Cairo, MO Weather & Growing Conditions
Today
90°F
Sunny
Sunny, with a high near 90. Heat index values as high as 95. South southwest wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 3 to 7 mph SSW | 3% |
| Tonight | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 1 to 5 mph SSE | 18% |
| Wednesday | 87°F | Showers And Thunderstorms Likely | 6 mph SSE | 63% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely | 7 mph NNE | 87% |
| Thursday | 84°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph ESE | 87% |
| Thursday Night | 66°F | Partly Cloudy | 3 mph ESE | 6% |
| Friday | 87°F | Mostly Sunny | 3 mph S | 11% |
| Friday Night | 68°F | Slight Chance Showers And Thunderstorms | 3 mph S | 18% |
| Saturday | 89°F | Slight Chance Showers And Thunderstorms then Sunny | 3 to 7 mph SSW | 18% |
| Saturday Night | 72°F | Mostly Clear | 5 to 10 mph S | 6% |
| Sunday | 91°F | Sunny | 9 to 13 mph SSW | 4% |
| Sunday Night | 73°F | Mostly Clear | 10 mph SSW | 5% |
| Monday | 92°F | Mostly Sunny | 9 to 14 mph SSW | 7% |
| Monday Night | 74°F | Partly Cloudy | 10 mph SSW | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cairo, MO
Last spring frost
Apr 13
First fall frost
Oct 25
Growing season
195 days
Hardiness zone
6a
Explore more for Cairo, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Moberly, Mo (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.