Harrisburg weather live forecast

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

Wednesday
9th Sep
30

18

8

5
Thursday
10th Sep
27

21

1

3
Friday
11th Sep
24

17

1

7
Saturday
12th Sep
23

16

1

3
Sunday
13th Sep
26

20

6

4

5-day weather forecast updated at 04:00 on Wednesday 9th September 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 Wednesday 9th September 2026

Expect scattered clouds in Harrisburg, Pennsylvania with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

30
°C maximum temperature
18
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from SW

Harrisburg weather for Thursday 10th September 2026

Expect isolated thunderstorms in Harrisburg, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a light breeze of 10 kph from the west.

27
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
3
UV index (Moderate)
67
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
10
kph wind from W

Harrisburg weather for Friday 11th September 2026

Expect mostly cloudy with light rain in Harrisburg, Pennsylvania with a maximum temperature of 24°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a light breeze of 7 kph from the north.

24
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
7
UV index (High)
9
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
7
kph wind from N

Harrisburg weather for Saturday 12th September 2026

Expect mostly cloudy with light rain in Harrisburg, Pennsylvania with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 30% chance of some rain and a light breeze of 10 kph from the south-east.

23
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
3
UV index (Moderate)
30
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
10
kph wind from SE

Harrisburg weather for Sunday 13th September 2026

Expect sunshine and showers in Harrisburg, Pennsylvania with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and little or no wind of 5 kph from the south.