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.

Wednesday
4th Feb
-1

-9

9

2
Thursday
5th Feb
-2

-10

10

2
Friday
6th Feb
-2

-13

3

2
Saturday
7th Feb
-5

-15

4

2
Sunday
8th Feb
-8

-16

5

2

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

More about Allentown

Allentown by month

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

Recommended for Pennsylvania

Travelsphere: up to £800 off worldwide holidays

Sale

Save up to £800 per couple on selected worldwide tours
Plus save up to £300 per couple on European tours
Book tours online in Travelsphere New Year sale

Go to Travelsphere deal >>

Expires at 23:59 on Saturday 28th Feb 2026 · View all Travelsphere 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 Wednesday 4th February 2026

Expect scattered clouds in Allentown, Pennsylvania with a maximum temperature of -1°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 9 kph from the north-west.

-1
°C maximum temperature
-9
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-4
°C wind chill
9
kph wind from NW

Allentown weather for Thursday 5th February 2026

Expect clear skies in Allentown, Pennsylvania with a maximum temperature of -2°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 8 kph from the north-west.

-2
°C maximum temperature
-10
°C minimum temperature
clear skies
10
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-5
°C wind chill
8
kph wind from NW

Allentown weather for Friday 6th February 2026

Expect mostly cloudy with light snow in Allentown, Pennsylvania with a maximum temperature of -2°C, 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 11 kph from the south-west.

-2
°C maximum temperature
-13
°C 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
-6
°C wind chill
11
kph 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 -5°C, 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 30 kph from the north-west.

-5
°C maximum temperature
-15
°C 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
-13
°C wind chill
30
kph 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 -8°C, 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 17 kph from the north-west.