Saint Marys, IN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Marys, IN in one place.
Sunny, with a high near 88. Southwest wind 8 to 12 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Saint Marys, IN 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 12, 2026 4:17 AM EDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Saint Marys, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 4:17 AM EDT
- Forecast office
- LMK
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Marys
Tuesday looks like the warmest upcoming period in Saint Marys at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 17 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 4:17 AM EDT
- Coverage
- 6 days
- Time zone
- America/Kentucky/Louisville
- Forecast office
- LMK
- Radar station
- KLVX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 67. Southwest wind 7 to 10 mph.
A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 84. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Partly cloudy, with a low around 40.
Mostly sunny, with a high near 57.
Mostly clear, with a low around 34.
Sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
88°F |
8 to 12 mph
SW
|
|
Tuesday Night
Oct 13
|
Mostly Clear
|
67°F |
7 to 10 mph
SW
|
|
Wednesday
Oct 14
|
Chance Showers And Thunderstorms
|
84°F |
8 mph
SW
|
|
Wednesday Night
Oct 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
64°F |
7 mph
NW
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
78°F |
6 to 9 mph
NE
|
|
Thursday Night
Oct 15
|
Chance Showers And Thunderstorms
|
58°F |
8 to 14 mph
S
|
|
Friday
Oct 16
|
Chance Showers And Thunderstorms
|
68°F |
17 mph
W
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
40°F |
13 to 17 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
57°F |
14 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
34°F |
3 to 10 mph
N
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
6 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Marys.