10-day forecast for St. Ignace, MI: 42° to 62°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
60°
Best day: Sunday, October 18
56° · 0.26 in
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1957° / 42°0
Morning42°feels 37°
Afternoon57°feels 56°
Evening51°feels 50°
Overnight50°feels 49°
57 °
St. Ignace, Monday, 19 October
Partly cloudy. High 57°, low 42°.
Pressure30.39 inHg
Wind4.4 mph W
Humidity72%
Visibility6.2 mi
Dew point46°
Tue, 2055° / 46°0
Morning51°feels 49°
Afternoon55°feels 53°
Evening53°feels 52°
Overnight47°feels 44°
55 °
St. Ignace, Tuesday, 20 October
Clear. High 55°, low 46°.
Pressure30.47 inHg
Wind12 mph E
Humidity75%
Visibility6.2 mi
Dew point47°
Wed, 2159° / 50°0.01
Morning53°feels 52°
Afternoon59°feels 58°
Evening56°feels 55°
Overnight50°feels 49°
59 °
St. Ignace, Wednesday, 21 October
Light rain. High 59°, low 50°.
Pressure30.24 inHg
Wind11.6 mph SW
Humidity81%
Visibility6.2 mi
Dew point53°
Thu, 2254° / 46°0
Morning47°feels 43°
Afternoon53°feels 50°
Evening48°feels 45°
Overnight51°feels 50°
54 °
St. Ignace, Thursday, 22 October
Clear. High 54°, low 46°.
Pressure30.36 inHg
Wind7.7 mph NE
Humidity62%
Visibility—
Dew point40°
Fri, 2355° / 49°0
Morning51°feels 47°
Afternoon54°feels 52°
Evening52°feels 51°
Overnight50°feels 48°
55 °
St. Ignace, Friday, 23 October
Mostly clear. High 55°, low 49°.
Pressure30.47 inHg
Wind11.5 mph SE
Humidity62%
Visibility—
Dew point41°
Sat, 2462° / 48°0.09
Morning51°feels 47°
Afternoon60°feels 58°
Evening61°feels 60°
Overnight56°feels 54°
62 °
St. Ignace, Saturday, 24 October
Light rain. High 62°, low 48°.
Pressure30.18 inHg
Wind23.2 mph SW
Humidity59%
Visibility—
Dew point44°
Sun, 2556° / 42°0.26
Morning48°feels 41°
Afternoon48°feels 43°
Evening43°feels 38°
Overnight43°feels 38°
56 °
St. Ignace, Sunday, 25 October
Rain. High 56°, low 42°.
Pressure30.33 inHg
Wind16.8 mph NW
Humidity51%
Visibility—
Dew point32°
Mon, 2650° / 42°0
Morning45°feels 40°
Afternoon49°feels 44°
Evening48°feels 44°
Overnight47°feels 44°
50 °
St. Ignace, Monday, 26 October
Overcast. High 50°, low 42°.
Pressure30.30 inHg
Wind13.8 mph W
Humidity50%
Visibility—
Dew point31°
Tue, 2748° / 42°0
Morning44°feels 39°
Afternoon48°feels 44°
Evening47°feels 42°
Overnight46°feels 41°
48 °
St. Ignace, Tuesday, 27 October
Clear. High 48°, low 42°.
Pressure30.42 inHg
Wind11.9 mph SE
Humidity59%
Visibility—
Dew point34°
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 St. Ignace, MI 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.