Harrisburg weather live forecast

Today's maximum temperature in Harrisburg is expected to be 81°F. Select a day from the live weather forecast for Harrisburg, Pennsylvania, USA for more weather parameters.

Friday
28th Aug
81

68

9

6
Saturday
29th Aug
79

64

10

7
Sunday
30th Aug
84

64

4

6
Monday
31st Aug
86

68

4

6
Tuesday
1st Sep
88

73

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 81°F, 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 4 mph from the north.

81
°F maximum temperature
68
°F 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
4
mph wind from N

Harrisburg weather for Saturday 29th August 2026

Expect scattered clouds in Harrisburg, Pennsylvania with a maximum temperature of 79°F, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the north.

79
°F maximum temperature
64
°F minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
79
°F wind chill
4
mph wind from N

Harrisburg weather for Sunday 30th August 2026

Expect broken clouds in Harrisburg, Pennsylvania with a maximum temperature of 84°F, 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 5 mph from the south-west.

84
°F maximum temperature
64
°F minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
5
mph wind from SW

Harrisburg weather for Monday 31st August 2026

Expect broken clouds in Harrisburg, Pennsylvania with a maximum temperature of 86°F, 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 4 mph from the west.

86
°F maximum temperature
68
°F minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
4
mph wind from W

Harrisburg weather for Tuesday 1st September 2026

Expect sunshine and showers in Harrisburg, Pennsylvania with a maximum temperature of 88°F, 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 4 mph from the west.