10-day forecast for Portland, MO: 64° to 104°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
104°
Best day: Saturday, August 15
96° · 0.1 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10101° / 75°0
Morning78°feels 79°
Afternoon100°feels 104°
Evening87°feels 92°
Overnight82°feels 84°
101 °
Portland, Monday, 10 August
Partly cloudy. High 101°, low 75°.
Pressure29.94 inHg
Wind10.6 mph SW
Humidity41%
Visibility6.2 mi
Dew point67°
Tue, 11103° / 76°0
Morning79°feels 79°
Afternoon101°feels 104°
Evening85°feels 88°
Overnight78°feels 79°
103 °
Portland, Tuesday, 11 August
Overcast. High 103°, low 76°.
Pressure29.88 inHg
Wind10.2 mph SW
Humidity37%
Visibility6.2 mi
Dew point66°
Wed, 1297° / 77°0
Morning79°feels 79°
Afternoon90°feels 96°
Evening84°feels 89°
Overnight80°feels 80°
97 °
Portland, Wednesday, 12 August
Overcast. High 97°, low 77°.
Pressure29.83 inHg
Wind6.9 mph W
Humidity47%
Visibility6.2 mi
Dew point68°
Thu, 1396° / 71°0.1
Morning72°feels 74°
Afternoon93°feels 97°
Evening86°feels 94°
Overnight74°feels 75°
96 °
Portland, Thursday, 13 August
Light rain. High 96°, low 71°.
Pressure29.83 inHg
Wind7.4 mph S
Humidity60%
Visibility6.2 mi
Dew point70°
Fri, 1498° / 72°0
Morning79°feels 82°
Afternoon95°feels 100°
Evening87°feels 93°
Overnight78°feels 78°
98 °
Portland, Friday, 14 August
Partly cloudy. High 98°, low 72°.
Pressure29.94 inHg
Wind10.6 mph E
Humidity41%
Visibility—
Dew point65°
Sat, 15104° / 72°0
Morning80°feels 81°
Afternoon100°feels 101°
Evening92°feels 97°
Overnight80°feels 82°
104 °
Portland, Saturday, 15 August
Partly cloudy. High 104°, low 72°.
Pressure30.00 inHg
Wind8.7 mph E
Humidity26%
Visibility—
Dew point56°
Sun, 1696° / 74°0
Morning80°feels 81°
Afternoon92°feels 98°
Evening85°feels 89°
Overnight77°feels 78°
96 °
Portland, Sunday, 16 August
Partly cloudy. High 96°, low 74°.
Pressure30.03 inHg
Wind8.9 mph N
Humidity49%
Visibility—
Dew point68°
Mon, 1787° / 64°0
Morning70°feels 70°
Afternoon84°feels 83°
Evening79°feels 79°
Overnight73°feels 73°
87 °
Portland, Monday, 17 August
Overcast. High 87°, low 64°.
Pressure30.06 inHg
Wind5.7 mph NE
Humidity38%
Visibility—
Dew point54°
Tue, 18102° / 67°0.08
Morning76°feels 77°
Afternoon96°feels 98°
Evening87°feels 92°
Overnight78°feels 80°
102 °
Portland, Tuesday, 18 August
Light rain. High 102°, low 67°.
Pressure29.77 inHg
Wind8.9 mph S
Humidity31%
Visibility—
Dew point58°
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, MO 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.