10-day forecast for Saint Peter, OH: 57° to 90°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, August 9
86° · 1.67 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 69°1.26
Morning71°feels 72°
Afternoon88°feels 100°
Evening80°feels 86°
Overnight76°feels 77°
90 °
Saint Peter, Monday, 10 August
Heavy rain. High 90°, low 69°.
Pressure29.94 inHg
Wind17.2 mph SW
Humidity78%
Visibility6.2 mi
Dew point74°
Tue, 1186° / 68°1.67
Morning71°feels 73°
Afternoon85°feels 95°
Evening71°feels 72°
Overnight68°feels 69°
86 °
Saint Peter, Tuesday, 11 August
Heavy rain. High 86°, low 68°.
Pressure29.91 inHg
Wind10 mph SW
Humidity80%
Visibility6.2 mi
Dew point75°
Wed, 1282° / 66°0.32
Morning71°feels 72°
Afternoon82°feels 87°
Evening70°feels 70°
Overnight71°feels 72°
82 °
Saint Peter, Wednesday, 12 August
Rain. High 82°, low 66°.
Pressure29.80 inHg
Wind3.6 mph N
Humidity80%
Visibility6.2 mi
Dew point72°
Thu, 1374° / 60°0
Morning64°feels 64°
Afternoon73°feels 73°
Evening67°feels 67°
Overnight66°feels 67°
74 °
Saint Peter, Thursday, 13 August
Overcast. High 74°, low 60°.
Pressure30.00 inHg
Wind7.7 mph N
Humidity70%
Visibility—
Dew point61°
Fri, 1472° / 57°0.1
Morning61°feels 60°
Afternoon70°feels 70°
Evening65°feels 65°
Overnight59°feels 59°
72 °
Saint Peter, Friday, 14 August
Light rain. High 72°, low 57°.
Pressure30.15 inHg
Wind7.7 mph NW
Humidity66%
Visibility—
Dew point57°
Sat, 1573° / 59°0
Morning62°feels 62°
Afternoon70°feels 70°
Evening66°feels 66°
Overnight60°feels 60°
73 °
Saint Peter, Saturday, 15 August
Overcast. High 73°, low 59°.
Pressure30.27 inHg
Wind7.5 mph E
Humidity67%
Visibility—
Dew point58°
Sun, 1673° / 58°0.06
Morning63°feels 63°
Afternoon70°feels 70°
Evening68°feels 68°
Overnight63°feels 63°
73 °
Saint Peter, Sunday, 16 August
Light rain. High 73°, low 58°.
Pressure30.12 inHg
Wind8 mph SE
Humidity72%
Visibility—
Dew point60°
Mon, 1777° / 64°0.02
Morning68°feels 68°
Afternoon75°feels 75°
Evening70°feels 71°
Overnight65°feels 66°
77 °
Saint Peter, Monday, 17 August
Light rain. High 77°, low 64°.
Pressure30.06 inHg
Wind6.7 mph N
Humidity77%
Visibility—
Dew point66°
Tue, 1879° / 61°0
Morning68°feels 68°
Afternoon78°feels 78°
Evening72°feels 73°
Overnight67°feels 67°
79 °
Saint Peter, Tuesday, 18 August
Light rain. High 79°, low 61°.
Pressure30.06 inHg
Wind4.1 mph SE
Humidity63%
Visibility—
Dew point63°
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 Saint Peter, OH 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.