10-day forecast for Petersburg, MN: 60° to 92°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
91°
Best day: Tuesday, August 11
76° · 0.57 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1079° / 61°0.27
Morning61°feels 61°
Afternoon78°feels 77°
Evening76°feels 77°
Overnight69°feels 70°
79 °
Petersburg, Monday, 10 August
Rain. High 79°, low 61°.
Pressure29.88 inHg
Wind7.3 mph SE
Humidity60%
Visibility6.2 mi
Dew point62°
Tue, 1191° / 68°0
Morning72°feels 73°
Afternoon90°feels 93°
Evening82°feels 85°
Overnight70°feels 72°
91 °
Petersburg, Tuesday, 11 August
Partly cloudy. High 91°, low 68°.
Pressure29.77 inHg
Wind8.1 mph NE
Humidity49%
Visibility6.2 mi
Dew point65°
Wed, 1291° / 62°0.01
Morning67°feels 68°
Afternoon91°feels 92°
Evening80°feels 80°
Overnight70°feels 71°
91 °
Petersburg, Wednesday, 12 August
Light rain. High 91°, low 62°.
Pressure29.85 inHg
Wind10.4 mph E
Humidity51%
Visibility6.2 mi
Dew point66°
Thu, 1376° / 65°0.57
Morning65°feels 66°
Afternoon74°feels 75°
Evening71°feels 72°
Overnight68°feels 68°
76 °
Petersburg, Thursday, 13 August
Rain. High 76°, low 65°.
Pressure29.97 inHg
Wind7 mph E
Humidity79%
Visibility6.2 mi
Dew point66°
Fri, 1480° / 60°0.01
Morning65°feels 65°
Afternoon77°feels 77°
Evening71°feels 71°
Overnight66°feels 66°
80 °
Petersburg, Friday, 14 August
Light rain. High 80°, low 60°.
Pressure30.06 inHg
Wind17.3 mph SE
Humidity52%
Visibility—
Dew point57°
Sat, 1567° / 60°0.39
Morning61°feels 62°
Afternoon63°feels 63°
Evening66°feels 67°
Overnight65°feels 65°
67 °
Petersburg, Saturday, 15 August
Rain. High 67°, low 60°.
Pressure30.09 inHg
Wind12.5 mph SE
Humidity99%
Visibility—
Dew point61°
Sun, 1680° / 60°0
Morning64°feels 64°
Afternoon73°feels 73°
Evening74°feels 74°
Overnight65°feels 64°
80 °
Petersburg, Sunday, 16 August
Overcast. High 80°, low 60°.
Pressure30.18 inHg
Wind11.9 mph N
Humidity61%
Visibility—
Dew point57°
Mon, 1781° / 64°0
Morning69°feels 68°
Afternoon80°feels 80°
Evening72°feels 72°
Overnight65°feels 65°
81 °
Petersburg, Monday, 17 August
Overcast. High 81°, low 64°.
Pressure30.06 inHg
Wind13.7 mph S
Humidity41%
Visibility—
Dew point53°
Tue, 1892° / 61°0.06
Morning68°feels 68°
Afternoon86°feels 87°
Evening86°feels 87°
Overnight71°feels 71°
92 °
Petersburg, Tuesday, 18 August
Light rain. High 92°, low 61°.
Pressure29.77 inHg
Wind16.6 mph W
Humidity47%
Visibility—
Dew point60°
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, MN 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.