Blackburn, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackburn, a city in Saline County, Missouri.
Tonight
74°F
Partly Cloudy
Partly cloudy, with a low around 74. Heat index values as high as 98. South wind around 6 mph.
7-day forecast for Blackburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Partly Cloudy | 6 mph S | 2% |
| Saturday | 97°F | Mostly Sunny | 7 to 10 mph SSW | 2% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 2 to 6 mph WSW | 56% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 mph WNW | 48% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 6 mph NNE | 69% |
| Monday | 73°F | Showers And Thunderstorms Likely | 5 to 8 mph NNE | 67% |
| Monday Night | 56°F | Chance Rain Showers then Mostly Cloudy | 7 mph NNE | 29% |
| Tuesday | 68°F | Mostly Cloudy | 7 mph NNE | 7% |
| Tuesday Night | 51°F | Mostly Cloudy | 2 to 6 mph NNE | 4% |
| Wednesday | 72°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 3 mph NE | 4% |
| Thursday | 74°F | Partly Sunny | 3 mph ENE | 13% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph ENE | 15% |
| Friday | 74°F | Slight Chance Rain Showers | 1 to 5 mph E | 16% |
Forecast source: National Weather Service (api.weather.gov) for Blackburn (39.105, -93.486). Updated through the day.
Growing snapshot for Blackburn
Last spring frost
Apr 17
First fall frost
Oct 20
Growing season
184 days
Hardiness zone
6b
More local growing data for Blackburn: nearby ZIP 65321 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Arrow Rock
Emma
Gilliam
Grand Pass
Malta Bend
Marshall
Miami
Mount Leonard
Nelson
Slater
Sweet Springs
Climate data from the nearest NOAA station, Sweet Springs, Mo (7.7 mi from Blackburn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.