10-day forecast for Portal, AZ: 64° to 94°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
94°
Best day: Sunday, August 9
75° · 0.49 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 67°0
Morning77°feels 76°
Afternoon91°feels 88°
Evening77°feels 76°
Overnight70°feels 69°
91 °
Portal, Monday, 10 August
Clear. High 91°, low 67°.
Pressure29.91 inHg
Wind3 mph NE
Humidity22%
Visibility6.2 mi
Dew point45°
Tue, 1189° / 65°0.19
Morning75°feels 75°
Afternoon89°feels 87°
Evening65°feels 65°
Overnight71°feels 70°
89 °
Portal, Tuesday, 11 August
Rain. High 89°, low 65°.
Pressure29.94 inHg
Wind5.7 mph W
Humidity33%
Visibility6.2 mi
Dew point53°
Wed, 1284° / 64°0.27
Morning71°feels 70°
Afternoon84°feels 83°
Evening65°feels 65°
Overnight69°feels 68°
84 °
Portal, Wednesday, 12 August
Rain. High 84°, low 64°.
Pressure29.88 inHg
Wind1.7 mph N
Humidity42%
Visibility6.2 mi
Dew point56°
Thu, 1375° / 67°0.49
Morning69°feels 69°
Afternoon74°feels 74°
Evening69°feels 69°
Overnight68°feels 67°
75 °
Portal, Thursday, 13 August
Rain. High 75°, low 67°.
Pressure29.91 inHg
Wind8.3 mph W
Humidity53%
Visibility—
Dew point56°
Fri, 1484° / 65°0.02
Morning69°feels 68°
Afternoon78°feels 78°
Evening81°feels 80°
Overnight72°feels 72°
84 °
Portal, Friday, 14 August
Light rain. High 84°, low 65°.
Pressure30.00 inHg
Wind8.1 mph SW
Humidity47%
Visibility—
Dew point54°
Sat, 1587° / 71°0.03
Morning74°feels 73°
Afternoon82°feels 81°
Evening85°feels 82°
Overnight73°feels 73°
87 °
Portal, Saturday, 15 August
Light rain. High 87°, low 71°.
Pressure30.06 inHg
Wind13.4 mph S
Humidity35%
Visibility—
Dew point50°
Sun, 1687° / 70°0
Morning73°feels 73°
Afternoon83°feels 82°
Evening83°feels 82°
Overnight74°feels 74°
87 °
Portal, Sunday, 16 August
Partly cloudy. High 87°, low 70°.
Pressure30.09 inHg
Wind7.7 mph E
Humidity36%
Visibility—
Dew point51°
Mon, 1787° / 69°0.01
Morning73°feels 72°
Afternoon84°feels 82°
Evening86°feels 83°
Overnight75°feels 75°
87 °
Portal, Monday, 17 August
Light rain. High 87°, low 69°.
Pressure30.06 inHg
Wind10.6 mph E
Humidity35%
Visibility—
Dew point51°
Tue, 1890° / 71°0
Morning75°feels 74°
Afternoon86°feels 83°
Evening88°feels 85°
Overnight78°feels 78°
90 °
Portal, Tuesday, 18 August
Clear. High 90°, low 71°.
Pressure30.00 inHg
Wind7.1 mph NE
Humidity28%
Visibility—
Dew point47°
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 Portal, AZ 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.