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Weather Harrisburg: Current forecast

Harrisburg / Pennsylvania (PA) / United States

76.8 °F
Feels like 80.6 °F
Min 66 °F / Max 86 °F
Weather Harrisburg: Patchy rain possible, 77 °F Patchy rain possible
6.5 mph N
Wind
9.2 mph N
Gusts
1018 hPa
Pressure
0.1 mm
Precipitation
78 %
Humidity
5
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass Moderate
Mugwort Low
Ragweed Low
06:31 / 19:46
Sunrise / Sunset
20:01 / 07:03
Moonrise / Moonset
Full Moon (98 %)
Moon phase

Updated: Aug 28, 2026, 17:20 CEST Aug 28, 2026, 11:20 EDT

Today's Summary

If you head out in Harrisburg today, you'll see a patchy rain possible sky. The thermometer currently shows 24.9°C. Light clothing is enough – and remember sun protection if it's sunny. During the day temperatures will range between 18.9°C and 30°C.

Hourly forecast – Harrisburg, today

Aug 28, 12:00
83 °F
Patchy rain possible
Harrisburg Aug 28, 12:00: Patchy rain possible, 83 °F
Aug 28, 13:00
83 °F
Patchy rain possible
Harrisburg Aug 28, 13:00: Patchy rain possible, 83 °F
Aug 28, 14:00
84 °F
Patchy rain possible
Harrisburg Aug 28, 14:00: Patchy rain possible, 84 °F
Aug 28, 15:00
78 °F
Overcast
Harrisburg Aug 28, 15:00: Overcast, 78 °F
Aug 28, 16:00
76 °F
Overcast
Harrisburg Aug 28, 16:00: Overcast, 76 °F
Aug 28, 17:00
73 °F
Overcast
Harrisburg Aug 28, 17:00: Overcast, 73 °F
Aug 28, 18:00
72 °F
Overcast
Harrisburg Aug 28, 18:00: Overcast, 72 °F
Aug 28, 19:00
70 °F
Clear
Harrisburg Aug 28, 19:00: Clear, 70 °F
Aug 28, 20:00
68 °F
Clear
Harrisburg Aug 28, 20:00: Clear, 68 °F
Aug 28, 21:00
67 °F
Clear
Harrisburg Aug 28, 21:00: Clear, 67 °F
Aug 28, 22:00
65 °F
Clear
Harrisburg Aug 28, 22:00: Clear, 65 °F
Aug 28, 23:00
64 °F
Clear
Harrisburg Aug 28, 23:00: Clear, 64 °F
Aug 29, 00:00
62 °F
Clear
Harrisburg Aug 29, 00:00: Clear, 62 °F
Aug 29, 01:00
61 °F
Clear
Harrisburg Aug 29, 01:00: Clear, 61 °F
Aug 29, 02:00
60 °F
Clear
Harrisburg Aug 29, 02:00: Clear, 60 °F
Aug 29, 03:00
60 °F
Clear
Harrisburg Aug 29, 03:00: Clear, 60 °F
Aug 29, 04:00
59 °F
Clear
Harrisburg Aug 29, 04:00: Clear, 59 °F
Aug 29, 05:00
58 °F
Sunny
Harrisburg Aug 29, 05:00: Sunny, 58 °F
Aug 29, 06:00
60 °F
Sunny
Harrisburg Aug 29, 06:00: Sunny, 60 °F
Aug 29, 07:00
64 °F
Sunny
Harrisburg Aug 29, 07:00: Sunny, 64 °F
Aug 29, 08:00
68 °F
Sunny
Harrisburg Aug 29, 08:00: Sunny, 68 °F
Aug 29, 09:00
72 °F
Sunny
Harrisburg Aug 29, 09:00: Sunny, 72 °F
Aug 29, 10:00
76 °F
Sunny
Harrisburg Aug 29, 10:00: Sunny, 76 °F
Aug 29, 11:00
78 °F
Sunny
Harrisburg Aug 29, 11:00: Sunny, 78 °F
Time
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
Harrisburg Aug 28, 12:00: Patchy rain possible
Harrisburg Aug 28, 13:00: Patchy rain possible
Harrisburg Aug 28, 14:00: Patchy rain possible
Harrisburg Aug 28, 15:00: Overcast
Harrisburg Aug 28, 16:00: Overcast
Harrisburg Aug 28, 17:00: Overcast
Harrisburg Aug 28, 18:00: Overcast
Harrisburg Aug 28, 19:00: Clear
Harrisburg Aug 28, 20:00: Clear
Harrisburg Aug 28, 21:00: Clear
Harrisburg Aug 28, 22:00: Clear
Harrisburg Aug 28, 23:00: Clear
Harrisburg Aug 29, 00:00: Clear
Harrisburg Aug 29, 01:00: Clear
Harrisburg Aug 29, 02:00: Clear
Harrisburg Aug 29, 03:00: Clear
Harrisburg Aug 29, 04:00: Clear
Harrisburg Aug 29, 05:00: Sunny
Harrisburg Aug 29, 06:00: Sunny
Harrisburg Aug 29, 07:00: Sunny
Harrisburg Aug 29, 08:00: Sunny
Harrisburg Aug 29, 09:00: Sunny
Harrisburg Aug 29, 10:00: Sunny
Harrisburg Aug 29, 11:00: Sunny
Temperature (°F)
Chance of rain (%)
19
17
17
13
15
15
14
6
8
9
10
12
12
12
12
12
11
10
7
3
2
1
1
1
Precipitation
0.1 mm
0.1 mm
0.1 mm
Wind (mph)
N
5
NNW
6
N
5
NE
4
N
7
NNE
8
N
6
NW
4
NNW
5
N
5
N
4
NNW
4
NNW
4
NNW
4
NNW
4
NNW
3
NNW
3
NNW
3
N
3
N
4
NNE
4
NE
2
E
1
SSE
3
Pressure (hPa)
1016
1016
1016
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1023
Humidity (%)
56 %
52 %
48 %
60 %
62 %
63 %
65 %
70 %
78 %
80 %
83 %
87 %
87 %
88 %
88 %
86 %
85 %
83 %
72 %
60 %
51 %
46 %
43 %
43 %
Cloud cover (%)
87 %
86 %
71 %
95 %
100 %
100 %
89 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %

