Rock Port, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rock Port, a city in Atchison County, Missouri.
This Afternoon
65°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 65, with temperatures falling to around 56 in the afternoon. North northwest wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rock Port
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Showers And Thunderstorms | 16 to 20 mph NNW | 86% |
| Tonight | 44°F | Chance Rain Showers then Cloudy | 13 to 20 mph NW | 38% |
| Wednesday | 54°F | Mostly Cloudy | 9 to 15 mph WNW | 7% |
| Wednesday Night | 40°F | Partly Cloudy | 8 mph W | 10% |
| Thursday | 54°F | Chance Rain Showers | 10 mph NW | 26% |
| Thursday Night | 39°F | Mostly Cloudy | 7 mph NNW | 5% |
| Friday | 54°F | Partly Sunny | 1 to 6 mph N | 4% |
| Friday Night | 36°F | Mostly Cloudy | 1 mph WNW | 0% |
| Saturday | 60°F | Mostly Sunny | 1 to 5 mph SW | 2% |
| Saturday Night | 38°F | Mostly Clear | 3 mph W | 6% |
| Sunday | 65°F | Sunny | 5 mph WSW | 3% |
| Sunday Night | 41°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 68°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Rock Port (40.411, -95.533). Updated through the day.
Growing snapshot for Rock Port
Last spring frost
Apr 19
First fall frost
Oct 15
Growing season
177 days
Hardiness zone
5b
More local growing data for Rock Port: nearby ZIP 64482 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tarkio, Mo (8.9 mi from Rock Port). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.