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Saint Marys, KS Weather Tomorrow

Check the latest weather forecast for Saint Marys tomorrow and over the next 5 days with daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Saint Marys area and around Pottawatomie county, Kansas.
Updated: Fri Oct 23rd 2026 5:30 PM CDT
Saint Marys, KS Weather – 10-23 – Sunny
76° / 57°
Sunny
Saint Marys is set for a sunny day with temperatures peaking at 76°F and dipping to 57°F. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 17mph on average and gusts of 28mph at 11 PM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 57% at 10 PM and 48% being its lowest at 6 PM. Barometric pressure is its highest of 30.12inHg at 11 PM, a lowest point of 30.07inHg at 6 PM with an avg 30.09inHg.
Saint Marys, KS Weather – 10-24 – Overcast
78° / 57°

Weather Tomorrow

Overcast
Saint Marys may see cloud-filled skies, with daytime highs of 78°F and overnight lows near 57°F. There's a very small chance of rainfall, only about 9%. Wind will be moderate, blowing around 14mph on average and gusts of 24.7mph at 12 AM. Humidity levels should be comfortable, sitting around 51% on average, the maximum being 64% at 7 AM and 35% being its lowest at 2 PM. Barometric pressure is its highest of 30.24inHg at 11 PM, a lowest point of 30.12inHg at 12 AM with an avg 30.18inHg.
Saint Marys, KS Weather – 10-25 – Overcast
77° / 60°
Overcast
Skies will be overcast in Saint Marys, with a high of 77°F and a low of 60°F. There might be light rainfall having a 12% chance. Winds will be light at 10mph and gusts of 16.4mph at 11 PM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 69% at 7 AM and 37% being its lowest at 3 PM. Barometric pressure is its highest of 30.33inHg at 10 AM, a lowest point of 30.22inHg at 3 PM with an avg 30.26inHg.
Saint Marys, KS Weather – 10-26 – Overcast
74° / 59°
Overcast
Daytime highs will reach 74°F with lows dropping to 59°F in Saint Marys, where it will be overcast. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 20.4mph at 9 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 79% at 7 AM and 44% being its lowest at 4 PM. Barometric pressure is its highest of 30.27inHg at 1 AM, a lowest point of 30.15inHg at 3 PM with an avg 30.21inHg.
Saint Marys, KS Weather – 10-27 – Overcast
70° / 60°
Overcast
Skies will be overcast in Saint Marys, with a high of 70°F and a low of 60°F. Rainfall predicted to have a 57% chance with an estimated 0.05in. Wind will be moderate, blowing around 15mph on average and gusts of 33.1mph at 11 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 75% at 7 AM and 44% being its lowest at 12 PM. Barometric pressure is its highest of 30.17inHg at 10 AM, a lowest point of 30.05inHg at 6 PM with an avg 30.11inHg.
Saint Marys, KS Weather – 10-28 – Partly Cloudy
73° / 58°
Partly Cloudy
Daytime highs will reach 73°F with lows dropping to 58°F in Saint Marys, where skies will be cloudy. Rainfall predicted to have a 57% chance with an estimated 0.11in. Wind will be moderate, blowing around 15mph on average and gusts of 38.3mph at 6 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 73% at 10 AM and 43% being its lowest at 4 PM. Barometric pressure is its highest of 30.13inHg at 11 PM, a lowest point of 30.01inHg at 3 PM with an avg 30.05inHg.

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