Currently: 72 °F. Passing clouds. (Weather station: Lambert-St. Louis International Airport, USA). See more current weatherCity of Grafton Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
65
68
71
74
77
80
83
86
89
92
95
98
101
Jun 15 – Jun 21
Lo:70
Tue, 17
Hi:90
3
0.64
Lo:72
Wed, 18
Hi:86
12
Lo:68
Thu, 19
Hi:87
7
Lo:66
Fri, 20
Hi:94
10
Lo:76
Sat, 21
Hi:99
12
Jun 22 – Jun 28
Lo:77
Sun, 22
Hi:101
8
Lo:76
Mon, 23
Hi:96
8
Lo:77
Tue, 24
Hi:92
6
0.25
Lo:77
Wed, 25
Hi:93
5
0.02
Lo:76
Thu, 26
Hi:93
6
0.32
Lo:76
Fri, 27
Hi:92
8
0.16
Lo:76
Sat, 28
Hi:92
4
Jun 29 – Jul 5
0.05
Lo:76
Sun, 29
Hi:92
5
0.03
Lo:76
Mon, 30
Hi:93
4
0.24
Lo:78
Tue, 1
Hi:95
4
2 Week Extended Forecast in City of Grafton, Illinois, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Tue Jun 17 |  | 90 / 70 °F | Broken clouds. | 92 °F | 3 mph | ↑ | 50% | 5% | 0.00" | 7 (High) | 5:35 am | 8:29 pm |
| Wed Jun 18 |  | 86 / 72 °F | Thunderstorms. Overcast. | 89 °F | 12 mph | ↑ | 59% | 89% | 0.64" | 3 (Moderate) | 5:35 am | 8:30 pm |
| Thu Jun 19 |  | 87 / 68 °F | Scattered clouds. | 85 °F | 7 mph | ↑ | 43% | 2% | 0.00" | 10 (Very high) | 5:36 am | 8:30 pm |
| Fri Jun 20 |  | 94 / 66 °F | Morning clouds. | 93 °F | 10 mph | ↑ | 37% | 0% | 0.00" | 7 (High) | 5:36 am | 8:30 pm |
| Sat Jun 21 |  | 99 / 76 °F | Sunny. | 102 °F | 12 mph | ↑ | 37% | 0% | 0.00" | 10 (Very high) | 5:36 am | 8:30 pm |
| Sun Jun 22 | | 101 / 77 °F | Increasing cloudiness. | 102 °F | 8 mph | ↑ | 31% | 0% | 0.00" | 10 (Very high) | 5:36 am | 8:30 pm |
| Mon Jun 23 |  | 96 / 76 °F | Showers late. Mostly sunny. | 99 °F | 8 mph | ↑ | 41% | 14% | 0.00" | 10 (Very high) | 5:36 am | 8:31 pm |
| Tue Jun 24 | | 92 / 77 °F | Mostly sunny. | 94 °F | 6 mph | ↑ | 38% | 4% | 0.00" | 10 (Very high) | 5:37 am | 8:31 pm |
| Wed Jun 25 | | 93 / 77 °F | Tstorms late. Mostly sunny. | 98 °F | 5 mph | ↑ | 46% | 86% | 0.25" | 10 (Very high) | 5:37 am | 8:31 pm |
| Thu Jun 26 |  | 93 / 76 °F | Isolated tstorms late. Increasing cloudiness. | 95 °F | 6 mph | ↑ | 41% | 41% | 0.02" | 10 (Very high) | 5:37 am | 8:31 pm |
| Fri Jun 27 | | 92 / 76 °F | Tstorms late. Afternoon clouds. | 95 °F | 8 mph | ↑ | 42% | 99% | 0.32" | 7 (High) | 5:38 am | 8:31 pm |
| Sat Jun 28 | | 92 / 76 °F | Isolated tstorms late. Broken clouds. | 101 °F | 4 mph | ↑ | 54% | 60% | 0.16" | 10 (Very high) | 5:38 am | 8:31 pm |
| Sun Jun 29 | | 92 / 76 °F | Isolated tstorms. Breaks of sun late. | 96 °F | 5 mph | ↑ | 45% | 51% | 0.05" | 5 (Moderate) | 5:39 am | 8:31 pm |
| Mon Jun 30 | | 93 / 76 °F | Isolated tstorms late. Mostly sunny. | 97 °F | 4 mph | ↑ | 44% | 46% | 0.03" | 7 (High) | 5:39 am | 8:31 pm |
| Tue Jul 1 | | 95 / 78 °F | Tstorms late. Afternoon clouds. | 103 °F | 4 mph | ↑ | 47% | 95% | 0.24" | 7 (High) | 5:40 am | 8:31 pm |
| * Updated Monday, June 16, 2025 9:04:19 pm City of Grafton time - Weather by CustomWeather, © 2025 | ||||||||||||