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.

Saturday
16th May
27

13

12

8
Sunday
17th May
28

18

8

7
Monday
18th May
33

19

12

8
Tuesday
19th May
34

20

11

8
Wednesday
20th May
32

22

6

8

5-day weather forecast updated at 04:00 on Saturday 16th May 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 Saturday 16th May 2026

Expect isolated thunderstorms in Harrisburg, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 12 kph from the south-west.

27
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
12
hours of sunshine
8
UV index (Very High)
25
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
kph wind from SW

Harrisburg weather for Sunday 17th May 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 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the west.

28
°C maximum temperature
18
°C minimum temperature
broken clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
7
kph wind from W

Harrisburg weather for Monday 18th May 2026

Expect scattered clouds in Harrisburg, Pennsylvania with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

33
°C maximum temperature
19
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
11
kph wind from S

Harrisburg weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Harrisburg, Pennsylvania with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a light breeze of 11 kph from the south-west.

34
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
8
UV index (Very High)
39
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
11
kph wind from SW

Harrisburg weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Harrisburg, Pennsylvania with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a light breeze of 12 kph from the west.