Weather for O12/Grand Lake St Marys

St Marys, OH USA

Last Update: 11 Aug 2025 16:35
Temperature (°F)
86
Dewpoint
70
Relative Humidity
58
Wind Direction
270
Gust
Pressure
29.15
Sky
Scattered
Ceiling
Unl
Visibility
10
Heat Index
90
Wind Chill
86
Wind Speed
7
METAR
*** NO MESSAGES FOUND ***
TAF
*** NO MESSAGES FOUND ***

7 Day Forecast

°F °C
Today
88
69
31
20
Partly Cloudy
Day
A mix of clouds and sun. Hot. High 88F. Winds SW at 5 to 10 mph.
Sunshine and clouds mixed. Hot. High 31C. Winds SW at 10 to 15 km/h.
Night
Mostly clear. Low 69F. Winds light and variable.
Mainly clear. Low around 20C. Winds light and variable.
Sunrise: 06:44 AM
Sunset: 08:40 PM
Moonrise: 10:01 PM
Moonset: 09:13 AM
Tomorrow
88
69
31
21
Mostly Sunny
Day
Except for a few afternoon clouds, mainly sunny. A stray shower or thunderstorm is possible. High 88F. Winds SSW at 5 to 10 mph.
Except for a few afternoon clouds, mainly sunny. A stray shower or thunderstorm is possible. High 31C. Winds SSW at 10 to 15 km/h.
Night
Partly cloudy in the evening with more clouds for later at night. Low 69F. Winds SW at 5 to 10 mph.
Partly cloudy skies during the evening will give way to cloudy skies overnight. Low 21C. Winds SW at 10 to 15 km/h.
Sunrise: 06:45 AM
Sunset: 08:39 PM
Moonrise: 10:23 PM
Moonset: 10:25 AM
Wednesday
84
61
29
16
Partly Cloudy
Times of sun and clouds. Highs in the mid 80s and lows in the low 60s.
More clouds than sun. Highs 28 to 30C and lows 15 to 17C.
06:46 AM
08:37 PM
10:48 PM
11:38 AM
Thursday
84
64
29
18
Mostly Sunny
Mostly sunny. Highs in the mid 80s and lows in the mid 60s.
A few clouds. Highs 28 to 30C and lows 17 to 19C.
06:47 AM
08:36 PM
11:17 PM
12:53 PM
Friday
87
66
31
19
Sunny
Mainly sunny. Highs in the upper 80s and lows in the mid 60s.
Abundant sunshine. Highs 30 to 32C and lows 18 to 20C.
06:48 AM
08:34 PM
11:50 PM
02:10 PM
Saturday
90
69
32
21
Mostly Sunny
A few clouds. Highs in the low 90s and lows in the upper 60s.
Plenty of sun. Highs 31 to 33C and lows 20 to 22C.
06:49 AM
08:33 PM
03:27 PM
Sunday
89
66
32
19
Isolated Thunderstorms
Isolated thunderstorms. Highs in the upper 80s and lows in the mid 60s.
Isolated thunderstorms. Highs 31 to 33C and lows 18 to 20C.
06:50 AM
08:32 PM
12:32 AM
04:39 PM