Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

61°F

16°C

Humidity 42%
Wind Speed SW 17 G 29 mph
Barometer 30.36 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Oct 12:45 pm CDT
Extended Forecast for

Harvard IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. South southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 39. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 66. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 67. Calm wind becoming east southeast around 5 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. South southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 39. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 66. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 43. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 67. Calm wind becoming east southeast around 5 mph.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Harvard IL
 42.42°N 88.61°W
1:21 pm CDT Oct 18, 2026
1pm CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database