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St. Mary, MO Weather & Current Conditions

63673 Weather (St. Mary, MO)

Current Conditions and Weather for St. Mary, Missouri

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Clear at St. Mary (63673), temperature is 74°F23°C, dew point 46°F8°C, humidity 36%. Wind direction is NE at 3 mphat 5 km/h with visibility of 10 mi16 km. Barometric pressure is 30.25 in1024 mb. Last update: 1:33 pm.*

*Time is approximately 1:33 pm Wed, Oct 21, 2026. Time will be within 15 minutes of current local time. St. Mary weather forecast data is updated every 15 minutes.

Sun & Moon

Converter

Cloud Cover	5%
uv UV Index	5
Sunrise	07:14 AM
Sunset	06:13 PM
Moonrise	03:53 PM
Moonset	02:17 AM

Civil Twilight
6:45 AM to 7:11 AM
6:14 PM to 6:40 PM
Waxing Gibbous Moon

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The weather couldn't seem to make up its mind. Spring had gone to its head and unsettled it. ―Cid Ricketts Sumner

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St. Mary Weather Forecast

Weather forecast for: Saint Mary MO

Last Update: 1:26 pm CDT Oct 21, 2026

This Afternoon: Sunny, with a high near 75. Calm wind.

Tonight: Mostly clear, with a low around 46. Calm wind.

Thursday: Sunny, with a high near 77. Calm wind.

Thursday Night: Clear, with a low around 46. Calm wind.

Friday: Sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon.

Friday Night: Mostly clear, with a low around 45.

Saturday: Mostly sunny, with a high near 77.

Saturday Night: Partly cloudy, with a low around 47.

Sunday: Partly sunny, with a high near 79.

Sunday Night: Mostly cloudy, with a low around 48.

Monday: Partly sunny, with a high near 77.

Monday Night: Mostly cloudy, with a low around 49.

Tuesday: Partly sunny, with a high near 73.

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