Janesville Weather Forecast 15 Days, Weather in Janesville Today
Current weather conditions and 15 day weather forecast for Janesville, Iowa, 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
| 22 May 2026 Friday 16.7 ° C / 62.1°F  Overcast |
Feels Like : 16.7 ° C / 62.1°F Humidity : % 62 Pressure : 1016 mb Wind Speed : 11.5 kmph / 7.2 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Janesville, IA, 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, Iowa 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 May 2026 Friday |  Sunny |
9.2 ° C (48.6°F) |
21 ° C (69.8°F) |
14.6 ° C (58.2°F) |
% 67 | 0% | 3.8 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 23 May 2026 Saturday |  Patchy rain nearby |
12.2 ° C (54°F) |
22.8 ° C (73.1°F) |
16.7 ° C (62.1°F) |
% 71 | 88% | 7.2 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
12.3 ° C (54.1°F) |
25.3 ° C (77.5°F) |
18.8 ° C (65.8°F) |
% 61 | 0% | 7.8 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
14.7 ° C (58.4°F) |
28.6 ° C (83.5°F) |
21.4 ° C (70.5°F) |
% 71 | 83% | 8.1 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
17.9 ° C (64.1°F) |
30.4 ° C (86.7°F) |
23.7 ° C (74.7°F) |
% 71 | 71% | 8.3 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 27 May 2026 Wednesday | Patchy rain nearby |
18.2 ° C (64.8°F) |
27.2 ° C (80.9°F) |
21.1 ° C (69.9°F) |
% 78 | 82% | 0.3 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 28 May 2026 Thursday | Sunny |
16.9 ° C (62.4°F) |
26.1 ° C (79.1°F) |
20.8 ° C (69.4°F) |
% 76 | 0% | 6 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 29 May 2026 Friday | Patchy rain nearby |
14.9 ° C (58.8°F) |
26.1 ° C (79°F) |
19.6 ° C (67.3°F) |
% 73 | 85% | 4 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 30 May 2026 Saturday | Sunny |
9 ° C (48.2°F) |
19.4 ° C (66.9°F) |
14.1 ° C (57.4°F) |
% 66 | 0% | 4 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 31 May 2026 Sunday | Sunny |
8 ° C (46.5°F) |
19.2 ° C (66.6°F) |
13.4 ° C (56.1°F) |
% 66 | 0% | 4 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 01 June 2026 Monday | Sunny |
9.7 ° C (49.4°F) |
21.7 ° C (71.1°F) |
15.7 ° C (60.2°F) |
% 64 | 0% | 5 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 02 June 2026 Tuesday | Sunny |
11.1 ° C (52°F) |
25.7 ° C (78.2°F) |
18.4 ° C (65.1°F) |
% 62 | 0% | 5 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 03 June 2026 Wednesday | Sunny |
14.9 ° C (58.8°F) |
28.2 ° C (82.7°F) |
21.7 ° C (71.1°F) |
% 62 | 0% | 6 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
| 04 June 2026 Thursday | Sunny |
17.5 ° C (63.5°F) |
29.8 ° C (85.7°F) |
23.7 ° C (74.6°F) |
% 61 | 0% | 6 | Sunrise:05:41 AM Sunset: 08:32 PM |
Moonrise:11:28 AM Moonset: 01:23 AM Moon Phase ( First Quarter ) |
|
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