Saint Marys, OH Weather Forecast

Local 7-day forecast

94°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Saint Marys, OH in one place.

Thursday, July 16, 2026
Wind: 3 mph NW
Thursday

Sunny, with a high near 94. Northwest wind around 3 mph.

Local 7-day forecast

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: Jul 14, 2026 10:15 PM EDT.

The active forecast window currently covers Jul 16 to Jul 21, 2026 for Saint Marys, OH.

Page Snapshot

Page focus
city weather
Forecast window
Jul 16 to Jul 21, 2026
Latest sync
Jul 14, 2026 10:15 PM EDT
Forecast office
ILN
Source
NOAA / NWS
Next High
94°F
Thursday
Next Low
72°F
Thursday Night
Rain Outlook
9
Periods mentioning precipitation
Windiest
8 to 15 mph
Tuesday

Daily Outlook

Today
Jul 16
Sunny
94 °F
/ 72°F
Wind 3 mph
Fri
Jul 17
Showers And Thunderstorms Likely
91 °F
/ 72°F
Wind 6 mph
Sat
Jul 18
Chance Showers And Thunderstorms
89 °F
/ 71°F
Wind 5 to 12 mph
Sun
Jul 19
Slight Chance Showers And Thunderstorms
86 °F
/ 68°F
Wind 8 mph
Mon
Jul 20
Chance Rain Showers
87 °F
/ 69°F
Wind 3 to 12 mph
Tue
Jul 21
Chance Rain Showers then Chance Showers And Thunderstorms
84 °F
Wind 8 to 15 mph

This Week in Saint Marys

Thursday looks like the warmest upcoming period in Saint Marys at 94 degrees F.

Sunday Night is the coolest period ahead with temperatures near 68 degrees F.

The strongest winds are forecast for Tuesday at about 8 to 15 mph W.

Precipitation is mentioned in 9 upcoming forecast periods.

Forecast Details

Last updated
Jul 14, 2026 10:15 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 source

Extended Forecast

Thursday Night
Jul 16
72°F
Mostly Clear
3 mph SE

Mostly clear, with a low around 72. Southeast wind around 3 mph.

Friday
Jul 17
91°F
Showers And Thunderstorms Likely
6 mph S

Showers and thunderstorms likely after 8am. Partly sunny, with a high near 91. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night
Jul 17
72°F
Showers And Thunderstorms Likely
5 mph SW

Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Saturday
Jul 18
89°F
Chance Showers And Thunderstorms
5 to 12 mph W

A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.

Saturday Night
Jul 18
71°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
7 to 10 mph W

Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Sunday
Jul 19
86°F
Slight Chance Showers And Thunderstorms
8 mph NW

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.

Sunday Night
Jul 19
68°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
3 to 7 mph SW

A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68.

Monday
Jul 20
87°F
Chance Rain Showers
3 to 12 mph SW

A chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

Monday Night
Jul 20
69°F
Chance Showers And Thunderstorms
8 to 12 mph SW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.

Tuesday
Jul 21
84°F
Chance Rain Showers then Chance Showers And Thunderstorms
8 to 15 mph W

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Jul 16
Sunny
94°F
3 mph
NW
Thursday Night
Jul 16
Mostly Clear
72°F
3 mph
SE
Friday
Jul 17
Showers And Thunderstorms Likely
91°F
6 mph
S
Friday Night
Jul 17
Showers And Thunderstorms Likely
72°F
5 mph
SW
Saturday
Jul 18
Chance Showers And Thunderstorms
89°F
5 to 12 mph
W
Saturday Night
Jul 18
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
71°F
7 to 10 mph
W
Sunday
Jul 19
Slight Chance Showers And Thunderstorms
86°F
8 mph
NW
Sunday Night
Jul 19
Slight Chance Showers And Thunderstorms then Partly Cloudy
68°F
3 to 7 mph
SW
Monday
Jul 20
Chance Rain Showers
87°F
3 to 12 mph
SW
Monday Night
Jul 20
Chance Showers And Thunderstorms
69°F
8 to 12 mph
SW
Tuesday
Jul 21
Chance Rain Showers then Chance Showers And Thunderstorms
84°F
8 to 15 mph
W
StMarysOhioSeal
StMarysOhioSeal seal image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.