 |
 Current Janesville Weather Conditions |
Updated December 28th at 3:50 am |
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| moderate fog |
| Temperature: | 39°F |
Dew Point: | 39°F |
| Barometer: | 29.68 inHg |
Wind: | calm |
| Humidity: | 100.0% |
Visibility: | 0M |
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| Janesville Weather Forecast Summary |
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Today
Dec 28th
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Monday
Dec 29th
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Tuesday
Dec 30th
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Wednesday
Dec 31st
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Thursday
Jan 1st
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Mix of rain and snow |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
49°F
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18°F
13°F |
26°F
12°F |
28°F
10°F |
15°F
9°F |
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| Janesville Detailed Weather Forecast |
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| Sunday, December 28th, 2025 |
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Morning |
Temperature: 48°F |
| Cloudy with showers. |
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Afternoon |
Temperature: 37°F |
| Cloudy with a few showers. Showers possibly mixed with wet flurries. Windy. |
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Evening |
Temperature: 22°F |
| Cloudy with a chance of flurries. Wind 20 to 30 mph. |
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| Monday, December 29th, 2025 |
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Overnight |
Temperature: 18°F |
| Cloudy with a chance of flurries. Wind 20 to 30 mph. |
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Morning |
Temperature: 17°F |
| Cloudy with a slight chance of flurries. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 16°F |
| A mix of cloud and sun. Windy. |
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Evening |
Temperature: 13°F |
| Clear with cloudy periods. Windy. |
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| Tuesday, December 30th, 2025 |
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Overnight |
Temperature: 12°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 19°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 26°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 26°F |
| Cloudy. Windy at times. |
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| Wednesday, December 31st, 2025 |
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Overnight |
Temperature: 24°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 19°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 16°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 12°F |
| Clear with cloudy periods. Windy at times. |
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| Thursday, January 1st, 2026 |
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Overnight |
Temperature: 9°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 12°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 14°F |
| Cloudy with sunny periods. Windy at times. |
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Evening |
Temperature: 11°F |
| Clear with cloudy periods. Windy at times. |
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| Friday, January 2nd, 2026 |
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Overnight |
Temperature: 8°F |
| Clear. Windy at times. |
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Morning |
Temperature: 12°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 14°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 10°F |
| Clear. Windy at times. |
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| Saturday, January 3rd, 2026 |
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Overnight |
Temperature: 9°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 15°F |
| Cloudy. |
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Afternoon |
Temperature: 18°F |
| Cloudy. |
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Evening |
Temperature: 17°F |
| A mix of cloudy and clear skies. |
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| Sunday, January 4th, 2026 |
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Overnight |
Temperature: 16°F |
| Cloudy. |
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Morning |
Temperature: 24°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 26°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 27°F |
| Cloudy. Windy at times. |
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| Monday, January 5th, 2026 |
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Overnight |
Temperature: 28°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 35°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 35°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 35°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. |
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