10-day forecast for St. Ignace, MI: 56° to 81°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Sunday, August 9
78° · 0.38 in
Worst day: Saturday, August 8
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0981° / 65°0.02
Morning68°feels 68°
Afternoon77°feels 77°
Evening72°feels 73°
Overnight68°feels 68°
81 °
St. Ignace, Sunday, 9 August
Light rain. High 81°, low 65°.
Pressure29.94 inHg
Wind8.3 mph W
Humidity58%
Visibility6.2 mi
Dew point58°
Mon, 1076° / 64°0.09
Morning64°feels 65°
Afternoon74°feels 73°
Evening71°feels 71°
Overnight66°feels 67°
76 °
St. Ignace, Monday, 10 August
Light rain. High 76°, low 64°.
Pressure29.88 inHg
Wind4 mph N
Humidity58%
Visibility6.2 mi
Dew point57°
Tue, 1170° / 62°0
Morning64°feels 64°
Afternoon68°feels 68°
Evening68°feels 67°
Overnight62°feels 61°
70 °
St. Ignace, Tuesday, 11 August
Overcast. High 70°, low 62°.
Pressure29.85 inHg
Wind8.7 mph E
Humidity59%
Visibility6.2 mi
Dew point55°
Wed, 1271° / 60°0
Morning63°feels 62°
Afternoon68°feels 67°
Evening64°feels 63°
Overnight65°feels 64°
71 °
St. Ignace, Wednesday, 12 August
Light rain. High 71°, low 60°.
Pressure29.80 inHg
Wind7.2 mph NW
Humidity62%
Visibility6.2 mi
Dew point56°
Thu, 1366° / 56°0.02
Morning59°feels 58°
Afternoon65°feels 64°
Evening65°feels 64°
Overnight59°feels 58°
66 °
St. Ignace, Thursday, 13 August
Light rain. High 66°, low 56°.
Pressure29.97 inHg
Wind12.8 mph W
Humidity58%
Visibility—
Dew point49°
Fri, 1471° / 57°0.06
Morning64°feels 62°
Afternoon70°feels 69°
Evening65°feels 64°
Overnight59°feels 58°
71 °
St. Ignace, Friday, 14 August
Light rain. High 71°, low 57°.
Pressure30.06 inHg
Wind11.9 mph N
Humidity46%
Visibility—
Dew point48°
Sat, 1567° / 57°0
Morning60°feels 60°
Afternoon65°feels 64°
Evening64°feels 64°
Overnight60°feels 60°
67 °
St. Ignace, Saturday, 15 August
Overcast. High 67°, low 57°.
Pressure30.30 inHg
Wind6.3 mph NE
Humidity65%
Visibility—
Dew point52°
Sun, 1673° / 60°0
Morning65°feels 65°
Afternoon73°feels 73°
Evening70°feels 70°
Overnight66°feels 67°
73 °
St. Ignace, Sunday, 16 August
Mostly clear. High 73°, low 60°.
Pressure30.09 inHg
Wind14.4 mph W
Humidity64%
Visibility—
Dew point59°
Mon, 1775° / 65°0
Morning71°feels 72°
Afternoon74°feels 74°
Evening70°feels 69°
Overnight66°feels 65°
75 °
St. Ignace, Monday, 17 August
Overcast. High 75°, low 65°.
Pressure29.97 inHg
Wind12 mph SW
Humidity67%
Visibility—
Dew point62°
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.