Janesville, WI Weather Forecast & Current Conditions

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Janesville, WI Weather Maps

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Janesville Weather Map
UTC Time: 9/28/2026, 18:11
Your Time:

Janesville, WI

Today
Sunny
72°/ 50° 22°/ 10°
0%
Tuesday
Partly Cloudy
72°/ 60° 22°/ 16°
20%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
80%
Thursday
Thunderstorms
68°/ 50° 20°/ 10°
70%
Friday
Partly Cloudy
65°/ 45° 18°/ 7°
20%
Saturday
Sunny
65°/ 48° 18°/ 9°
20%
Sunday
Partly Cloudy
62°17°
0%

Day: Sunny. Highs in the lower 70s. Calm winds becoming northeast up to 5 mph in the afternoon.

Night: Mostly clear. Lows around 50. Southeast winds up to 5 mph.

Whitewater, WI

Today
Sunny
72°/ 48° 22°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
70%
Thursday
Thunderstorms
70°/ 50° 21°/ 10°
80%
Friday
Partly Cloudy
65°/ 45° 18°/ 7°
20%
Saturday
Rain Showers
65°/ 48° 18°/ 9°
20%
Sunday
Partly Cloudy
62°17°
0%

Day: Sunny. Highs in the lower 70s. Calm winds becoming east up to 5 mph in the afternoon.

Night: Clear through around midnight then becoming partly cloudy. Lows in the upper 40s. East winds up to 5 mph through around midnight becoming calm.

Rockford, IL

Today
Cloudy
72°/ 48° 22°/ 9°
0%
Tuesday
Mostly Cloudy
75°/ 60° 24°/ 16°
20%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
70%
Thursday
Thunderstorms
70°/ 52° 21°/ 11°
80%
Friday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Saturday
Cloudy
65°/ 48° 18°/ 9°
0%
Sunday
Mostly Cloudy
65°18°
0%

Day: Partly cloudy late in the morning, then becoming mostly sunny. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Southeast winds around 5 mph.

Watertown, WI

Today
Sunny
75°/ 48° 24°/ 9°
0%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
40%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
80%
Thursday
Rain Showers
68°/ 48° 20°/ 9°
70%
Friday
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Saturday
Rain Showers
65°/ 48° 18°/ 9°
20%
Sunday
Partly Cloudy
62°17°
0%

Day: Sunny. Highs in the mid 70s. Calm winds becoming east up to 5 mph in the afternoon.

Night: Mostly clear. Lows in the upper 40s. Southeast winds up to 5 mph.

Monroe, WI

Today
Sunny
72°/ 52° 22°/ 11°
0%
Tuesday
Partly Cloudy
72°/ 62° 22°/ 17°
40%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
80%
Thursday
Rain Showers
68°/ 50° 20°/ 10°
70%
Friday
Sunny
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
20%
Sunday
Partly Cloudy
62°17°
0%

Day: Sunny. Highs in the lower 70s. Calm winds becoming east up to 5 mph in the afternoon.

Night: Clear until early morning then becoming partly cloudy. Lows in the lower 50s. Southeast winds up to 5 mph.

Madison, WI

Today
Sunny
75°/ 50° 24°/ 10°
0%
Tuesday
Partly Cloudy
72°/ 60° 22°/ 16°
50%
Wednesday
Thunderstorms
70°/ 62° 21°/ 17°
80%
Thursday
Rain Showers
68°/ 48° 20°/ 9°
70%
Friday
Sunny
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
20%
Sunday
Partly Cloudy
62°17°
0%

Day: Sunny. Highs in the mid 70s. Calm winds becoming east up to 5 mph in the afternoon.

Night: Clear until early morning then becoming partly cloudy. Lows around 50. Southeast winds up to 5 mph.

Belvidere, IL

Today
Cloudy
72°/ 48° 22°/ 9°
0%
Tuesday
Mostly Cloudy
75°/ 60° 24°/ 16°
20%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
70%
Thursday
Thunderstorms
70°/ 52° 21°/ 11°
80%
Friday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Saturday
Cloudy
65°/ 50° 18°/ 10°
0%
Sunday
Mostly Cloudy
65°18°
0%

Day: Partly cloudy late in the morning, then becoming mostly sunny. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Patchy fog late. Lows in the upper 40s. East winds around 5 mph in the evening, becoming light and variable.

