How is the weather in Janesville, IA?

At 11:39 AM on Fri, Sep 5, 2025 it is mostly cloudy and 59 degrees Fahrenheit, feeling like 59 degrees.

Janesville, IA Weather Forecast and Current Conditions (50647)

59°F
Feels Like 59°F

Humidity 63% Dew Point 47°F Wind NNW 5 MPH Gusts 7 Barometer 29.86 in.758.4 mm

Solar Rad 671 w/m2

Report from 7.2 miles S of central Janesville at 11:39 AM Fri, Sep 5, 2025

Current Weather

59°F
Feels Like 59°F

Humidity 63% Dew Point 47°F Wind NNW 5 MPH Gusts 7 Barometer 29.86 in.758.4 mm

Solar Rad 671 w/m2

Report from 7.2 miles S of central Janesville at 11:39 AM Fri, Sep 5, 2025

Forecast at a Glance

FriSep 5

10%

62°

41°

SatSep 6

63°

40°

SunSep 7

67°

45°

MonSep 8

10%

75°

56°

TueSep 9

40%

76°

57°

WedSep 10

20%

78°

55°

ThuSep 11

10%

75°

54°

This Date in Weather History

1933 - A hurricane hit Brownsville, TX, killing forty persons and causing 12 million dollars damage.

Janesville 7 Day Weather Forecast Details

Friday Sep 5

Day: Partly sunny, with a high near 62. West northwest wind 12 to 16 mph, with gusts as high as 24 mph.

Night: A slight chance of rain showers before 10pm. Partly cloudy. Low around 41, with temperatures rising to around 43 overnight. West wind 5 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Saturday Sep 6

Day: Mostly sunny. High near 63, with temperatures falling to around 60 in the afternoon. West northwest wind 5 to 13 mph, with gusts as high as 18 mph.

Night: Mostly clear, with a low around 40. Northwest wind 5 to 9 mph.

Sunday Sep 7

Day: Sunny, with a high near 67. Northwest wind around 7 mph.

Night: Mostly clear, with a low around 45.

Monday Sep 8

Day: Mostly sunny, with a high near 75.

Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

Tuesday Sep 9

Day: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 40%.

Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57.

Wednesday Sep 10

Day: A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 78.

Night: Partly cloudy, with a low around 55.

Thursday Sep 11

Day: Mostly sunny, with a high near 75.

Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 54.

Sun & Moon Monthly

First Light 6:11 AM

Sunrise 6:40 AM

Sunset 7:39 PM

Last Light 8:08 PM

Moonrise 6:47 PM

Moonset 3:54 AM

Moon Phase

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