Cairo, MO Weather & Growing Conditions
Today
93°F
Mostly Sunny
Mostly sunny, with a high near 93. Heat index values as high as 98. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Mostly Sunny | 7 to 10 mph SW | 2% |
| Tonight | 69°F | Chance Showers And Thunderstorms | 2 to 7 mph WSW | 46% |
| Sunday | 80°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 to 8 mph NNW | 49% |
| Sunday Night | 61°F | Showers And Thunderstorms | 7 to 10 mph NE | 84% |
| Monday | 68°F | Showers And Thunderstorms | 8 to 12 mph NE | 84% |
| Monday Night | 55°F | Chance Rain Showers | 8 to 12 mph NE | 26% |
| Tuesday | 64°F | Partly Sunny | 10 mph NE | 10% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 9 mph NE | 4% |
| Wednesday | 68°F | Mostly Sunny | 7 mph NNE | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 6 mph NE | 1% |
| Thursday | 71°F | Partly Sunny then Slight Chance Rain Showers | 5 mph NE | 15% |
| Thursday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph ENE | 15% |
| Friday | 73°F | Slight Chance Rain Showers | 6 mph ENE | 17% |
| Friday Night | 56°F | Mostly Cloudy | 5 mph E | 8% |
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 Sep 19, 2026.