Harrisburg weather live forecast

Today's maximum temperature in Harrisburg is expected to be 35°C. Select a day from the live weather forecast for Harrisburg, Pennsylvania, USA for more weather parameters.

Tuesday
19th May
35

23

11

UV8
Wednesday
20th May
29

18

6

UV8
Thursday
21st May
21

14

0

UV8
Friday
22nd May
18

11

0

UV2
Saturday
23rd May
13

10

0

UV0

5-day weather forecast updated at 04:00 on Tuesday 19th 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 Tuesday 19th May 2026

Expect scattered clouds in Harrisburg, Pennsylvania with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

35
°C maximum temperature
23
°C minimum temperature
scattered clouds
11
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
14
kph wind from W

Harrisburg weather for Wednesday 20th May 2026

Expect sunshine and showers in Harrisburg, Pennsylvania with a maximum temperature of 29°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 66% chance of some rain and a gentle breeze of 15 kph from the west.

29
°C maximum temperature
18
°C minimum temperature
sunshine and showers
6
hours of sunshine
UV8
UV index (Very High)
66
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from W

Harrisburg weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in Harrisburg, Pennsylvania with a maximum temperature of 21°C, maximum UV of 8 (Very High) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 13 kph from the north.

21
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
UV8
UV index (Very High)
35
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
13
kph wind from N

Harrisburg weather for Friday 22nd May 2026

Expect overcast with light rain in Harrisburg, Pennsylvania with a maximum temperature of 18°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a light breeze of 12 kph from the south-east.

18
°C maximum temperature
11
°C minimum temperature
overcast with light rain
0
hours of sunshine
UV2
UV index (Low)
80
% chance of some rain
<20
mm of rainfall expected
18
°C wind chill
12
kph wind from SE

Harrisburg weather for Saturday 23rd May 2026

Expect cloudy with some rain in Harrisburg, Pennsylvania with a maximum temperature of 13°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and a light breeze of 12 kph from the east.