10-day forecast for Petersburg, MI: 56° to 88°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Sunday, August 9
88° · 2.63 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 69°2.63
Morning71°feels 72°
Afternoon84°feels 94°
Evening77°feels 78°
Overnight74°feels 75°
88 °
Petersburg, Monday, 10 August
Heavy rain. High 88°, low 69°.
Pressure29.94 inHg
Wind16.6 mph SW
Humidity78%
Visibility6.2 mi
Dew point71°
Tue, 1184° / 65°1.02
Morning67°feels 68°
Afternoon83°feels 84°
Evening68°feels 69°
Overnight70°feels 71°
84 °
Petersburg, Tuesday, 11 August
Heavy rain. High 84°, low 65°.
Pressure29.97 inHg
Wind7 mph S
Humidity67%
Visibility6.2 mi
Dew point67°
Wed, 1284° / 65°0.07
Morning68°feels 69°
Afternoon81°feels 84°
Evening78°feels 78°
Overnight65°feels 66°
84 °
Petersburg, Wednesday, 12 August
Light rain. High 84°, low 65°.
Pressure29.80 inHg
Wind5 mph NW
Humidity82%
Visibility6.2 mi
Dew point68°
Thu, 1375° / 63°0
Morning64°feels 64°
Afternoon74°feels 74°
Evening69°feels 70°
Overnight64°feels 64°
75 °
Petersburg, Thursday, 13 August
Overcast. High 75°, low 63°.
Pressure30.00 inHg
Wind2.6 mph W
Humidity50%
Visibility6.2 mi
Dew point55°
Fri, 1478° / 59°0
Morning64°feels 63°
Afternoon74°feels 73°
Evening66°feels 65°
Overnight61°feels 60°
78 °
Petersburg, Friday, 14 August
Partly cloudy. High 78°, low 59°.
Pressure30.12 inHg
Wind9.4 mph NE
Humidity43%
Visibility—
Dew point49°
Sat, 1571° / 56°0
Morning61°feels 61°
Afternoon66°feels 66°
Evening64°feels 64°
Overnight60°feels 60°
71 °
Petersburg, Saturday, 15 August
Overcast. High 71°, low 56°.
Pressure30.30 inHg
Wind6.9 mph E
Humidity74%
Visibility—
Dew point57°
Sun, 1667° / 58°0.31
Morning60°feels 60°
Afternoon66°feels 66°
Evening65°feels 66°
Overnight62°feels 62°
67 °
Petersburg, Sunday, 16 August
Rain. High 67°, low 58°.
Pressure30.03 inHg
Wind8.8 mph SE
Humidity81%
Visibility—
Dew point59°
Mon, 1776° / 59°0
Morning64°feels 64°
Afternoon74°feels 74°
Evening68°feels 69°
Overnight62°feels 62°
76 °
Petersburg, Monday, 17 August
Overcast. High 76°, low 59°.
Pressure30.03 inHg
Wind7.1 mph W
Humidity56%
Visibility—
Dew point56°
Tue, 1877° / 59°0
Morning65°feels 65°
Afternoon76°feels 76°
Evening70°feels 70°
Overnight65°feels 65°
77 °
Petersburg, Tuesday, 18 August
Overcast. High 77°, low 59°.
Pressure29.94 inHg
Wind9.2 mph SW
Humidity58%
Visibility—
Dew point59°
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 Petersburg, 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.