Weather World
St. Marys, KS 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
St. Marys, KS Weather Forecast
St. Marys, KS Weather Forecast Date: 943 PM CST Tue Mar 03 2026
The area/counties/county of: Pottawatomie, including the cities of: Wamego and St. Marys.or toggle through each period.
Rest of Tonight... Cloudy. A slight chance of drizzle. Near steady temperature in the lower 40s. Northeast winds around 5 mph.
Wednesday... Mostly cloudy. A slight chance of drizzle in the morning, then a slight chance of rain in the afternoon. Highs in the lower 50s. North winds around 5 mph. Chance of rain 20%.
Wednesday Night... Mostly cloudy. Lows in the upper 30s. Southwest winds around 5 mph.
Thursday... Mostly sunny. A slight chance of rain in the afternoon. Much warmer with highs in the upper 60s. South winds 10 to 15 mph.
Thursday Night... A chance of thunderstorms. Showers. Not as cool with lows in the mid 50s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90%.
Friday... Rain likely in the morning, then showers with a slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 80%.
Friday Night... Mostly cloudy with a chance of rain in the evening, then partly cloudy with a slight chance of rain after midnight. Much cooler with lows in the mid 30s. Chance of rain 50%.
Saturday... Mostly clear. Highs in the mid 50s. Lows in the mid 30s.
Saturday Night... Mostly clear. Highs in the mid 50s. Lows in the mid 30s.
Sunday... Clear. Highs in the upper 60s. Lows in the mid 40s.
Sunday Night... Clear. Highs in the upper 60s. Lows in the mid 40s.
Monday... Sunny, warmer with highs in the upper 70s.
Monday Night... Mostly clear. A slight chance of rain in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 30%.
POP = Probability of Precipitation
St. Marys Radar Loop
Use the map search tool if you want to place a location marker on the radar map...