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 87. East wind around 3 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: Aug 27, 2026 10:33 PM EDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Saint Marys, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 10:33 PM 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 93 degrees F.
Saturday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Sunday at about 2 to 8 mph S.
The forecast from Aug 29 through Sep 3 stays mostly dry.
Forecast Details
- Last updated
- Aug 27, 2026 10:33 PM 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 65. East wind around 2 mph.
Sunny, with a high near 91.
Mostly clear, with a low around 70.
Sunny, with a high near 92.
Mostly clear, with a low around 73.
Sunny, with a high near 93.
Mostly clear, with a low around 74.
Sunny, with a high near 93.
Mostly clear, with a low around 74.
Sunny, with a high near 93.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Sunny
|
87°F |
3 mph
E
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
65°F |
2 mph
E
|
|
Sunday
Aug 30
|
Sunny
|
91°F |
2 to 8 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
70°F |
6 mph
S
|
|
Monday
Aug 31
|
Sunny
|
92°F |
5 to 8 mph
SW
|
|
Monday Night
Aug 31
|
Mostly Clear
|
73°F |
6 mph
SW
|
|
Tuesday
Sep 1
|
Sunny
|
93°F |
7 mph
SW
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
74°F |
6 mph
SW
|
|
Wednesday
Sep 2
|
Sunny
|
93°F |
3 to 8 mph
SW
|
|
Wednesday Night
Sep 2
|
Mostly Clear
|
74°F |
3 to 7 mph
SW
|
|
Thursday
Sep 3
|
Sunny
|
93°F |
5 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Marys.