Allentown weather live forecast

Today's maximum temperature in Allentown is expected to be 1°C. Select a day from the live weather forecast for Allentown, Pennsylvania, USA for more weather parameters.

Friday
13th Feb
1

-6

10

3
Saturday
14th Feb
5

-4

4

2
Sunday
15th Feb
4

-4

9

3
Monday
16th Feb
5

-1

7

2
Tuesday
17th Feb
9

2

7

3

5-day weather forecast updated at 04:01 on Friday 13th 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 Friday 13th February 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of 1°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

1
°C maximum temperature
-6
°C minimum temperature
scattered clouds
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
-2
°C wind chill
13
kph wind from NW

Allentown weather for Saturday 14th February 2026

Expect broken clouds in Allentown, Pennsylvania with a maximum temperature of 5°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

5
°C maximum temperature
-4
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
13
kph wind from W

Allentown weather for Sunday 15th February 2026

Expect clear skies with flurries of snow in Allentown, Pennsylvania with a maximum temperature of 4°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 2-5 cm of snow expected with 30% chance of some snow and a light breeze of 7 kph from the east.

4
°C maximum temperature
-4
°C minimum temperature
clear skies with flurries of snow
9
hours of sunshine
3
UV index (Moderate)
30
% chance of some snow
<5
cm of snow expected
2
°C wind chill
7
kph wind from E

Allentown weather for Monday 16th February 2026

Expect sunshine and showers in Allentown, Pennsylvania with a maximum temperature of 5°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 7 kph from the north-east.

5
°C maximum temperature
-1
°C minimum temperature
sunshine and showers
7
hours of sunshine
2
UV index (Low)
25
% chance of some rain
<2
mm of rainfall expected
3
°C wind chill
7
kph wind from NE

Allentown weather for Tuesday 17th February 2026

Expect sunshine and showers in Allentown, Pennsylvania with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a light breeze of 9 kph from the west.