Crystal Lake, IL

Today
Cloudy
72°/ 50° 22°/ 10°
0%
Tuesday
Mostly Cloudy
75°/ 60° 24°/ 16°
0%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
70%
Thursday
Thunderstorms
72°/ 52° 22°/ 11°
80%
Friday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Saturday
Cloudy
65°/ 50° 18°/ 10°
0%
Sunday
Mostly Cloudy
65°18°
0%

Day: Partly cloudy late in the morning, then becoming mostly sunny. Highs in the lower 70s. Northeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows around 50. East winds around 5 mph in the evening, becoming light and variable.

Waukesha, WI

Today
Sunny
72°/ 48° 22°/ 9°
0%
Tuesday
Partly Cloudy
72°/ 58° 22°/ 14°
20%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
70%
Thursday
Rain Showers
68°/ 50° 20°/ 10°
70%
Friday
Partly Cloudy
62°/ 48° 17°/ 9°
0%
Saturday
Rain Showers
62°/ 48° 17°/ 9°
20%
Sunday
Partly Cloudy
62°17°
0%

Day: Sunny. Highs in the lower 70s. Northeast winds up to 5 mph.

Night: Mostly clear. Lows in the upper 40s. East winds up to 5 mph through around midnight becoming calm.

Racine, WI

Today
Sunny
72°/ 50° 22°/ 10°
0%
Tuesday
Partly Cloudy
72°/ 58° 22°/ 14°
0%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
70%
Thursday
Thunderstorms
70°/ 52° 21°/ 11°
70%
Friday
Partly Cloudy
62°/ 48° 17°/ 9°
20%
Saturday
Rain Showers
62°/ 50° 17°/ 10°
20%
Sunday
Partly Cloudy
62°17°
0%

Day: Sunny. Highs in the lower 70s. Northeast winds up to 5 mph.

Night: Partly cloudy. Lows around 50. East winds up to 5 mph through around midnight becoming calm.

Kenosha, WI

Today
Sunny
72°/ 52° 22°/ 11°
0%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
60%
Thursday
Thunderstorms
72°/ 52° 22°/ 11°
80%
Friday
Partly Cloudy
65°/ 48° 18°/ 9°
20%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
20%
Sunday
Rain Showers
65°18°
20%

Day: Sunny. Highs in the lower 70s. Northeast winds up to 5 mph.

Night: Partly cloudy. Lows in the lower 50s. East winds up to 5 mph through around midnight becoming calm.

Rochelle, IL

Today
Sunny
75°/ 50° 24°/ 10°
0%
Tuesday
Mostly Cloudy
75°/ 60° 24°/ 16°
20%
Wednesday
Rain Showers
75°/ 62° 24°/ 17°
70%
Thursday
Thunderstorms
72°/ 52° 22°/ 11°
80%
Friday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Saturday
Cloudy
65°/ 50° 18°/ 10°
0%
Sunday
Cloudy
65°18°
0%

Day: Mostly sunny. Highs in the mid 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Clear in the evening, then becoming partly cloudy. Lows around 50. Southeast winds around 5 mph.

DeKalb, IL

Today
Cloudy
75°/ 52° 24°/ 11°
0%
Tuesday
Cloudy
75°/ 60° 24°/ 16°
0%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
70%
Thursday
Thunderstorms
72°/ 52° 22°/ 11°
80%
Friday
Mostly Cloudy
65°/ 48° 18°/ 9°
0%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Cloudy
65°18°
0%

Day: Partly cloudy late in the morning, then becoming mostly sunny. Highs in the mid 70s. Northeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Patchy fog late. Lows in the lower 50s. Southeast winds around 5 mph.

