10-day forecast for Allentown, NJ: 56° to 91°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Monday, August 10
86° · 0.09 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 72°0
Morning76°feels 77°
Afternoon89°feels 87°
Evening79°feels 79°
Overnight73°feels 73°
90 °
Allentown, Monday, 10 August
Clear. High 90°, low 72°.
Pressure29.97 inHg
Wind6.8 mph W
Humidity34%
Visibility6.2 mi
Dew point59°
Tue, 1191° / 72°0.01
Morning76°feels 76°
Afternoon90°feels 91°
Evening79°feels 79°
Overnight75°feels 76°
91 °
Allentown, Tuesday, 11 August
Light rain. High 91°, low 72°.
Pressure29.85 inHg
Wind11.1 mph NW
Humidity52%
Visibility6.2 mi
Dew point66°
Wed, 1285° / 72°0
Morning75°feels 75°
Afternoon85°feels 87°
Evening81°feels 82°
Overnight73°feels 73°
85 °
Allentown, Wednesday, 12 August
Overcast. High 85°, low 72°.
Pressure29.74 inHg
Wind11 mph W
Humidity50%
Visibility6.2 mi
Dew point65°
Thu, 1386° / 67°0.09
Morning70°feels 71°
Afternoon84°feels 83°
Evening73°feels 72°
Overnight72°feels 73°
86 °
Allentown, Thursday, 13 August
Light rain. High 86°, low 67°.
Pressure29.74 inHg
Wind16.1 mph NW
Humidity39%
Visibility—
Dew point56°
Fri, 1478° / 58°0
Morning67°feels 66°
Afternoon76°feels 75°
Evening67°feels 66°
Overnight61°feels 59°
78 °
Allentown, Friday, 14 August
Partly cloudy. High 78°, low 58°.
Pressure30.00 inHg
Wind15.3 mph NW
Humidity33%
Visibility—
Dew point44°
Sat, 1580° / 56°0
Morning66°feels 65°
Afternoon77°feels 76°
Evening68°feels 67°
Overnight61°feels 60°
80 °
Allentown, Saturday, 15 August
Clear. High 80°, low 56°.
Pressure30.09 inHg
Wind14.4 mph NW
Humidity31%
Visibility—
Dew point43°
Sun, 1681° / 56°0
Morning69°feels 67°
Afternoon79°feels 78°
Evening69°feels 68°
Overnight64°feels 63°
81 °
Allentown, Sunday, 16 August
Overcast. High 81°, low 56°.
Pressure30.12 inHg
Wind8.6 mph NW
Humidity26%
Visibility—
Dew point41°
Mon, 1783° / 60°0
Morning71°feels 70°
Afternoon79°feels 78°
Evening70°feels 70°
Overnight66°feels 65°
83 °
Allentown, Monday, 17 August
Overcast. High 83°, low 60°.
Pressure29.97 inHg
Wind10.5 mph SW
Humidity32%
Visibility—
Dew point47°
Tue, 1888° / 63°0
Morning74°feels 74°
Afternoon86°feels 84°
Evening72°feels 72°
Overnight69°feels 69°
88 °
Allentown, Tuesday, 18 August
Mostly clear. High 88°, low 63°.
Pressure30.00 inHg
Wind10.9 mph SE
Humidity34%
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 Allentown, NJ 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.