Currently: 45 °F. Light rain. Low clouds. (Weather station: Janesville / Rock County, USA). See more current weatherFontana Extended Forecast with high and low temperatures
°F
Time
Wind
(mph)
(mph)
Rain/Snow
()
()
Temp
(°F)
(°F)
36
40
44
48
52
56
60
64
68
72
76
May 18 – May 24
1.33
Lo:46
Tue, 20
Hi:54
20
0.34
Lo:46
Wed, 21
Hi:51
8
0.09
Lo:43
Thu, 22
Hi:62
8
Lo:37
Fri, 23
Hi:63
12
0.13
Lo:40
Sat, 24
Hi:63
6
May 25 – May 31
0.37
Lo:43
Sun, 25
Hi:60
9
0.02
Lo:40
Mon, 26
Hi:68
10
0.06
Lo:46
Tue, 27
Hi:61
7
Lo:46
Wed, 28
Hi:65
8
Lo:46
Thu, 29
Hi:71
9
Lo:52
Fri, 30
Hi:72
10
Lo:52
Sat, 31
Hi:76
13
Jun 1 – Jun 7
0.19
Lo:60
Sun, 1
Hi:77
19
0.07
Lo:61
Mon, 2
Hi:78
12
0.08
Lo:58
Tue, 3
Hi:77
9
2 Week Extended Forecast in Fontana, Wisconsin, USA
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Tue May 20 |  | 54 / 46 °F | Heavy rain. Overcast. | 45 °F | 20 mph | ↑ | 85% | 99% | 1.33" | 3 (Moderate) | 5:27 am | 8:14 pm |
| Wed May 21 |  | 51 / 46 °F | Rain. Overcast. | 47 °F | 8 mph | ↑ | 86% | 98% | 0.34" | 3 (Moderate) | 5:26 am | 8:15 pm |
| Thu May 22 | | 62 / 43 °F | Sprinkles. Cloudy. | 60 °F | 8 mph | ↑ | 52% | 57% | 0.09" | 3 (Moderate) | 5:25 am | 8:16 pm |
| Fri May 23 |  | 63 / 37 °F | Increasing cloudiness. | 62 °F | 12 mph | ↑ | 43% | 2% | - | 3 (Moderate) | 5:24 am | 8:17 pm |
| Sat May 24 | | 63 / 40 °F | Sprinkles late. Cloudy. | 62 °F | 6 mph | ↑ | 50% | 57% | 0.13" | 3 (Moderate) | 5:24 am | 8:18 pm |
| Sun May 25 | | 60 / 43 °F | Rain. Overcast. | 56 °F | 9 mph | ↑ | 58% | 66% | 0.37" | 3 (Moderate) | 5:23 am | 8:19 pm |
| Mon May 26 | | 68 / 40 °F | Sprinkles late. Increasing cloudiness. | 67 °F | 10 mph | ↑ | 43% | 17% | 0.02" | 3 (Moderate) | 5:22 am | 8:20 pm |
| Tue May 27 |  | 61 / 46 °F | Isolated tstorms late. Overcast. | 58 °F | 7 mph | ↑ | 64% | 39% | 0.06" | 3 (Moderate) | 5:22 am | 8:21 pm |
| Wed May 28 |  | 65 / 46 °F | Mostly sunny. | 65 °F | 8 mph | ↑ | 59% | 6% | - | 7 (High) | 5:21 am | 8:22 pm |
| Thu May 29 |  | 71 / 46 °F | Sunny. | 77 °F | 9 mph | ↑ | 46% | 4% | - | 7 (High) | 5:20 am | 8:23 pm |
| Fri May 30 | | 72 / 52 °F | Afternoon clouds. | 77 °F | 10 mph | ↑ | 50% | 6% | - | 7 (High) | 5:20 am | 8:23 pm |
| Sat May 31 | | 76 / 52 °F | Scattered clouds. | 78 °F | 13 mph | ↑ | 68% | 6% | - | 5 (Moderate) | 5:19 am | 8:24 pm |
| Sun Jun 1 |  | 77 / 60 °F | Tstorms late. Afternoon clouds. | 79 °F | 19 mph | ↑ | 63% | 85% | 0.19" | 7 (High) | 5:19 am | 8:25 pm |
| Mon Jun 2 |  | 78 / 61 °F | Showers early. Morning clouds. | 79 °F | 12 mph | ↑ | 43% | 52% | 0.07" | 7 (High) | 5:18 am | 8:26 pm |
| Tue Jun 3 | | 77 / 58 °F | Showers late. Increasing cloudiness. | 78 °F | 9 mph | ↑ | 48% | 58% | 0.08" | 3 (Moderate) | 5:18 am | 8:27 pm |
| * Updated Tuesday, May 20, 2025 10:24:07 am Fontana time - Weather by CustomWeather, © 2025 | ||||||||||||