Darlington, WI

Today
Sunny
72°/ 52° 22°/ 11°
0%
Tuesday
Partly Cloudy
72°/ 62° 22°/ 17°
40%
Wednesday
Thunderstorms
70°/ 62° 21°/ 17°
90%
Thursday
Rain Showers
68°/ 48° 20°/ 9°
70%
Friday
Sunny
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
20%
Sunday
Partly Cloudy
62°17°
0%

Day: Sunny. Highs in the lower 70s. Calm winds.

Night: Clear until early morning then becoming partly cloudy. Lows in the lower 50s. Southeast winds up to 5 mph.

Beaver Dam, WI

Today
Sunny
75°/ 48° 24°/ 9°
0%
Tuesday
Partly Cloudy
72°/ 58° 22°/ 14°
50%
Wednesday
Thunderstorms
70°/ 60° 21°/ 16°
80%
Thursday
Rain Showers
68°/ 48° 20°/ 9°
60%
Friday
Sunny
65°/ 42° 18°/ 6°
0%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
20%
Sunday
Rain Showers
62°17°
20%

Day: Sunny. Highs in the mid 70s. Calm winds becoming east up to 5 mph in the afternoon.

Night: Mostly clear. Lows in the upper 40s. Southeast winds up to 5 mph.

Portage, WI

Today
Sunny
75°/ 48° 24°/ 9°
0%
Tuesday
Partly Cloudy
72°/ 58° 22°/ 14°
50%
Wednesday
Thunderstorms
70°/ 60° 21°/ 16°
90%
Thursday
Rain Showers
68°/ 45° 20°/ 7°
60%
Friday
Sunny
65°/ 42° 18°/ 6°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Rain Showers
62°17°
20%

Day: Sunny. Highs in the mid 70s. Calm winds becoming east up to 5 mph in the afternoon.

Night: Clear until early morning then becoming partly cloudy. Lows in the upper 40s. Southeast winds up to 5 mph.

Waukegan, IL

Today
Cloudy
72°/ 52° 22°/ 11°
0%
Tuesday
Mostly Cloudy
75°/ 60° 24°/ 16°
0%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
60%
Thursday
Thunderstorms
72°/ 55° 22°/ 13°
80%
Friday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Mostly Cloudy
65°18°
0%

Day: Partly cloudy late in the morning, then becoming mostly sunny. Highs in the lower 70s inland, but only in the upper 60s near the lake. Northeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Northeast winds around 5 mph in the evening, becoming light and variable.

Aurora, IL

Today
Cloudy
75°/ 52° 24°/ 11°
0%
Tuesday
Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Rain Showers
75°/ 65° 24°/ 18°
60%
Thursday
Thunderstorms
72°/ 55° 22°/ 13°
80%
Friday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Cloudy
65°18°
0%

Day: Partly cloudy late in the morning then clearing. Highs in the mid 70s. Northeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. East winds around 5 mph in the evening, becoming light and variable.

Dodgeville, WI

Today
Sunny
75°/ 50° 24°/ 10°
0%
Tuesday
Partly Cloudy
72°/ 60° 22°/ 16°
50%
Wednesday
Thunderstorms
70°/ 62° 21°/ 17°
90%
Thursday
Rain Showers
68°/ 48° 20°/ 9°
60%
Friday
Sunny
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
20%
Sunday
Partly Cloudy
62°17°
0%

Day: Sunny. Highs in the mid 70s. Calm winds.

Night: Mostly clear. Lows around 50. Southeast winds up to 5 mph.

West Bend, WI

Today
Sunny
72°/ 48° 22°/ 9°
0%
Tuesday
Partly Cloudy
72°/ 58° 22°/ 14°
40%
Wednesday
Thunderstorms
70°/ 62° 21°/ 17°
80%
Thursday
Rain Showers
68°/ 48° 20°/ 9°
60%
Friday
Sunny
62°/ 45° 17°/ 7°
0%
Saturday
Rain Showers
62°/ 48° 17°/ 9°
20%
Sunday
Rain Showers
62°17°
20%

Day: Sunny. Highs in the lower 70s. Calm winds.

Night: Mostly clear. Lows in the upper 40s. East winds up to 5 mph through around midnight becoming calm.

Names listed above may include county names.

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