10-day forecast for Port William, OH: 55° to 91°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Sunday, August 9
84° · 1.06 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 71°0.19
Morning72°feels 73°
Afternoon88°feels 97°
Evening82°feels 88°
Overnight72°feels 74°
91 °
Port William, Monday, 10 August
Rain. High 91°, low 71°.
Pressure30.00 inHg
Wind15.7 mph SW
Humidity73%
Visibility6.2 mi
Dew point73°
Tue, 1189° / 67°1.08
Morning70°feels 71°
Afternoon86°feels 95°
Evening71°feels 72°
Overnight69°feels 71°
89 °
Port William, Tuesday, 11 August
Rain. High 89°, low 67°.
Pressure29.94 inHg
Wind11 mph SW
Humidity83%
Visibility6.2 mi
Dew point74°
Wed, 1284° / 63°1.06
Morning73°feels 74°
Afternoon84°feels 92°
Evening65°feels 66°
Overnight69°feels 70°
84 °
Port William, Wednesday, 12 August
Rain. High 84°, low 63°.
Pressure29.80 inHg
Wind9.1 mph W
Humidity77%
Visibility6.2 mi
Dew point74°
Thu, 1378° / 63°0
Morning68°feels 69°
Afternoon76°feels 77°
Evening69°feels 70°
Overnight63°feels 64°
78 °
Port William, Thursday, 13 August
Clear. High 78°, low 63°.
Pressure29.97 inHg
Wind7.6 mph N
Humidity63%
Visibility—
Dew point62°
Fri, 1472° / 60°0.66
Morning62°feels 62°
Afternoon66°feels 66°
Evening65°feels 65°
Overnight60°feels 60°
72 °
Port William, Friday, 14 August
Rain. High 72°, low 60°.
Pressure30.15 inHg
Wind7.7 mph NE
Humidity80%
Visibility—
Dew point59°
Sat, 1572° / 55°0.01
Morning60°feels 59°
Afternoon65°feels 65°
Evening65°feels 66°
Overnight59°feels 59°
72 °
Port William, Saturday, 15 August
Light rain. High 72°, low 55°.
Pressure30.27 inHg
Wind9.8 mph E
Humidity82%
Visibility—
Dew point58°
Sun, 1673° / 57°0
Morning62°feels 61°
Afternoon69°feels 69°
Evening66°feels 67°
Overnight62°feels 62°
73 °
Port William, Sunday, 16 August
Overcast. High 73°, low 57°.
Pressure30.15 inHg
Wind9.7 mph E
Humidity68%
Visibility—
Dew point57°
Mon, 1778° / 59°0.01
Morning66°feels 66°
Afternoon75°feels 76°
Evening70°feels 71°
Overnight65°feels 65°
78 °
Port William, Monday, 17 August
Light rain. High 78°, low 59°.
Pressure30.06 inHg
Wind7.2 mph N
Humidity73%
Visibility—
Dew point65°
Tue, 1880° / 61°0
Morning67°feels 68°
Afternoon78°feels 78°
Evening71°feels 72°
Overnight67°feels 67°
80 °
Port William, Tuesday, 18 August
Clear. High 80°, low 61°.
Pressure30.06 inHg
Wind5.8 mph E
Humidity60%
Visibility—
Dew point61°
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 Port William, 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.