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

Semmi, Nagano

71°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Semmi

Nagano

71°
No results found.
Try searching for a city, zip code or point of interest.
settings
Semmi, 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 Hourly

Daily

 Radar MinuteCast® Monthly Air Quality Health & Activities
2
Dense Fog Advisory

September 15 - October 29

Mon 9/15

91° /65°
91%
Mostly cloudy, warmer and humid; a morning thunderstorm in parts of the area followed by occasional rain and a thunderstorm in the afternoon
alerts

Dense Fog Advisory

3:00 AM Monday - 12:00 PM Monday
alerts

Thunderstorm Advisory

3:00 AM Monday - 12:00 AM Tuesday

RealFeel®103°

RealFeel Shade™96°

Max UV Index5.0 (Moderate)

WindW 5 mph

Tue 9/16

93° /67°
17%
Partly sunny, hot and less humid; caution advised if doing strenuous activities outside

RealFeel®98°

RealFeel Shade™91°

Max UV Index7.0 (High)

WindSSE 5 mph

Wed 9/17

94° /67°
25%
Partly sunny and hot; caution advised if outside for extended periods of time

RealFeel®100°

RealFeel Shade™95°

Max UV Index6.0 (High)

WindSW 6 mph

Thu 9/18

87° /62°
55%
Very warm and humid with some sun, then turning cloudy; an afternoon thunderstorm in spots

RealFeel®96°

RealFeel Shade™89°

Max UV Index6.0 (High)

WindW 6 mph

Fri 9/19

79° /61°
25%
Pleasant with a blend of sun and clouds

RealFeel®85°

RealFeel Shade™78°

Max UV Index6.0 (High)

WindNE 5 mph

Sat 9/20

74° /57°
55%
Considerable cloudiness with occasional rain and a thunderstorm; humid

RealFeel®76°

RealFeel Shade™73°

Max UV Index2.0 (Low)

WindNNE 6 mph

Sun 9/21

79° /62°
55%
Intervals of clouds and sunshine with a couple of showers

RealFeel®85°

RealFeel Shade™77°

Max UV Index6.0 (High)

WindESE 2 mph

Mon 9/22

75° /60°
20%
Sunshine and some clouds

RealFeel®82°

RealFeel Shade™74°

Max UV Index6.0 (High)

WindNNE 2 mph

Tue 9/23

74° /64°
75%
Rain

RealFeel®77°

RealFeel Shade™72°

Max UV Index3.0 (Moderate)

WindNNE 2 mph

Wed 9/24

75° /58°
75%
Humid with rain

RealFeel®77°

RealFeel Shade™74°

Max UV Index4.0 (Moderate)

WindSSE 6 mph

Thu 9/25

77° /55°
1%
Sun through high clouds and less humid

RealFeel®78°

RealFeel Shade™75°

Max UV Index3.0 (Moderate)

WindSSE 2 mph

Fri 9/26

78° /61°
8%
Sun and areas of high clouds in the morning, then mostly cloudy in the afternoon

RealFeel®80°

RealFeel Shade™76°

Max UV Index4.0 (Moderate)

WindS 2 mph

Sat 9/27

70° /58°
55%
Cloudy with a bit of rain

RealFeel®70°

RealFeel Shade™69°

Max UV Index2.0 (Low)

WindNE 2 mph

Sun 9/28

71° /56°
25%
Cloudy

RealFeel®71°

RealFeel Shade™69°

Max UV Index2.0 (Low)

WindNNE 5 mph

Mon 9/29

70° /54°
69%
Mostly cloudy with showers in the afternoon

RealFeel®70°

RealFeel Shade™68°

Max UV Index3.0 (Moderate)

WindENE 4 mph

Tue 9/30

68° /52°
25%
Intervals of clouds and sunshine

RealFeel®69°

RealFeel Shade™66°

Max UV Index2.0 (Low)

WindN 4 mph

Wed 10/1

69° /52°
25%
Intervals of clouds and sunshine

RealFeel®71°

RealFeel Shade™69°

Max UV Index2.0 (Low)

WindW 1 mph

Thu 10/2

69° /54°
25%
Considerable cloudiness

RealFeel®70°

RealFeel Shade™69°

Max UV Index2.0 (Low)

WindESE 1 mph

Fri 10/3

70° /52°
60%
Mostly cloudy; a shower in spots in the morning followed by a little rain in the afternoon

RealFeel®69°

RealFeel Shade™68°

Max UV Index3.0 (Moderate)

WindSSW 4 mph

Sat 10/4

68° /50°
10%
Mostly sunny

RealFeel®75°

RealFeel Shade™66°

Max UV Index5.0 (Moderate)

WindNW 2 mph

Sun 10/5

68° /50°
20%
Partly sunny

RealFeel®72°

RealFeel Shade™66°

Max UV Index5.0 (Moderate)

WindN 4 mph

Mon 10/6

67° /51°
25%
Sun and clouds

RealFeel®70°

RealFeel Shade™67°

Max UV Index2.0 (Low)

WindNNE 2 mph

Tue 10/7

66° /49°
25%
Periods of sunshine

RealFeel®71°

RealFeel Shade™67°

Max UV Index4.0 (Moderate)

