Currently: 57 °F. Passing clouds. (Weather station: Southern Illinois Airport, USA). See more current weatherHarrisburg Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
42
45
48
51
54
57
60
63
66
69
72
75
Apr 27 – May 3
0.19
Lo:51
Sat, 3
Hi:62
11
May 4 – May 10
0.22
Lo:47
Sun, 4
Hi:56
8
0.04
Lo:45
Mon, 5
Hi:59
7
Lo:43
Tue, 6
Hi:71
5
0.29
Lo:54
Wed, 7
Hi:60
5
0.04
Lo:54
Thu, 8
Hi:70
9
0.59
Lo:58
Fri, 9
Hi:73
8
0.68
Lo:57
Sat, 10
Hi:72
6
May 11 – May 17
0.13
Lo:56
Sun, 11
Hi:72
8
0.17
Lo:58
Mon, 12
Hi:72
8
0.07
Lo:58
Tue, 13
Hi:74
9
Lo:58
Wed, 14
Hi:74
7
Lo:59
Thu, 15
Hi:75
4
Lo:59
Fri, 16
Hi:75
1
Lo:59
Sat, 17
Hi:76
6
2 Week Extended Forecast in Harrisburg, Illinois, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Sat May 3 |  | 62 / 51 °F | Light showers. Cloudy. | 61 °F | 11 mph | ↑ | 73% | 45% | 0.19" | 3 (Moderate) | 5:55 am | 7:46 pm |
| Sun May 4 | | 56 / 47 °F | Light showers. Overcast. | 53 °F | 8 mph | ↑ | 74% | 62% | 0.22" | 3 (Moderate) | 5:54 am | 7:47 pm |
| Mon May 5 |  | 59 / 45 °F | Drizzle. Overcast. | 56 °F | 7 mph | ↑ | 69% | 23% | 0.04" | 3 (Moderate) | 5:53 am | 7:48 pm |
| Tue May 6 |  | 71 / 43 °F | Increasing cloudiness. | 70 °F | 5 mph | ↑ | 51% | 2% | - | 3 (Moderate) | 5:52 am | 7:49 pm |
| Wed May 7 | | 60 / 54 °F | Rain showers. Overcast. | 58 °F | 5 mph | ↑ | 93% | 57% | 0.29" | 3 (Moderate) | 5:51 am | 7:50 pm |
| Thu May 8 | | 70 / 54 °F | Showers late. Cloudy. | 69 °F | 9 mph | ↑ | 73% | 23% | 0.04" | 3 (Moderate) | 5:50 am | 7:51 pm |
| Fri May 9 |  | 73 / 58 °F | Thunderstorms. Overcast. | 72 °F | 8 mph | ↑ | 79% | 64% | 0.59" | 3 (Moderate) | 5:49 am | 7:52 pm |
| Sat May 10 | | 72 / 57 °F | Thunderstorms. Overcast. | 71 °F | 6 mph | ↑ | 85% | 99% | 0.68" | 3 (Moderate) | 5:48 am | 7:52 pm |
| Sun May 11 | | 72 / 56 °F | Showers late. Overcast. | 72 °F | 8 mph | ↑ | 80% | 64% | 0.13" | 3 (Moderate) | 5:47 am | 7:53 pm |
| Mon May 12 | | 72 / 58 °F | Thunderstorms. Overcast. | 72 °F | 8 mph | ↑ | 81% | 92% | 0.17" | 3 (Moderate) | 5:46 am | 7:54 pm |
| Tue May 13 | | 74 / 58 °F | Passing showers. Cloudy. | 74 °F | 9 mph | ↑ | 78% | 54% | 0.07" | 5 (Moderate) | 5:45 am | 7:55 pm |
| Wed May 14 |  | 74 / 58 °F | Scattered clouds. | 77 °F | 7 mph | ↑ | 62% | 6% | - | 5 (Moderate) | 5:44 am | 7:56 pm |
| Thu May 15 |  | 75 / 59 °F | Sunny. | 77 °F | 4 mph | ↑ | 54% | 4% | - | 7 (High) | 5:44 am | 7:57 pm |
| Fri May 16 | | 75 / 59 °F | Sunny. | 78 °F | 1 mph | ↑ | 53% | 3% | - | 7 (High) | 5:43 am | 7:58 pm |
| Sat May 17 | | 76 / 59 °F | Sunny. | 78 °F | 6 mph | ↑ | 54% | 5% | - | 7 (High) | 5:42 am | 7:59 pm |
| * Updated Friday, May 2, 2025 10:24:05 pm Harrisburg time - Weather by CustomWeather, © 2025 | ||||||||||||