Harrisburg weather live forecast

Today's maximum temperature in Harrisburg is expected to be 7°C. Select a day from the live weather forecast for Harrisburg, Pennsylvania, USA for more weather parameters.

Wednesday
17th Dec
7

-5

3

2
Thursday
18th Dec
8

-2

4

2
Friday
19th Dec
10

-2

2

1
Saturday
20th Dec
2

-3

8

1
Sunday
21st Dec
6

-2

7

2

5-day weather forecast updated at 04:00 on Wednesday 17th December 2025 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 17th December 2025

Expect broken clouds in Harrisburg, Pennsylvania with a maximum temperature of 7°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.

7
°C maximum temperature
-5
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
6
kph wind from W

Harrisburg weather for Thursday 18th December 2025

Expect sunshine and showers in Harrisburg, Pennsylvania with a maximum temperature of 8°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and a light breeze of 11 kph from the south-east.

8
°C maximum temperature
-2
°C minimum temperature
sunshine and showers
4
hours of sunshine
2
UV index (Low)
86
% chance of some rain
<10
mm of rainfall expected
6
°C wind chill
11
kph wind from SE

Harrisburg weather for Friday 19th December 2025

Expect mostly cloudy with rain in Harrisburg, Pennsylvania with a maximum temperature of 10°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 18 kph from the west.

10
°C maximum temperature
-2
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
47
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
18
kph wind from W

Harrisburg weather for Saturday 20th December 2025

Expect scattered clouds in Harrisburg, Pennsylvania with a maximum temperature of 2°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

2
°C maximum temperature
-3
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
-1
°C wind chill
11
kph wind from S

Harrisburg weather for Sunday 21st December 2025

Expect scattered clouds in Harrisburg, Pennsylvania with a maximum temperature of 6°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the west.