10-day forecast for Portland, OH: 56° to 92°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Thursday, August 13
90° · 1.87 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1092° / 69°0.11
Morning72°feels 73°
Afternoon87°feels 87°
Evening82°feels 85°
Overnight70°feels 71°
92 °
Portland, Monday, 10 August
Rain. High 92°, low 69°.
Pressure30.06 inHg
Wind9.4 mph SW
Humidity62%
Visibility6.2 mi
Dew point70°
Tue, 1183° / 67°1.74
Morning67°feels 69°
Afternoon80°feels 83°
Evening75°feels 76°
Overnight71°feels 73°
83 °
Portland, Tuesday, 11 August
Heavy rain. High 83°, low 67°.
Pressure30.03 inHg
Wind8.2 mph W
Humidity75%
Visibility6.2 mi
Dew point69°
Wed, 1290° / 67°1.87
Morning68°feels 69°
Afternoon86°feels 92°
Evening68°feels 69°
Overnight67°feels 68°
90 °
Portland, Wednesday, 12 August
Heavy rain. High 90°, low 67°.
Pressure29.85 inHg
Wind10.3 mph SW
Humidity86%
Visibility6.2 mi
Dew point72°
Thu, 1386° / 67°0.01
Morning69°feels 70°
Afternoon83°feels 85°
Evening72°feels 73°
Overnight69°feels 70°
86 °
Portland, Thursday, 13 August
Light rain. High 86°, low 67°.
Pressure29.97 inHg
Wind5.7 mph S
Humidity48%
Visibility—
Dew point62°
Fri, 1468° / 62°0.33
Morning65°feels 66°
Afternoon64°feels 65°
Evening66°feels 66°
Overnight63°feels 63°
68 °
Portland, Friday, 14 August
Light rain. High 68°, low 62°.
Pressure30.06 inHg
Wind6.4 mph NE
Humidity99%
Visibility—
Dew point64°
Sat, 1579° / 56°0
Morning64°feels 63°
Afternoon77°feels 77°
Evening66°feels 66°
Overnight60°feels 59°
79 °
Portland, Saturday, 15 August
Partly cloudy. High 79°, low 56°.
Pressure30.24 inHg
Wind6.6 mph NE
Humidity35%
Visibility—
Dew point46°
Sun, 1683° / 57°0.17
Morning67°feels 67°
Afternoon82°feels 84°
Evening74°feels 76°
Overnight69°feels 70°
83 °
Portland, Sunday, 16 August
Light rain. High 83°, low 57°.
Pressure30.03 inHg
Wind8.4 mph S
Humidity54%
Visibility—
Dew point62°
Mon, 1780° / 64°0.04
Morning73°feels 74°
Afternoon79°feels 80°
Evening69°feels 70°
Overnight65°feels 65°
80 °
Portland, Monday, 17 August
Light rain. High 80°, low 64°.
Pressure30.00 inHg
Wind7.5 mph NW
Humidity51%
Visibility—
Dew point59°
Tue, 1884° / 61°0
Morning69°feels 69°
Afternoon81°feels 82°
Evening72°feels 73°
Overnight67°feels 67°
84 °
Portland, Tuesday, 18 August
Overcast. High 84°, low 61°.
Pressure29.94 inHg
Wind4.3 mph E
Humidity48%
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 Portland, 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.