Allentown weather live forecast

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

Wednesday
4th Feb
30

16

9

2
Thursday
5th Feb
28

14

10

2
Friday
6th Feb
28

9

3

2
Saturday
7th Feb
23

5

4

2
Sunday
8th Feb
18

3

5

2

5-day weather forecast updated at 04:02 on Wednesday 4th 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 Wednesday 4th February 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 30°F, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 6 mph from the north-west.

30
°F maximum temperature
16
°F minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
cm of snow expected
25
°F wind chill
6
mph wind from NW

Allentown weather for Thursday 5th February 2026

Expect clear skies in Allentown, Pennsylvania with a maximum temperature of 28°F, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 5 mph from the north-west.

28
°F maximum temperature
14
°F minimum temperature
clear skies
10
hours of sunshine
2
UV index (Low)
0
cm of snow expected
23
°F wind chill
5
mph wind from NW

Allentown weather for Friday 6th February 2026

Expect mostly cloudy with light snow in Allentown, Pennsylvania with a maximum temperature of 28°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 77% chance of some snow and a light breeze of 7 mph from the south-west.

28
°F maximum temperature
9
°F minimum temperature
mostly cloudy with light snow
3
hours of sunshine
2
UV index (Low)
77
% chance of some snow
<2
cm of snow expected
21
°F wind chill
7
mph wind from SW

Allentown weather for Saturday 7th February 2026

Expect clear skies with flurries of snow in Allentown, Pennsylvania with a maximum temperature of 23°F, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 cm of snow expected with 8% chance of some snow and a fresh breeze of 19 mph from the north-west.

23
°F maximum temperature
5
°F minimum temperature
clear skies with flurries of snow
4
hours of sunshine
2
UV index (Low)
8
% chance of some snow
<2
cm of snow expected
9
°F wind chill
19
mph wind from NW

Allentown weather for Sunday 8th February 2026

Expect clear skies with flurries of snow in Allentown, Pennsylvania with a maximum temperature of 18°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 cm of snow expected with 25% chance of some snow and a gentle breeze of 11 mph from the north-west.