Blackburn, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackburn, a city in Saline County, Missouri.
Today
91°F
Sunny
Sunny, with a high near 91. Heat index values as high as 96. South wind around 6 mph.
7-day forecast for Blackburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 6 mph S | 1% |
| Tonight | 71°F | Partly Cloudy | 5 mph SE | 14% |
| Wednesday | 87°F | Chance Showers And Thunderstorms | 2 to 6 mph SSE | 43% |
| Wednesday Night | 67°F | Showers And Thunderstorms Likely | 6 mph NNE | 87% |
| Thursday | 85°F | Showers And Thunderstorms then Partly Sunny | 3 mph NNE | 87% |
| Thursday Night | 66°F | Partly Cloudy | 2 mph ESE | 11% |
| Friday | 88°F | Mostly Sunny | 3 mph SSW | 13% |
| Friday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 2 mph S | 18% |
| Saturday | 91°F | Slight Chance Showers And Thunderstorms then Sunny | 3 to 7 mph SSW | 18% |
| Saturday Night | 72°F | Mostly Clear | 3 to 8 mph S | 4% |
| Sunday | 92°F | Sunny | 12 mph SSW | 2% |
| Sunday Night | 73°F | Mostly Clear | 9 mph S | 4% |
| Monday | 93°F | Sunny | 9 to 13 mph SSW | 4% |
| Monday Night | 74°F | Mostly Clear | 9 mph SSW | 5% |
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 Aug 4, 2026.