 |
 Current Janesville Weather Conditions |
Updated January 21st at 7:45 am |
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| light snow |
| Temperature: | 19°F |
Dew Point: | 18°F |
| Barometer: | 29.92 inHg |
Wind: | N 11 Mph |
| Humidity: | 92.4% |
Visibility: | 0M |
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| Janesville Weather Forecast Summary |
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Today
Jan 21st
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Thursday
Jan 22nd
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Friday
Jan 23rd
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Saturday
Jan 24th
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Sunday
Jan 25th
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Flurries |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
25°F
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17°F
-4°F |
-7°F
-17°F |
1°F
-15°F |
13°F
0°F |
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| Janesville Detailed Weather Forecast |
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| Wednesday, January 21st, 2026 |
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Morning |
Temperature: 21°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 24°F |
| Cloudy with a chance of flurries. Windy at times. |
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Evening |
Temperature: 19°F |
| Clear with cloudy periods with a chance of flurries. Windy. |
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| Thursday, January 22nd, 2026 |
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Overnight |
Temperature: 9°F |
| Cloudy. |
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Morning |
Temperature: 15°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 12°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: -1°F |
| Clear with cloudy periods. Windy. |
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| Friday, January 23rd, 2026 |
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Overnight |
Temperature: -15°F |
| Clear. Windy. |
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Morning |
Temperature: -11°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: -10°F |
| Sunny. |
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Evening |
Temperature: -13°F |
| Clear. |
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| Saturday, January 24th, 2026 |
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Overnight |
Temperature: -15°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: -5°F |
| Cloudy. |
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Afternoon |
Temperature: -3°F |
| Cloudy. |
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Evening |
Temperature: 0°F |
| Cloudy. |
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| Sunday, January 25th, 2026 |
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Overnight |
Temperature: 1°F |
| Cloudy. |
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Morning |
Temperature: 9°F |
| Cloudy. |
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Afternoon |
Temperature: 7°F |
| Cloudy. |
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Evening |
Temperature: 4°F |
| Cloudy. Windy at times. |
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| Monday, January 26th, 2026 |
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Overnight |
Temperature: 1°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 3°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 1°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 2°F |
| Clear. Windy at times. |
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| Tuesday, January 27th, 2026 |
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Overnight |
Temperature: 7°F |
| Clear. Windy at times. |
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Morning |
Temperature: 20°F |
| Sunny. Windy. |
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Afternoon |
Temperature: 21°F |
| Sunny. |
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Evening |
Temperature: 13°F |
| A mix of cloudy and clear skies. |
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| Wednesday, January 28th, 2026 |
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Overnight |
Temperature: 11°F |
| Cloudy. |
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Morning |
Temperature: 20°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 19°F |
| Cloudy. |
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Evening |
Temperature: 18°F |
| Cloudy with flurries likely. Windy at times. |
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| Thursday, January 29th, 2026 |
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Overnight |
Temperature: 12°F |
| Cloudy with a chance of flurries. Windy. |
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Morning |
Temperature: 9°F |
| A mix of cloud and sun. Windy. |
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Afternoon |
Temperature: 5°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 0°F |
| Clear. Windy at times. |
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