10-day forecast for Port Royal, PA: 52° to 87°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
82°
Best day: Tuesday, August 18
82° · 0.38 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 68°0.07
Morning73°feels 74°
Afternoon78°feels 79°
Evening80°feels 84°
Overnight69°feels 70°
87 °
Port Royal, Monday, 10 August
Light rain. High 87°, low 68°.
Pressure30.00 inHg
Wind6.1 mph W
Humidity58%
Visibility6.2 mi
Dew point65°
Tue, 1182° / 66°0.38
Morning69°feels 70°
Afternoon81°feels 83°
Evening73°feels 74°
Overnight72°feels 73°
82 °
Port Royal, Tuesday, 11 August
Heavy rain. High 82°, low 66°.
Pressure29.94 inHg
Wind8 mph NW
Humidity75%
Visibility6.2 mi
Dew point65°
Wed, 1281° / 64°0.06
Morning69°feels 69°
Afternoon81°feels 83°
Evening72°feels 73°
Overnight67°feels 67°
81 °
Port Royal, Wednesday, 12 August
Light rain. High 81°, low 64°.
Pressure29.85 inHg
Wind2.3 mph W
Humidity83%
Visibility6.2 mi
Dew point66°
Thu, 1380° / 67°0
Morning70°feels 71°
Afternoon79°feels 78°
Evening70°feels 69°
Overnight69°feels 71°
80 °
Port Royal, Thursday, 13 August
Overcast. High 80°, low 67°.
Pressure29.88 inHg
Wind12.6 mph NW
Humidity34%
Visibility—
Dew point48°
Fri, 1476° / 58°0
Morning63°feels 62°
Afternoon68°feels 67°
Evening67°feels 67°
Overnight60°feels 59°
76 °
Port Royal, Friday, 14 August
Overcast. High 76°, low 58°.
Pressure30.06 inHg
Wind5.6 mph W
Humidity58%
Visibility—
Dew point51°
Sat, 1574° / 53°0
Morning62°feels 61°
Afternoon72°feels 71°
Evening62°feels 60°
Overnight57°feels 56°
74 °
Port Royal, Saturday, 15 August
Overcast. High 74°, low 53°.
Pressure30.21 inHg
Wind8.9 mph N
Humidity38%
Visibility—
Dew point44°
Sun, 1665° / 52°0.01
Morning59°feels 58°
Afternoon64°feels 64°
Evening61°feels 60°
Overnight59°feels 59°
65 °
Port Royal, Sunday, 16 August
Light rain. High 65°, low 52°.
Pressure30.18 inHg
Wind2.8 mph S
Humidity64%
Visibility—
Dew point51°
Mon, 1775° / 58°0
Morning65°feels 65°
Afternoon74°feels 74°
Evening69°feels 70°
Overnight66°feels 66°
75 °
Port Royal, Monday, 17 August
Light rain. High 75°, low 58°.
Pressure29.91 inHg
Wind6.1 mph W
Humidity62%
Visibility—
Dew point59°
Tue, 1882° / 57°0
Morning68°feels 67°
Afternoon80°feels 80°
Evening69°feels 69°
Overnight65°feels 65°
82 °
Port Royal, Tuesday, 18 August
Overcast. High 82°, low 57°.
Pressure29.97 inHg
Wind3.1 mph NW
Humidity41%
Visibility—
Dew point54°
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 Royal, PA 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.