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.

Thursday
18th Jun
31

22

6

8
Friday
19th Jun
27

19

11

7
Saturday
20th Jun
27

18

10

8
Sunday
21st Jun
27

17

7

7
Monday
22nd Jun
26

18

3

7

5-day weather forecast updated at 04:00 on Thursday 18th June 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 Thursday 18th June 2026

Expect isolated thunderstorms in Harrisburg, Pennsylvania with a maximum temperature of 31°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 49% chance of some rain and a moderate breeze of 23 kph from the west.

31
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
49
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from W

Harrisburg weather for Friday 19th June 2026

Expect scattered clouds in Harrisburg, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.

27
°C maximum temperature
19
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from W

Harrisburg weather for Saturday 20th June 2026

Expect scattered clouds in Harrisburg, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

27
°C maximum temperature
18
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from NW

Harrisburg weather for Sunday 21st June 2026

Expect sunshine and showers in Harrisburg, Pennsylvania with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a light breeze of 9 kph from the west.

27
°C maximum temperature
17
°C minimum temperature
sunshine and showers
7
hours of sunshine
7
UV index (High)
45
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
9
kph wind from W

Harrisburg weather for Monday 22nd June 2026

Expect isolated thunderstorms in Harrisburg, Pennsylvania with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 40-50 mm of rainfall expected with 72% chance of some rain and a light breeze of 11 kph from the north-west.