10-day forecast for Portland, ND: 54° to 101°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
101°
Best day: Tuesday, August 18
77° · 0.1 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 58°0
Morning64°feels 62°
Afternoon85°feels 82°
Evening77°feels 76°
Overnight62°feels 60°
87 °
Portland, Monday, 10 August
Light rain. High 87°, low 58°.
Pressure29.91 inHg
Wind4.7 mph NE
Humidity28%
Visibility6.2 mi
Dew point45°
Tue, 1185° / 58°0
Morning64°feels 63°
Afternoon84°feels 82°
Evening79°feels 79°
Overnight61°feels 61°
85 °
Portland, Tuesday, 11 August
Overcast. High 85°, low 58°.
Pressure29.91 inHg
Wind10.1 mph NE
Humidity25%
Visibility6.2 mi
Dew point42°
Wed, 1281° / 61°0.01
Morning64°feels 62°
Afternoon79°feels 79°
Evening75°feels 74°
Overnight67°feels 65°
81 °
Portland, Wednesday, 12 August
Light rain. High 81°, low 61°.
Pressure30.00 inHg
Wind10.6 mph N
Humidity40%
Visibility6.2 mi
Dew point48°
Thu, 1379° / 54°0
Morning60°feels 58°
Afternoon74°feels 73°
Evening77°feels 76°
Overnight57°feels 55°
79 °
Portland, Thursday, 13 August
Overcast. High 79°, low 54°.
Pressure30.09 inHg
Wind8.1 mph NE
Humidity31%
Visibility—
Dew point39°
Fri, 1488° / 56°0
Morning64°feels 62°
Afternoon84°feels 82°
Evening85°feels 82°
Overnight71°feels 69°
88 °
Portland, Friday, 14 August
Partly cloudy. High 88°, low 56°.
Pressure30.09 inHg
Wind9.5 mph S
Humidity22%
Visibility—
Dew point37°
Sat, 1577° / 66°0.1
Morning67°feels 66°
Afternoon69°feels 69°
Evening76°feels 76°
Overnight67°feels 68°
77 °
Portland, Saturday, 15 August
Light rain. High 77°, low 66°.
Pressure30.06 inHg
Wind12.6 mph S
Humidity73%
Visibility—
Dew point58°
Sun, 1684° / 56°0
Morning62°feels 62°
Afternoon79°feels 78°
Evening81°feels 78°
Overnight66°feels 64°
84 °
Portland, Sunday, 16 August
Clear. High 84°, low 56°.
Pressure30.15 inHg
Wind8.9 mph N
Humidity33%
Visibility—
Dew point44°
Mon, 1777° / 64°0.04
Morning67°feels 66°
Afternoon76°feels 75°
Evening70°feels 69°
Overnight67°feels 66°
77 °
Portland, Monday, 17 August
Light rain. High 77°, low 64°.
Pressure30.00 inHg
Wind14.2 mph S
Humidity39%
Visibility—
Dew point48°
Tue, 18101° / 60°0.06
Morning71°feels 71°
Afternoon94°feels 94°
Evening93°feels 91°
Overnight78°feels 78°
101 °
Portland, Tuesday, 18 August
Light rain. High 101°, low 60°.
Pressure29.71 inHg
Wind14.3 mph SE
Humidity34%
Visibility—
Dew point57°
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, ND 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.