 |
 Current Janesville Weather Conditions |
Updated January 12th at 4:45 pm |
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| Temperature: | 37°F |
Dew Point: | 30°F |
| Barometer: | 30.04 inHg |
Wind: | N 19 Mph |
| Humidity: | 74.9% |
Visibility: | 0M |
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| Janesville Weather Forecast Summary |
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Today
Jan 12th
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Tuesday
Jan 13th
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Wednesday
Jan 14th
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Thursday
Jan 15th
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Friday
Jan 16th
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Cloudy |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
38°F
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45°F
35°F |
35°F
15°F |
23°F
15°F |
33°F
21°F |
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| Janesville Detailed Weather Forecast |
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| Monday, January 12th, 2026 |
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Evening |
Temperature: 32°F |
| Cloudy. Windy at times. |
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| Tuesday, January 13th, 2026 |
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Overnight |
Temperature: 35°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 41°F |
| A mix of cloud and sun. Windy. |
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Afternoon |
Temperature: 40°F |
| Mostly cloudy. Windy at times. |
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Evening |
Temperature: 37°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Wednesday, January 14th, 2026 |
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Overnight |
Temperature: 29°F |
| Cloudy. Windy. |
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Morning |
Temperature: 19°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 19°F |
| Cloudy. Windy. |
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Evening |
Temperature: 16°F |
| Cloudy. Windy. |
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| Thursday, January 15th, 2026 |
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Overnight |
Temperature: 15°F |
| Clear. Windy at times. |
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Morning |
Temperature: 19°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 20°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 20°F |
| Cloudy. Windy at times. |
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| Friday, January 16th, 2026 |
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Overnight |
Temperature: 22°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 28°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 29°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 25°F |
| Cloudy with a chance of flurries. Windy at times. |
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| Saturday, January 17th, 2026 |
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Overnight |
Temperature: 16°F |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: 10°F |
| Cloudy with a chance of flurries. Windy. |
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Afternoon |
Temperature: 6°F |
| Cloudy with a slight chance of flurries. Windy at times. |
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Evening |
Temperature: 3°F |
| Cloudy. Windy. |
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| Sunday, January 18th, 2026 |
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Overnight |
Temperature: 1°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 8°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 12°F |
| Mostly cloudy. |
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Evening |
Temperature: 15°F |
| Cloudy. Windy at times. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: 19°F |
| Cloudy. Windy. |
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Morning |
Temperature: 27°F |
| Cloudy with a chance of flurries. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 22°F |
| Sunny. Windy. |
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Evening |
Temperature: 20°F |
| Clear with cloudy periods. Windy at times. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: 19°F |
| Cloudy. |
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Morning |
Temperature: 25°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 18°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 15°F |
| Cloudy. |
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