Janesville Weather Forecast 15 Days, Weather in Janesville Today
Current weather conditions and 15 day weather forecast for Janesville, Wisconsin, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Janesville
| 11 February 2026 Wednesday 4.4 ° C / 39.9°F  Partly cloudy |
Feels Like : 0.9 ° C / 33.6°F Humidity : % 48 Pressure : 1023 mb Wind Speed : 15.8 kmph / 9.8 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Janesville, WI, USA
Weather Forecast for next 15 Days for Janesville including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Janesville, Wisconsin state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 February 2026 Wednesday |  Sunny |
-3.9 ° C (25°F) |
7.2 ° C (45°F) |
0.5 ° C (33°F) |
% 72 | 0% | 0.5 | Sunrise:06:58 AM Sunset: 05:23 PM |
Moonrise:03:08 AM Moonset: 11:32 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Partly Cloudy |
-5.2 ° C (22.6°F) |
5.3 ° C (41.5°F) |
-0.5 ° C (31.1°F) |
% 82 | 0% | 0.4 | Sunrise:06:57 AM Sunset: 05:25 PM |
Moonrise:04:05 AM Moonset: 12:21 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Sunny |
-3.7 ° C (25.3°F) |
10.4 ° C (50.7°F) |
1.5 ° C (34.6°F) |
% 87 | 0% | 0.4 | Sunrise:06:56 AM Sunset: 05:26 PM |
Moonrise:04:54 AM Moonset: 01:20 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday |  Overcast |
-0.6 ° C (30.9°F) |
7.7 ° C (45.9°F) |
3 ° C (37.4°F) |
% 86 | 0% | 0.4 | Sunrise:06:54 AM Sunset: 05:27 PM |
Moonrise:05:35 AM Moonset: 02:25 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Sunny |
-0.1 ° C (31.8°F) |
7.2 ° C (44.9°F) |
3.1 ° C (37.6°F) |
% 78 | 0% | 0.5 | Sunrise:06:53 AM Sunset: 05:28 PM |
Moonrise:06:09 AM Moonset: 03:35 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Partly Cloudy |
-0.7 ° C (30.8°F) |
8.9 ° C (48°F) |
1.9 ° C (35.4°F) |
% 72 | 0% | 0 | Sunrise:06:51 AM Sunset: 05:30 PM |
Moonrise:06:37 AM Moonset: 04:45 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday |  Patchy rain nearby |
2.6 ° C (36.6°F) |
8.7 ° C (47.7°F) |
5.3 ° C (41.5°F) |
% 78 | 89% | 2 | Sunrise:06:50 AM Sunset: 05:31 PM |
Moonrise:07:01 AM Moonset: 05:56 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Patchy rain nearby |
-2 ° C (28.5°F) |
3.4 ° C (38.2°F) |
2.4 ° C (36.3°F) |
% 93 | 82% | 1 | Sunrise:06:48 AM Sunset: 05:32 PM |
Moonrise:07:23 AM Moonset: 07:07 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Overcast |
-2.5 ° C (27.5°F) |
4.4 ° C (39.8°F) |
0.3 ° C (32.5°F) |
% 84 | 0% | 1 | Sunrise:06:47 AM Sunset: 05:34 PM |
Moonrise:07:44 AM Moonset: 08:19 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Patchy rain nearby |
-0.9 ° C (30.3°F) |
1.9 ° C (35.4°F) |
0.5 ° C (32.8°F) |
% 89 | 88% | 1 | Sunrise:06:45 AM Sunset: 05:35 PM |
Moonrise:08:04 AM Moonset: 09:33 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday |  Patchy moderate snow |
-3.2 ° C (26.2°F) |
2.2 ° C (35.9°F) |
-0.5 ° C (31.2°F) |
% 84 | 77% | 1 | Sunrise:06:44 AM Sunset: 05:36 PM |
Moonrise:08:27 AM Moonset: 10:48 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Partly Cloudy |
-3.9 ° C (24.9°F) |
2.7 ° C (36.8°F) |
-1.7 ° C (28.9°F) |
% 77 | 0% | 2 | Sunrise:06:42 AM Sunset: 05:37 PM |
Moonrise:08:54 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday | Partly Cloudy |
-3.8 ° C (25.1°F) |
3.8 ° C (38.9°F) |
-0.6 ° C (31°F) |
% 74 | 0% | 2 | Sunrise:06:41 AM Sunset: 05:39 PM |
Moonrise:09:27 AM Moonset: 12:06 AM Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday |  Light sleet |
-1.4 ° C (29.4°F) |
1.1 ° C (34°F) |
0 ° C (32.1°F) |
% 97 | 85% | 1 | Sunrise:06:39 AM Sunset: 05:40 PM |
Moonrise:10:09 AM Moonset: 01:24 AM Moon Phase ( First Quarter ) |
|
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