Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

O, Nagano

17°F
Location Chevron down
Location News Videos
Use Current Location
Recent

O

Nagano

17°
No results found.
Try searching for a city, zip code or point of interest.
Create Account Unlock extended daily forecasts and additional saved locations — all with your free account.
Let's Go Chevron right
Have an account already? Login
settings
O, Nagano Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Today

WinterCast Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
3
Dense Fog Advisory

Today's Weather

Wed, Feb 4

Mostly sunny Hi: 37°

Tonight: Partly cloudy Lo: 19°

Current Weather

5:00 AM

17°F
RealFeel® 21°
Clear More Details
Wind NNE 2 mph
Wind Gusts 2 mph
Air Quality Fair

Looking Ahead

Icy conditions Friday afternoon

WinterCast®

Fri Afternoon

Ice

Lasting 3 hours

O Weather Radar

O Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

6 AM 19°
rain drop 0%
7 AM 20°
rain drop 0%
8 AM 20°
rain drop 0%
9 AM 23°
rain drop 0%
10 AM 26°
rain drop 0%
11 AM 29°
rain drop 0%
12 PM 32°
rain drop 0%
1 PM 35°
rain drop 0%
2 PM 36°
rain drop 0%
3 PM 37°
rain drop 0%
4 PM 35°
rain drop 0%
5 PM 32°
rain drop 0%

10-Day Weather Forecast

Today

2/4

37° 19°

Mostly sunny

Night: Partly cloudy

1%

Thu

2/5

40° 24°

Clouds and sun

Turning cloudy

1%

Fri

2/6

35° 12°

Afternoon icy mix; colder

Clouds, colder; a flurry late

75%

Sat

2/7

23° 12°

Cloudy and colder

A little snow late

25%

Sun

2/8

17° 6°

Frigid with a bit of snow

Colder; a little snow late

55%

Mon

2/9

32° 17°

A little snow in the morning

Partly cloudy

55%

Tue

2/10

44° 26°

Times of clouds and sun

Cloudy

1%

Wed

2/11

41° 23°

A bit of ice in the morning

A bit of ice late

55%

Thu

2/12

39° 18°

Morning snow, then a flurry

Cloudy with a little snow

3%

Fri

2/13

38° 19°

An a.m. flurry; mostly cloudy

Mostly cloudy

43%

Sun & Moon

10 hrs 28 mins
Rise 6:48 AM
Set 5:16 PM
Waning Gibbous
Rise 7:51 PM
Set 8:27 AM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Dust & Dander Very High Data is not supported in this location

Top Stories

Winter Weather

Snow squalls, brutal cold to return late week in Northeast

1 hour ago

Winter Weather

4 homes collapse into the ocean on North Carolina's Outer Banks

1 day ago

Winter Weather

Florida cold delivers falling iguanas and snow flurries

23 hours ago

Winter Weather

Frigid air eases in second week of February for Midwest, East

1 hour ago

Winter Weather

Another storm to bring stripe of snow for Ohio Valley, mid-Atlantic

1 hour ago

More Stories

Featured Stories

Weather News

Dense fog triggers massive Highway 99 pileup in California

2 days ago

Weather News

Daylight saving time 2026: When do clocks spring forward?

1 day ago

Astronomy

Newly discovered exoplanet may sit on the edge of habitability

1 day ago

Hurricane

Trash bin lost in Hurricane Sally makes 5-year trek to United Kingdom

2 days ago

Winter Weather

Snow piles nearly 7 feet high as deadly storms bury northern Japan

6 minutes ago

World Asia Japan Nagano O

Weather Near O:

  • Nagano-shi, Nagano
  • Omi-mura, Nagano
  • Ueda-shi, Nagano
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...