Saint Marys, OH Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Marys, OH in one place.
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 70. East wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Saint Marys, OH 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 13, 2026 11:23 PM EDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Saint Marys, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 11:23 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Marys
Tuesday looks like the warmest upcoming period in Saint Marys at 72 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 16 to 24 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 11:23 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- ILN
- Radar station
- KILN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Cloudy, with a low around 55. Southwest wind 7 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers before 2pm. Mostly cloudy, with a high near 58. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 36.
Sunny, with a high near 56.
Clear, with a low around 35.
Sunny, with a high near 65.
Partly cloudy, with a low around 44.
Partly sunny, with a high near 69.
Mostly cloudy, with a low around 47.
Partly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Showers And Thunderstorms Likely
|
70°F |
6 to 9 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
55°F |
7 to 16 mph
SW
|
|
Friday
Oct 16
|
Rain Showers
|
58°F |
16 to 24 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
36°F |
9 to 23 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
56°F |
3 to 7 mph
N
|
|
Saturday Night
Oct 17
|
Clear
|
35°F |
1 to 5 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
65°F |
5 to 9 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
44°F |
8 mph
S
|
|
Monday
Oct 19
|
Partly Sunny
|
69°F |
6 to 9 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
47°F |
1 to 7 mph
SW
|
|
Tuesday
Oct 20
|
Partly Sunny
|
72°F |
3 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Marys.
