Saint Marys, KS Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Marys, KS in one place.
A chance of rain showers before 4pm. Cloudy, with a high near 63. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Saint Marys, KS is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 3:21 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Saint Marys, KS.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:21 PM CDT
- Forecast office
- TOP
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Marys
Wednesday looks like the warmest upcoming period in Saint Marys at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:21 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- TOP
- Radar station
- KTWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 42. Northwest wind 10 to 15 mph, with gusts as high as 35 mph.
Mostly sunny, with a high near 54. Northwest wind 15 to 20 mph, with gusts as high as 40 mph.
Widespread frost after 2am. Mostly clear, with a low around 32. North wind 0 to 10 mph, with gusts as high as 20 mph.
Widespread frost before 9am. Sunny, with a high near 59. Northwest wind 0 to 5 mph.
Clear, with a low around 37. South wind around 5 mph.
Sunny, with a high near 68. South wind 5 to 15 mph, with gusts as high as 20 mph.
Partly cloudy, with a low around 45. South wind 5 to 10 mph.
Mostly sunny, with a high near 73. South wind 5 to 10 mph.
Mostly clear, with a low around 46.
Sunny, with a high near 76.
Mostly clear, with a low around 53.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
A chance of rain showers. Partly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Chance Rain Showers
|
63°F |
10 to 15 mph
NW
|
|
Tonight
Oct 15
|
Partly Cloudy
|
42°F |
10 to 15 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
54°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear then Widespread Frost
|
32°F |
0 to 10 mph
N
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
59°F |
0 to 5 mph
NW
|
|
Saturday Night
Oct 17
|
Clear
|
37°F |
5 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
5 to 15 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
45°F |
5 to 10 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
73°F |
5 to 10 mph
S
|
|
Monday Night
Oct 19
|
Mostly Clear
|
46°F |
0 to 5 mph
SE
|
|
Tuesday
Oct 20
|
Sunny
|
76°F |
0 to 10 mph
S
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
53°F |
5 mph
SE
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
79°F |
5 to 10 mph
S
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
56°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Marys.
