10-day forecast for Saint Marys, WI: 60° to 82°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
82°
Best day: Monday, August 10
81° · 1.22 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1082° / 66°0
Morning69°feels 70°
Afternoon81°feels 85°
Evening73°feels 74°
Overnight68°feels 69°
82 °
Saint Marys, Monday, 10 August
Overcast. High 82°, low 66°.
Pressure29.94 inHg
Wind6.2 mph S
Humidity78%
Visibility6.2 mi
Dew point69°
Tue, 1181° / 66°1.22
Morning66°feels 67°
Afternoon80°feels 80°
Evening72°feels 73°
Overnight67°feels 68°
81 °
Saint Marys, Tuesday, 11 August
Heavy rain. High 81°, low 66°.
Pressure29.80 inHg
Wind3.8 mph SE
Humidity67%
Visibility6.2 mi
Dew point65°
Wed, 1277° / 62°0
Morning65°feels 65°
Afternoon73°feels 74°
Evening68°feels 69°
Overnight66°feels 67°
77 °
Saint Marys, Wednesday, 12 August
Overcast. High 77°, low 62°.
Pressure29.94 inHg
Wind2.1 mph N
Humidity70%
Visibility6.2 mi
Dew point63°
Thu, 1378° / 62°0.11
Morning68°feels 68°
Afternoon75°feels 76°
Evening72°feels 73°
Overnight62°feels 62°
78 °
Saint Marys, Thursday, 13 August
Light rain. High 78°, low 62°.
Pressure29.97 inHg
Wind6.3 mph SE
Humidity74%
Visibility6.2 mi
Dew point68°
Fri, 1467° / 62°0.67
Morning64°feels 64°
Afternoon67°feels 68°
Evening65°feels 66°
Overnight63°feels 64°
67 °
Saint Marys, Friday, 14 August
Rain. High 67°, low 62°.
Pressure30.03 inHg
Wind13 mph SE
Humidity86%
Visibility—
Dew point62°
Sat, 1573° / 62°0.84
Morning66°feels 67°
Afternoon71°feels 73°
Evening72°feels 73°
Overnight68°feels 69°
73 °
Saint Marys, Saturday, 15 August
Rain. High 73°, low 62°.
Pressure29.91 inHg
Wind12.2 mph E
Humidity97%
Visibility—
Dew point69°
Sun, 1670° / 62°0.01
Morning64°feels 64°
Afternoon67°feels 67°
Evening67°feels 67°
Overnight66°feels 66°
70 °
Saint Marys, Sunday, 16 August
Light rain. High 70°, low 62°.
Pressure30.03 inHg
Wind12.1 mph NW
Humidity90%
Visibility—
Dew point63°
Mon, 1767° / 60°0.34
Morning62°feels 62°
Afternoon62°feels 63°
Evening63°feels 63°
Overnight64°feels 64°
67 °
Saint Marys, Monday, 17 August
Rain. High 67°, low 60°.
Pressure30.00 inHg
Wind11.7 mph SE
Humidity98%
Visibility—
Dew point62°
Tue, 1880° / 65°0.02
Morning69°feels 70°
Afternoon78°feels 79°
Evening73°feels 74°
Overnight67°feels 68°
80 °
Saint Marys, Tuesday, 18 August
Light rain. High 80°, low 65°.
Pressure29.83 inHg
Wind12.8 mph W
Humidity72%
Visibility—
Dew point68°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Saint Marys, WI around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.