Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be 30°C. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

Friday
10th Jul
30

21

5

6
Saturday
11th Jul
28

21

8

5
Sunday
12th Jul
29

19

7

8
Monday
13th Jul
29

19

8

8
Tuesday
14th Jul
32

19

14

8

5-day weather forecast updated at 04:01 on Friday 10th July 2026 GMT

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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 Friday 10th July 2026

Expect isolated thunderstorms in Allentown, Pennsylvania with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and a light breeze of 11 kph from the west.

30
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
57
% chance of some rain
<5
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 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a light breeze of 9 kph from the north-east.

28
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
5
UV index (Moderate)
45
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
9
kph wind from NE

Allentown weather for Sunday 12th July 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.

29
°C maximum temperature
19
°C minimum temperature
broken clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
8
kph wind from NE

Allentown weather for Monday 13th July 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

29
°C maximum temperature
19
°C minimum temperature
broken clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from SW

Allentown weather for Tuesday 14th July 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.