Harrisburg weather live forecast

Today's maximum temperature in Harrisburg is expected to be 31°C. Select a day from the live weather forecast for Harrisburg, Pennsylvania, USA for more weather parameters.

Sunday
30th Aug
31

19

4

6
Monday
31st Aug
28

22

2

7
Tuesday
1st Sep
34

22

5

7
Wednesday
2nd Sep
32

24

6

7
Thursday
3rd Sep
33

23

7

7

5-day weather forecast updated at 04:00 on Sunday 30th August 2026 GMT

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The 5-day weather forecast for Pennsylvania (Harrisburg) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Harrisburg weather forecast by day

Below are the detailed weather forecasts for Harrisburg for the next 5 days.

Harrisburg weather for Sunday 30th August 2026

Expect isolated thunderstorms in Harrisburg, Pennsylvania with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a light breeze of 9 kph from the south-west.

31
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
24
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from SW

Harrisburg weather for Monday 31st August 2026

Expect broken clouds in Harrisburg, Pennsylvania with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-east.

28
°C maximum temperature
22
°C minimum temperature
broken clouds
2
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
5
kph wind from SE

Harrisburg weather for Tuesday 1st September 2026

Expect isolated thunderstorms in Harrisburg, Pennsylvania with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a light breeze of 11 kph from the west.

34
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
23
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
11
kph wind from W

Harrisburg weather for Wednesday 2nd September 2026

Expect sunshine and showers in Harrisburg, Pennsylvania with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and little or no wind of 6 kph from the south-west.

32
°C maximum temperature
24
°C minimum temperature
sunshine and showers
6
hours of sunshine
7
UV index (High)
76
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
6
kph wind from SW

Harrisburg weather for Thursday 3rd September 2026

Expect sunshine and showers in Harrisburg, Pennsylvania with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and a light breeze of 8 kph from the west.