Weather in Saint Marys, KS
Updated 2026-09-26 10:00 local time · ZIP codes 66536

Light rain shower
No government weather alerts were returned for this location at the latest update.
Next hours
65°60% rain
67°74% rain
69°71% rain
71°66% rain
71°22% rain
72°21% rain
74°26% rain
74°19% rain
75°19% rain
76°23% rain
72°34% rain
69°71% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 74% over the next 12 hours.
It feels like 60°F with winds near 14 mph.
74°F, 19% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 29 mph.
Current temperature is 65°F, wind 14 mph, rain chance up to 74%.
UV index is 2.
Local weather characteristics in Saint Marys
Kansas weather is highly variable, with hot summers, cold outbreaks in winter, strong winds and a significant risk of severe thunderstorms and tornadoes in spring and early summer.
Saint Marys is part of the Midwest weather region. The forecast point is near 39.19°N latitude and 96.07°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Saint Marys weather today
Light rain shower and 65°F in Saint Marys, KS. Today's high is 76°F with a 85% rain chance. Winds are around 14 mph with gusts near 26 mph. Relative humidity is 84%, pressure is 30.01 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Saint Marys
Sunrise is at 07:15 AM and sunset is at 07:15 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 79°F and a low near 64°F. The maximum rain chance is 66%.