Harrisburg weather live forecast

Today's maximum temperature in Harrisburg is expected to be 27°C. Select a day from the live weather forecast for Harrisburg, Pennsylvania, USA for more weather parameters.

Friday
28th Aug
27

20

9

6
Saturday
29th Aug
26

18

10

7
Sunday
30th Aug
29

18

4

6
Monday
31st Aug
30

20

4

6
Tuesday
1st Sep
31

23

9

7

5-day weather forecast updated at 04:00 on Friday 28th 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 Friday 28th August 2026

Expect isolated thunderstorms in Harrisburg, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and a light breeze of 7 kph from the north.

27
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
6
UV index (High)
6
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
7
kph wind from N

Harrisburg weather for Saturday 29th August 2026

Expect scattered clouds in Harrisburg, Pennsylvania with a maximum temperature of 26°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north.

26
°C maximum temperature
18
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
26
°C wind chill
6
kph wind from N

Harrisburg weather for Sunday 30th August 2026

Expect broken clouds in Harrisburg, Pennsylvania with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

29
°C maximum temperature
18
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from SW

Harrisburg weather for Monday 31st August 2026

Expect broken clouds in Harrisburg, Pennsylvania with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.

30
°C maximum temperature
20
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
6
kph wind from W

Harrisburg weather for Tuesday 1st September 2026

Expect sunshine and showers in Harrisburg, Pennsylvania with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 5-10 mm of rainfall expected with 34% chance of some rain and little or no wind of 6 kph from the west.