Allentown weather live forecast

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

Monday
9th Feb
28

9

8

3
Tuesday
10th Feb
34

16

2

2
Wednesday
11th Feb
39

28

2

1
Thursday
12th Feb
34

23

5

2
Friday
13th Feb
32

19

9

3

5-day weather forecast updated at 04:02 on Monday 9th February 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 Monday 9th February 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 28°F, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 9 mph from the west.

28
°F maximum temperature
9
°F minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
cm of snow expected
19
°F wind chill
9
mph wind from W

Allentown weather for Tuesday 10th February 2026

Expect cloudy with sleet or snow in Allentown, Pennsylvania with a maximum temperature of 34°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 20% chance of some sleet or snow and a light breeze of 6 mph from the south.

34
°F maximum temperature
16
°F minimum temperature
cloudy with sleet or snow
2
hours of sunshine
2
UV index (Low)
20
% chance of some sleet or snow
<2
mm of sleet/snow expected
28
°F wind chill
6
mph wind from S

Allentown weather for Wednesday 11th February 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 39°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the west.

39
°F maximum temperature
28
°F minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
32
°F wind chill
12
mph wind from W

Allentown weather for Thursday 12th February 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 34°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the north-west.

34
°F maximum temperature
23
°F minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
25
°F wind chill
12
mph wind from NW

Allentown weather for Friday 13th February 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 32°F, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 9 mph from the north-west.