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🇺🇸 Weather in Janesville

Current Weather in Janesville

Partly cloudy
30°C
Feels like 31°C. Partly cloudy.
🌬️ 11 km/h N
💧 46% Humidity
🧭 1012 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 2.4
🌡️ Dew Point: 18°C
🌅 Sunrise: 05:18 AM
🌇 Sunset: 08:30 PM
Map Overlays:

In Janesville right now it is 30°C and partly cloudy, feeling like 31°C. Humidity is 46% with winds around 11 km/h, and the UV index is 2 (low). Over the next few days, temperatures in Janesville range from about 17°C to 32°C.

Hourly Forecast for Janesville

18:00
Sunny
30°
0%
19:00
Sunny
28°
0%
20:00
Sunny
26°
1%
21:00
Clear
24°
2%
22:00
Clear
23°
1%
23:00
Clear
22°
1%
00:00
Clear
20°
1%
01:00
Clear
20°
2%
02:00
Clear
19°
2%
03:00
Clear
18°
2%
04:00
Clear
18°
2%
05:00
Clear
18°
2%
06:00
Sunny
18°
3%
07:00
Partly Cloudy
19°
5%
08:00
Partly Cloudy
20°
5%
09:00
Partly Cloudy
21°
4%
10:00
Partly Cloudy
23°
2%
11:00
Partly Cloudy
24°
3%
12:00
Patchy rain nearby
25°
6%
13:00
Partly Cloudy
26°
2%
14:00
Patchy rain nearby
26°
4%
15:00
Patchy light drizzle
26°
73%
16:00
Light rain shower
25°
73%
17:00
Light rain shower
24°
73%

14-Day Forecast for Janesville

Sat, Jun 06
Moderate rain Moderate rain
32° / 17°
Sun, Jun 07
Patchy rain nearby Patchy rain nearby
27° / 17°
Mon, Jun 08
Moderate rain Moderate rain
25° / 18°
Tue, Jun 09
Partly Cloudy Partly Cloudy
31° / 20°
Wed, Jun 10
Moderate rain Moderate rain
32° / 23°
Thu, Jun 11
Moderate rain Moderate rain
29° / 22°
Fri, Jun 12
Moderate rain Moderate rain
24° / 18°
Sat, Jun 13
Patchy rain nearby Patchy rain nearby
25° / 15°
Sun, Jun 14
Patchy rain nearby Patchy rain nearby
23° / 15°
Mon, Jun 15
Partly Cloudy Partly Cloudy
22° / 13°
Tue, Jun 16
Patchy rain nearby Patchy rain nearby
24° / 12°
Wed, Jun 17
Patchy rain nearby Patchy rain nearby
23° / 16°
Thu, Jun 18
Heavy rain Heavy rain
22° / 13°
Fri, Jun 19
Sunny Sunny
27° / 18°

Additional Forecasts for Janesville

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 127.0 μg/m³
O₃ (Ozone) 101.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.2 μg/m³
SO₂ (Sulphur Dioxide) 0.2 μg/m³
PM2.5 (Fine particles) 3.9 μg/m³
PM10 (Coarse particles) 5.0 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Janesville Tomorrow

There is no good daylight window left in Janesville today. Tomorrow, the most comfortable window looks like 08:00 to 10:00, when it is around 21°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Janesville

What is the temperature in Janesville right now?

The current temperature in Janesville is 30°C (87°F), partly cloudy (feels like 31°C).

What's the weather like in Janesville right now?

Conditions in Janesville right now: Partly cloudy, humidity 46%, wind 11 km/h N.

What is today's forecast for Janesville?

Today in Janesville: high 32°C, low 17°C, moderate rain. Chance of rain: 73%.

What is the 7-day weather forecast for Janesville?

Daily highs and lows for Janesville:

  • 2026-06-06: 32°C / 17°C
  • 2026-06-07: 27°C / 17°C
  • 2026-06-08: 25°C / 18°C
  • 2026-06-09: 31°C / 20°C
  • 2026-06-10: 32°C / 23°C
  • 2026-06-11: 29°C / 22°C
  • 2026-06-12: 24°C / 18°C
Is it going to rain in Janesville today?

There is a 73% chance of rain in Janesville today. Total expected precipitation: 15.72 mm.

What is the wind speed in Janesville right now?

Wind in Janesville is currently 11 km/h (7 mph) from the N.

What is the UV index in Janesville right now?

The UV index in Janesville is currently 2.4 (low). Sun protection is recommended when the index is 3 or higher.

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