10-day forecast for Petersburg, OR: 56° to 98°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
98°
Best day: Sunday, August 16
85°
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1086° / 58°0
Morning64°feels 63°
Afternoon85°feels 82°
Evening78°feels 77°
Overnight64°feels 62°
86 °
Petersburg, Monday, 10 August
Clear. High 86°, low 58°.
Pressure29.94 inHg
Wind11.3 mph NW
Humidity24%
Visibility6.2 mi
Dew point41°
Tue, 1189° / 56°0
Morning63°feels 62°
Afternoon89°feels 86°
Evening78°feels 78°
Overnight62°feels 61°
89 °
Petersburg, Tuesday, 11 August
Clear. High 89°, low 56°.
Pressure29.97 inHg
Wind8.4 mph NW
Humidity30%
Visibility6.2 mi
Dew point47°
Wed, 1285° / 58°0
Morning63°feels 63°
Afternoon84°feels 83°
Evening77°feels 76°
Overnight63°feels 62°
85 °
Petersburg, Wednesday, 12 August
Clear. High 85°, low 58°.
Pressure29.88 inHg
Wind11.4 mph NW
Humidity40%
Visibility6.2 mi
Dew point51°
Thu, 1393° / 60°0
Morning65°feels 64°
Afternoon88°feels 85°
Evening82°feels 80°
Overnight63°feels 62°
93 °
Petersburg, Thursday, 13 August
Clear. High 93°, low 60°.
Pressure29.77 inHg
Wind5.5 mph NW
Humidity24%
Visibility—
Dew point45°
Fri, 1495° / 64°0
Morning76°feels 75°
Afternoon91°feels 88°
Evening83°feels 82°
Overnight74°feels 73°
95 °
Petersburg, Friday, 14 August
Clear. High 95°, low 64°.
Pressure29.83 inHg
Wind11.3 mph NW
Humidity20%
Visibility—
Dew point43°
Sat, 1596° / 65°0
Morning78°feels 76°
Afternoon93°feels 90°
Evening82°feels 80°
Overnight73°feels 72°
96 °
Petersburg, Saturday, 15 August
Partly cloudy. High 96°, low 65°.
Pressure29.88 inHg
Wind16.9 mph NW
Humidity21%
Visibility—
Dew point46°
Sun, 1698° / 66°0
Morning80°feels 78°
Afternoon96°feels 92°
Evening83°feels 80°
Overnight75°feels 74°
98 °
Petersburg, Sunday, 16 August
Partly cloudy. High 98°, low 66°.
Pressure29.91 inHg
Wind23.4 mph NW
Humidity17%
Visibility—
Dew point43°
Mon, 1791° / 65°0
Morning76°feels 74°
Afternoon90°feels 86°
Evening78°feels 78°
Overnight70°feels 69°
91 °
Petersburg, Monday, 17 August
Clear. High 91°, low 65°.
Pressure30.00 inHg
Wind24.8 mph NW
Humidity16%
Visibility—
Dew point37°
Tue, 1895° / 61°0
Morning75°feels 73°
Afternoon92°feels 88°
Evening81°feels 79°
Overnight71°feels 70°
95 °
Petersburg, Tuesday, 18 August
Clear. High 95°, low 61°.
Pressure30.00 inHg
Wind20.1 mph NW
Humidity13%
Visibility—
Dew point33°
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, OR 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.