14-day weather forecast – Harrisburg

14-day trend for Harrisburg: Temperatures stay fairly stable over the period with no big swings. Lows can drop to around 14.2°C at night, with daytime highs up to 35.2°C.

Date
Aug 28
Aug 29
Aug 30
Aug 31
Sep 1
Sep 2
Sep 3
Sep 4
Sep 5
Sep 6
Sep 7
Sep 8
Sep 9
Sep 10
Harrisburg August 28, 2026: Patchy rain possible
Harrisburg August 29, 2026: Sunny
Harrisburg August 30, 2026: Overcast
Harrisburg August 31, 2026: Overcast
Harrisburg September 1, 2026: Overcast
Harrisburg September 2, 2026: Thundery outbreaks possible
Harrisburg September 3, 2026: Sunny
Harrisburg September 4, 2026: Sunny
Harrisburg September 5, 2026: Sunny
Harrisburg September 6, 2026: Sunny
Harrisburg September 7, 2026: Mist
Harrisburg September 8, 2026: Overcast
Harrisburg September 9, 2026: Overcast
Harrisburg September 10, 2026: Sunny
Temperature (°F)
Chance of rain (%)
66
5
39
36
66
73
5
5
7
6
59
11
74
73
Precipitation
2 mm
0.6 mm
0.3 mm
1.3 mm
7.5 mm
0 mm
0 mm
0.8 mm
4.6 mm
7.8 mm
Wind max (mph)
8
6
8
11
9
4
15
12
7
6
4
9
4
9
Date Weather Min °F Max °F Sunrise Sunset Moonrise Moonset Moon phase
August 28, 2026 Harrisburg August 28, 2026: Patchy rain possible Patchy rain possible 66 °F 86 °F 06:31 19:46 20:01 07:03 Full Moon (98 %)
August 29, 2026 Harrisburg August 29, 2026: Sunny Sunny 58 °F 80 °F 06:32 19:44 20:21 08:04 Waning Moon (94 %)
August 30, 2026 Harrisburg August 30, 2026: Overcast Overcast 64 °F 89 °F 06:33 19:43 20:41 09:05 Waning Moon (87 %)
August 31, 2026 Harrisburg August 31, 2026: Overcast Overcast 67 °F 88 °F 06:34 19:41 21:04 10:08 Waning Moon (80 %)
September 1, 2026 Harrisburg September 1, 2026: Overcast Overcast 69 °F 88 °F 06:35 19:39 21:30 11:14 Waning Moon (70 %)
September 2, 2026 Harrisburg September 2, 2026: Thundery outbreaks possible Thundery outbreaks possible 72 °F 95 °F 06:36 19:38 22:02 12:22 Last Quarter (60 %)
September 3, 2026 Harrisburg September 3, 2026: Sunny Sunny 76 °F 95 °F 06:37 19:36 22:42 13:32 Last Quarter (50 %)
September 4, 2026 Harrisburg September 4, 2026: Sunny Sunny 71 °F 88 °F 06:38 19:35 23:33 14:41 Last Quarter (39 %)
September 5, 2026 Harrisburg September 5, 2026: Sunny Sunny 65 °F 84 °F 06:38 19:33 Does not rise today 15:45 Waning Crescent (29 %)
September 6, 2026 Harrisburg September 6, 2026: Sunny Sunny 62 °F 81 °F 06:39 19:31 00:35 16:41 Waning Crescent (20 %)
September 7, 2026 Harrisburg September 7, 2026: Mist Mist 60 °F 65 °F 06:40 19:30 01:48 17:26 Waning Crescent (12 %)
September 8, 2026 Harrisburg September 8, 2026: Overcast Overcast 58 °F 80 °F 06:41 19:28 03:07 18:04 Waning Crescent (6 %)
September 9, 2026 Harrisburg September 9, 2026: Overcast Overcast 63 °F 92 °F 06:42 19:26 04:27 18:35 New Moon (2 %)
September 10, 2026 Harrisburg September 10, 2026: Sunny Sunny 73 °F 94 °F 06:43 19:25 05:46 19:02 New Moon (0 %)