| Tuesday | 93°F | Sunny | 5 mph SSE | 0% |
| Tuesday Night | 71°F | Partly Cloudy | 3 mph SE | 9% |
| Wednesday | 91°F | Chance Showers And Thunderstorms | 2 to 6 mph SSE | 36% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 5 mph NNE | 83% |
| Thursday | 88°F | Showers And Thunderstorms | 3 mph SW | 83% |
| Thursday Night | 67°F | Partly Cloudy | 2 mph SE | 7% |
| Friday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 3 mph SSW | 15% |
| Friday Night | 69°F | Slight Chance Showers And Thunderstorms | 2 mph S | 22% |
| Saturday | 93°F | Slight Chance Showers And Thunderstorms then Sunny | 5 mph SSW | 22% |
| Saturday Night | 72°F | Mostly Clear | 6 mph S | 4% |
| Sunday | 94°F | Sunny | 7 to 10 mph SSW | 2% |
| Sunday Night | 73°F | Mostly Clear | 7 mph SSW | 4% |
| Monday | 95°F | Sunny | 7 to 10 mph SSW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Blackwater (38.979, -92.992). Updated through the day.
Growing snapshot for Blackwater
Last spring frost
Apr 5
First fall frost
Oct 29
Growing season
206 days
Hardiness zone
6b
More local growing data for Blackwater: nearby ZIP 65322 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Boonville, Mo (11.1 mi from Blackwater). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.