Wind0 mph

Wed 10/8

67° /50°
25%
Overcast

RealFeel®68°

RealFeel Shade™67°

Max UV Index2.0 (Low)

WindSE 1 mph

Thu 10/9

67° /54°
66%
Rain

RealFeel®66°

RealFeel Shade™66°

Max UV Index1.0 (Low)

WindENE 4 mph

Fri 10/10

69° /51°
25%
Intervals of clouds and sunshine

RealFeel®70°

RealFeel Shade™69°

Max UV Index3.0 (Moderate)

WindNW 2 mph

Sat 10/11

69° /51°
20%
Intervals of clouds and sunshine

RealFeel®71°

RealFeel Shade™68°

Max UV Index3.0 (Moderate)

WindSSW 1 mph

Sun 10/12

68° /53°
25%
Intervals of clouds and sunshine

RealFeel®70°

RealFeel Shade™67°

Max UV Index2.0 (Low)

WindW 1 mph

Mon 10/13

70° /49°
10%
Sunny

RealFeel®75°

RealFeel Shade™69°

Max UV Index5.0 (Moderate)

WindE 1 mph

Tue 10/14

69° /52°
20%
Times of clouds and sun

RealFeel®70°

RealFeel Shade™68°

Max UV Index2.0 (Low)

WindN 1 mph

Wed 10/15

70° /50°
25%
Turning cloudy

RealFeel®70°

RealFeel Shade™70°

Max UV Index3.0 (Moderate)

Wind0 mph

Thu 10/16

69° /50°
10%
Mostly sunny

RealFeel®75°

RealFeel Shade™68°

Max UV Index4.0 (Moderate)

WindENE 1 mph

Fri 10/17

69° /51°
25%
Mostly cloudy

RealFeel®69°

RealFeel Shade™69°

Max UV Index2.0 (Low)

WindNE 1 mph

Sat 10/18

68° /48°
10%
Mostly sunny

RealFeel®74°

RealFeel Shade™66°

Max UV Index4.0 (Moderate)

WindNNE 1 mph

Sun 10/19

69° /49°
25%
Plenty of clouds

RealFeel®69°

RealFeel Shade™69°

Max UV Index1.0 (Low)

WindW 1 mph

Mon 10/20

68° /43°
56%
Intervals of clouds and sunshine with a passing shower in the afternoon

RealFeel®68°

RealFeel Shade™66°

Max UV Index2.0 (Low)

WindW 4 mph

Tue 10/21

61° /42°
20%
Sun and some clouds

RealFeel®68°

RealFeel Shade™62°

Max UV Index4.0 (Moderate)

WindWNW 2 mph

Wed 10/22

61° /46°
25%
Cloudy most of the time

RealFeel®63°

RealFeel Shade™63°

Max UV Index1.0 (Low)

WindSW 4 mph

Thu 10/23

64° /42°
20%
Times of clouds and sun

RealFeel®66°

RealFeel Shade™65°

Max UV Index2.0 (Low)

WindNNW 5 mph

Fri 10/24

60° /45°
25%
Turning cloudy

RealFeel®62°

RealFeel Shade™62°

Max UV Index2.0 (Low)

WindSSW 4 mph

Sat 10/25

64° /47°
63%
Rain

RealFeel®64°

RealFeel Shade™64°

Max UV Index1.0 (Low)

WindSW 6 mph

Sun 10/26

65° /45°
25%
Times of clouds and sun

RealFeel®66°

RealFeel Shade™66°

Max UV Index2.0 (Low)

WindNNW 4 mph

Mon 10/27

65° /45°
0%
Partly sunny

RealFeel®69°

RealFeel Shade™65°

Max UV Index4.0 (Moderate)

WindNNE 5 mph

Tue 10/28

66° /40°
0%
Abundant sunshine

RealFeel®67°

RealFeel Shade™63°

Max UV Index4.0 (Moderate)

WindSSW 6 mph

Wed 10/29

61° /39°
25%
A blend of sun and clouds

RealFeel®60°

RealFeel Shade™57°

Max UV Index2.0 (Low)

WindWNW 7 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Top Stories

Hurricane

Potential tropical development in Gulf poses primary U.S. threat

3 hours ago

Weather Forecasts

Highs 90-100 F to challenge heat records in Mississippi Valley

3 hours ago

Astronomy

Chi Cygnid meteor shower peaks this weekend, won’t return until 2030

1 day ago

Weather Forecasts

Dry spell continues for some in the East while beneficial rain arrives

1 hour ago

Hurricane

Western US to heat up ahead of next surge of tropical moisture

3 hours ago

 More Stories

Featured Stories

Health

Endangered sharks found in mislabeled U.S. seafood

2 days ago

Weather News

Surfside condo collapse likely began on pool deck, investigators say

4 days ago

Weather News

NOAA launches robotic hurricane research vessels

1 week ago

Hurricane

125 years later, Galveston hurricane is still the deadliest U.S. storm

6 days ago

Climate

Scientists find a surprising reason why people are eating more sugar

6 days ago
World Asia Japan Nagano Semmi

Weather Near Semmi:

  • Chino-shi, Nagano
  • Ina-shi, Nagano
  • Okaya-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 RealFeel® and RealFeel Shade™ 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 RealFeel® and RealFeel Shade™ 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
© 2025 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

...

...

...