Harrisburg weather live forecast

Today's maximum temperature in Harrisburg is expected to be 19°C. Select a day from the live weather forecast for Harrisburg, Pennsylvania, USA for more weather parameters.

Monday
21st Sep
19

14

2

4
Tuesday
22nd Sep
15

13

0

3
Wednesday
23rd Sep
16

12

1

5
Thursday
24th Sep
18

11

6

4
Friday
25th Sep
20

10

2

5

5-day weather forecast updated at 04:02 on Monday 21st 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 Monday 21st September 2026

Expect mostly cloudy with rain in Harrisburg, Pennsylvania with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a light breeze of 9 kph from the north-east.

19
°C maximum temperature
14
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
4
UV index (Moderate)
90
% chance of some rain
<20
mm of rainfall expected
19
°C wind chill
9
kph wind from NE

Harrisburg weather for Tuesday 22nd September 2026

Expect cloudy with some rain in Harrisburg, Pennsylvania with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 85% chance of some rain and a light breeze of 11 kph from the north-east.

15
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
85
% chance of some rain
<30
mm of rainfall expected
15
°C wind chill
11
kph wind from NE

Harrisburg weather for Wednesday 23rd September 2026

Expect broken clouds in Harrisburg, Pennsylvania with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

16
°C maximum temperature
12
°C minimum temperature
broken clouds
1
hour of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
13
kph wind from NE

Harrisburg weather for Thursday 24th September 2026

Expect broken clouds in Harrisburg, Pennsylvania with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

18
°C maximum temperature
11
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from NE

Harrisburg weather for Friday 25th September 2026

Expect broken clouds in Harrisburg, Pennsylvania with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.