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Weather in Onalaska, United States 🇺🇸

Current Weather in Onalaska

Overcast
19°C
Feels like 16°C. Overcast.
🌬️ 21 km/h SSE
💧 68% Humidity
🧭 1017 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 13°C
🌅 Sunrise: 06:36 AM
🌇 Sunset: 07:28 PM
Map Overlays:

The current temperature in Onalaska is 19°C, overcast, feeling like 16°C. Humidity is 68% with winds around 21 km/h, and the UV index is 0 (low). Looking ahead, Onalaska should sit between roughly 12°C and 29°C over the coming days.

Hourly Forecast for Onalaska

03:00
Overcast
18°
18%
04:00
Overcast
18°
18%
05:00
Overcast
18°
19%
06:00
Overcast
18°
22%
07:00
Overcast
18°
20%
08:00
Light rain
18°
65%
09:00
Moderate rain
19°
82%
10:00
Moderate rain
20°
80%
11:00
Moderate rain
22°
76%
12:00
Light rain shower
18°
65%
13:00
Light rain shower
19°
69%
14:00
Patchy rain nearby
20°
35%
15:00
Patchy rain nearby
20°
35%
16:00
Sunny
22°
8%
17:00
Patchy rain nearby
24°
14%
18:00
Patchy rain nearby
24°
25%
19:00
Patchy rain nearby
24°
29%
20:00
Overcast
23°
24%
21:00
Overcast
23°
23%
22:00
Overcast
23°
21%
23:00
Patchy rain nearby
22°
34%
00:00
Patchy rain nearby
23°
34%
01:00
Overcast
22°
28%
02:00
Light rain shower
22°
41%

14-Day Forecast for Onalaska

Tue, Sep 08
Overcast Overcast
24° / 18°
Wed, Sep 09
Sunny Sunny
29° / 18°
Thu, Sep 10
Sunny Sunny
25° / 12°
Fri, Sep 11
Sunny Sunny
24° / 14°
Sat, Sep 12
Sunny Sunny
26° / 13°
Sun, Sep 13
Light rain shower Light rain shower
28° / 20°
Mon, Sep 14
Light rain shower Light rain shower
24° / 13°
Tue, Sep 15
Overcast Overcast
12° /
Wed, Sep 16
Sunny Sunny
19° /
Thu, Sep 17
Sunny Sunny
20° /
Fri, Sep 18
Light rain shower Light rain shower
19° /
Sat, Sep 19
Sunny Sunny
14° /
Sun, Sep 20
Sunny Sunny
14° /
Mon, Sep 21
Sunny Sunny
20° /

Additional Forecasts for Onalaska

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 147.0 μg/m³
O₃ (Ozone) 88.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.9 μg/m³
SO₂ (Sulphur Dioxide) 1.5 μg/m³
PM2.5 (Fine particles) 4.8 μg/m³
PM10 (Coarse particles) 5.0 μg/m³

Historical Weather

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Best Time to Be Outside in Onalaska Today

The most comfortable window in Onalaska today looks like 16:00 to 19:00, when it is around 23°C. It should stay dry through that window. The next likely rain is around 08:00.

Frequently Asked Questions about Weather in Onalaska

What is the temperature in Onalaska right now?

It is currently 19°C (66°F) in Onalaska, overcast (feels like 16°C).

What's the weather like in Onalaska right now?

Right now Onalaska has Overcast, humidity 68%, wind 21 km/h SSE.

What is today's forecast for Onalaska?

Today in Onalaska: high 24°C, low 18°C, overcast. Chance of rain: 86%.

What is the 7-day weather forecast for Onalaska?

Daily highs and lows for Onalaska:

  • 2026-09-08: 24°C / 18°C
  • 2026-09-09: 29°C / 18°C
  • 2026-09-10: 25°C / 12°C
  • 2026-09-11: 24°C / 14°C
  • 2026-09-12: 26°C / 13°C
  • 2026-09-13: 28°C / 20°C
  • 2026-09-14: 24°C / 13°C
Is it going to rain in Onalaska today?

There is a 86% chance of rain in Onalaska today. Total expected precipitation: 13.4 mm.

What is the wind speed in Onalaska right now?

Wind in Onalaska is currently 21 km/h (13 mph) from the SSE.

What is the UV index in Onalaska right now?

The UV index in Onalaska is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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