Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be 28°C. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

Wednesday
8th Jul
28

19

11

7
Thursday
9th Jul
27

20

6

5
Friday
10th Jul
29

22

8

7
Saturday
11th Jul
27

20

1

7
Sunday
12th Jul
28

18

5

8

5-day weather forecast updated at 04:01 on Wednesday 8th July 2026 GMT

More about Allentown

Allentown by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Pennsylvania

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

The 5-day weather forecast for Pennsylvania (Allentown) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Allentown weather forecast by day

Below are the detailed weather forecasts for Allentown for the next 5 days.

Allentown weather for Wednesday 8th July 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-west.

28
°C maximum temperature
19
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
7
kph wind from SW

Allentown weather for Thursday 9th July 2026

Expect isolated thunderstorms in Allentown, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a light breeze of 11 kph from the south-west.

27
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
70
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
11
kph wind from SW

Allentown weather for Friday 10th July 2026

Expect isolated thunderstorms in Allentown, Pennsylvania with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 65% chance of some rain and a light breeze of 11 kph from the west.

29
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
7
UV index (High)
65
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from W

Allentown weather for Saturday 11th July 2026

Expect isolated thunderstorms in Allentown, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 8 kph from the north.

27
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
7
UV index (High)
25
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
8
kph wind from N

Allentown weather for Sunday 12th July 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.