Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be 16°F. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

Friday
30th Jan
16

0

6

2
Saturday
31st Jan
21

-4

1

2
Sunday
1st Feb
21

7

1

2
Monday
2nd Feb
28

10

10

2
Tuesday
3rd Feb
30

9

5

2

5-day weather forecast updated at 15:56 on Friday 30th January 2026 GMT

More about Allentown

Allentown by month

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

Recommended for Pennsylvania

Travelbag: up to 50% off 2026 holidays

Sale

Save up to 50% on 2026 holidays & tours with Travelbag
Book selected stays in popular destinations around the world
Travel before 31st December 2026 (inclusive)

Go to Travelbag deal >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all Travelbag offers

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 30th January 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 16°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 11 mph from the west.

16
°F maximum temperature
0
°F minimum temperature
scattered clouds
6
hours of sunshine
2
UV index (Low)
0
cm of snow expected
1
°F wind chill
11
mph wind from W

Allentown weather for Saturday 31st January 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 21°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 9 mph from the north.

21
°F maximum temperature
-4
°F minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
cm of snow expected
10
°F wind chill
9
mph wind from N

Allentown weather for Sunday 1st February 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 21°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 14 mph from the north-west.

21
°F maximum temperature
7
°F minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
cm of snow expected
9
°F wind chill
14
mph wind from NW

Allentown weather for Monday 2nd 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 gentle breeze of 11 mph from the north-west.

28
°F maximum temperature
10
°F minimum temperature
clear skies
10
hours of sunshine
2
UV index (Low)
0
cm of snow expected
19
°F wind chill
11
mph wind from NW

Allentown weather for Tuesday 3rd February 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 30°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 mph from the west.