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 Janesville Weather Forecast Summary |
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Today
Jun 13th
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Sunday
Jun 14th
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Monday
Jun 15th
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Tuesday
Jun 16th
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Wednesday
Jun 17th
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Mostly Sunny |
Sunny |
Mix of Sun and Cloud |
Mix of Cloud and Sun |
Mostly Cloudy |
79°F
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68°F
51°F |
71°F
52°F |
76°F
55°F |
70°F
59°F |
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| Janesville Detailed Weather Forecast |
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| Saturday, June 13th, 2026 |
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Evening |
Temperature: 64°F |
| Clear with cloudy periods with a chance of showers. Windy at times. |
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| Sunday, June 14th, 2026 |
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Overnight |
Temperature: 53°F |
| Clear with a slight chance of showers. Windy at times. |
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Morning |
Temperature: 55°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 66°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 61°F |
| Clear. |
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| Monday, June 15th, 2026 |
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Overnight |
Temperature: 55°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 59°F |
| Mostly sunny. |
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Afternoon |
Temperature: 71°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 62°F |
| A mix of cloudy and clear skies. Slight chance of a thunderstorm. |
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| Tuesday, June 16th, 2026 |
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Overnight |
Temperature: 57°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 61°F |
| Sunny. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 75°F |
| Sunny with cloudy periods. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 67°F |
| Cloudy with a chance of showers or thundershowers. Windy. |
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| Wednesday, June 17th, 2026 |
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Overnight |
Temperature: 59°F |
| Cloudy with a chance of showers. |
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Morning |
Temperature: 62°F |
| A mix of sun and cloud with a slight chance of showers. |
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Afternoon |
Temperature: 69°F |
| Cloudy with sunny periods with a slight chance of showers. |
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Evening |
Temperature: 60°F |
| A mix of cloudy and clear skies with a chance of showers. |
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| Thursday, June 18th, 2026 |
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Overnight |
Temperature: 54°F |
| Mostly clear. Windy at times. |
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Morning |
Temperature: 60°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 72°F |
| Sunny. |
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Evening |
Temperature: 64°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Friday, June 19th, 2026 |
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Overnight |
Temperature: 53°F |
| Clear. Windy at times. |
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Morning |
Temperature: 56°F |
| Sunny. |
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Afternoon |
Temperature: 69°F |
| Sunny. |
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Evening |
Temperature: 66°F |
| Clear. |
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| Saturday, June 20th, 2026 |
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Overnight |
Temperature: 59°F |
| Cloudy with clear periods. Windy at times. |
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Morning |
Temperature: 64°F |
| Cloudy with sunny periods. Windy at times. |
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Afternoon |
Temperature: 77°F |
| A mix of sun and cloud. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 70°F |
| A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times. |
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| Sunday, June 21st, 2026 |
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Overnight |
Temperature: 63°F |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: 62°F |
| Cloudy with a chance of showers. |
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Afternoon |
Temperature: 69°F |
| Mostly cloudy with a chance of showers. Windy at times. |
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Evening |
Temperature: 65°F |
| Mostly clear with a slight chance of showers. Windy at times. |
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