Addison

Washington County, Wisconsin, United States

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Current Weather

24°

Mostly Cloudy

Feels Like: 25°

Min: 17°

Max: 26°

The next few hours will be clear, with today reaching 26°C and dropping to 13°C. The coming days will be drizzle

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Hourly Forecast

25° 24° 25° 24° 22° 20° 19° 18° 17° 16° 15° 15° 14° 14° 13° 13° 13° 13° 15° 17° 17° 17° 17° 17°
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12am
1am
2am
3am
4am
5am
6am
7am
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9am
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11am
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1pm
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Today
Tomorrow

Daylight Hours

06:36

Sunrise

19:02

Sunset

12 hours 25 minutes of sunlight today

Moon

Waxing Crescent

08:12

Moonrise

19:15

Moonset

Daily Forecast

Today

17°
26°

Sunday

12°
18°

Monday

19°

Tuesday

17°
23°

Wednesday

13°
19°

Thursday

16°
22°

Friday

13°
21°

Saturday

13°
20°

Sunday

11°
18°

Monday

16°

Air Quality Data Available

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UV Index

Wear sunscreen
5 Moderate
Low Extreme

Humidity

74% Humid
Low High

Weather in Addison today, September 12, 2026

Addison is set for a fine, sunny day on September 12, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside.

Temperatures climb from an overnight low near 17°C toward a daytime high of about 26°C. Moisture in the air spans 61%-77%, with the highest values around 18:00. A lighter breeze peaks around 15:00 near 5.0 km/h.

Afternoon skies stay clogged, peaking close to 100% near 16:00. The grey theme continues rather than clearing out. Expect visibility around 16.1 km. Sunrise is at 06:36 and sunset at 19:02, giving 12 hours 25 minutes of sunlight today.

In short, September 12, 2026 looks like a fine day in Addison for being outside, peaking around 26°C.

Frequently asked questions about weather in Addison

How warm does it get in Addison?

The warmest month in Addison is July, with average high temperatures of 28°C. The average temperature during this period is around 23°C.

How cold does it get in Addison?

The coldest month in Addison is January, with average low temperatures of -9°C. The average temperature during this period is around -6°C.

What is the wettest time of year in Addison?

The wettest month in Addison is April, with an average of 101mm of precipitation.

What is the driest time of year in Addison?

The driest month in Addison is February, with an average of 40mm of precipitation.

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Metric (°C, km/h)