Rock Port, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rock Port, a city in Atchison County, Missouri.
Today
85°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 9am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Northeast wind 2 to 6 mph. Chance of precipitation is 20%.
7-day forecast for Rock Port
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 6 mph NE | 18% |
| Tonight | 65°F | Showers And Thunderstorms Likely | 8 to 12 mph NNE | 67% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 9 mph NE | 58% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms | 3 to 8 mph NE | 29% |
| Thursday | 81°F | Mostly Sunny | 3 mph E | 8% |
| Thursday Night | 65°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 3 mph SE | 23% |
| Friday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 7 mph SSE | 23% |
| Friday Night | 69°F | Mostly Clear | 6 mph SSE | 5% |
| Saturday | 90°F | Sunny | 5 to 12 mph S | 3% |
| Saturday Night | 74°F | Mostly Clear | 13 mph S | 5% |
| Sunday | 93°F | Mostly Sunny | 10 to 14 mph S | 5% |
| Sunday Night | 74°F | Partly Cloudy | 14 mph S | 7% |
| Monday | 93°F | Mostly Sunny | 12 to 15 mph S | 4% |
| Monday Night | 75°F | Partly Cloudy | 14 mph S | 9% |
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 Aug 4, 2026.