Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be 14°C. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

Thursday
9th Apr
14

1

8

6
Friday
10th Apr
19

3

12

6
Saturday
11th Apr
16

7

12

6
Sunday
12th Apr
17

5

9

6
Monday
13th Apr
25

9

2

2

5-day weather forecast updated at 04:01 on Thursday 9th April 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 Thursday 9th April 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 14°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.

14
°C maximum temperature
1
°C minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
14
°C wind chill
12
kph wind from S

Allentown weather for Friday 10th April 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 19°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

19
°C maximum temperature
3
°C minimum temperature
scattered clouds
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
19
°C wind chill
14
kph wind from S

Allentown weather for Saturday 11th April 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 16°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

16
°C maximum temperature
7
°C minimum temperature
scattered clouds
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NW

Allentown weather for Sunday 12th April 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 17°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

17
°C maximum temperature
5
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from S

Allentown weather for Monday 13th April 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 25°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.