Nagano Weather Conditions

Current Temperature Level

mist
18°C
31°C18°C
Cool

Mist

Feels Like 20°C

Chances of Rain31%

Good

29AQI

Humidity

97%

Nowmist19°31%1 AMmist18°30%2 AMmist18°28%3 AMpartly cloudy18°23%4 AMpartly cloudy18°20%5 AMpartly cloudy18°20%6 AMpartly cloudy20°20%7 AMpartly cloudy23°19%8 AMpatchy rain possible24°24%9 AMpatchy rain possible26°27%10 AMpatchy rain possible29°19%11 AMpatchy rain possible30°23%12 PMpatchy rain possible30°36%1 PMpatchy rain possible31°22%2 PMpatchy rain possible30°22%3 PMpatchy rain possible28°36%4 PMpatchy rain possible22°79%5 PMpatchy rain possible21°76%6 PMmist19°23%7 PMmist18°26%8 PMmist19°29%9 PMfog19°42%10 PMmist18°28%11 PMmist18°29%
.

Mist may reduce visibility at times.

Last Updated: 2026-08-09 00:00 (Local Time)

Nagano Weather Parameters

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Nagano 10-Days Weather Forecast

See Monthly
Today9 Aug.


Patchy rain nearby

Patchy rain nearby

Occasional light rain is expected and humidity will be 85%, with winds at 7.6 km/h.


temperature icon

31°C  /  18°C

temperature iconHumi.85 %
temperature iconPrec.6.04 mm


Sunrise icon

Sunrise

05:00 AM

13hrs 45min

Sunset icon

Sunset

06:45 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

MistMist

19 °C

97 %

0

1.4 kmph /  SSW

Feels Like IconFeels 22 °C

Temperature IconCover 63 %

Visibility IconVisibility 2 km

1 AM

MistMist

18 °C

97 %

0

3.6 kmph /  SSE

Feels Like IconFeels 20 °C

Temperature IconCover 62 %

Visibility IconVisibility 2 km

2 AM

MistMist

18 °C

96 %

0

1.1 kmph /  S

Feels Like IconFeels 21 °C

Temperature IconCover 57 %

Visibility IconVisibility 2 km

3 AM

Partly CloudyPartly Cloudy

18 °C

96 %

0

0.7 kmph /  WSW

Feels Like IconFeels 21 °C

Temperature IconCover 54 %

Visibility IconVisibility 10 km

4 AM

Partly CloudyPartly Cloudy

18 °C

94 %

0

0.7 kmph /  SSW

Feels Like IconFeels 20 °C

Temperature IconCover 44 %

Visibility IconVisibility 10 km

5 AM

Partly CloudyPartly Cloudy

18 °C

94 %

0

1.1 kmph /  SW

Feels Like IconFeels 20 °C

Temperature IconCover 43 %

Visibility IconVisibility 10 km

6 AM

Partly CloudyPartly Cloudy

20 °C

93 %

0.2

0.7 kmph /  SW

Feels Like IconFeels 24 °C

Temperature IconCover 48 %

Visibility IconVisibility 10 km

7 AM

Partly CloudyPartly Cloudy

23 °C

90 %

0.9

0.7 kmph /  WSW

Feels Like IconFeels 27 °C

Temperature IconCover 47 %

Visibility IconVisibility 10 km

8 AM

Patchy rain nearbyPatchy rain nearby

24 °C

84 %

2.1

0.4 kmph /  WNW

Feels Like IconFeels 29 °C

Temperature IconCover 78 %

Visibility IconVisibility 10 km

9 AM

Patchy rain nearbyPatchy rain nearby

26 °C

73 %

4.2

0.7 kmph /  NW

Feels Like IconFeels 29 °C

Temperature IconCover 89 %

Visibility IconVisibility 10 km

10 AM

Patchy rain nearbyPatchy rain nearby

29 °C

63 %

6

1.4 kmph /  NW

Feels Like IconFeels 31 °C

Temperature IconCover 77 %

Visibility IconVisibility 10 km

11 AM

Patchy rain nearbyPatchy rain nearby

30 °C

58 %

7.2

3.2 kmph /  N

Feels Like IconFeels 32 °C

Temperature IconCover 83 %

Visibility IconVisibility 9 km

12 PM

Patchy rain nearbyPatchy rain nearby

30 °C

56 %

7.3

4.3 kmph /  NNE

Feels Like IconFeels 33 °C

Temperature IconCover 88 %

Visibility IconVisibility 9 km

1 PM

Patchy rain nearbyPatchy rain nearby

31 °C

55 %

6.8

5.8 kmph /  NNE

Feels Like IconFeels 33 °C

Temperature IconCover 78 %

Visibility IconVisibility 9 km

2 PM

Patchy rain nearbyPatchy rain nearby

30 °C

59 %

4.2

6.5 kmph /  NNE

Feels Like IconFeels 32 °C

Temperature IconCover 86 %

Visibility IconVisibility 9 km

3 PM

Patchy rain nearbyPatchy rain nearby

28 °C

69 %

2.5

7.6 kmph /  NNE

Feels Like IconFeels 31 °C

Temperature IconCover 71 %

Visibility IconVisibility 9 km

4 PM

Patchy rain nearbyPatchy rain nearby

22 °C

89 %

1.3

6.1 kmph /  NE

Feels Like IconFeels 25 °C

Temperature IconCover 85 %

Visibility IconVisibility 9 km

5 PM

Patchy rain nearbyPatchy rain nearby

21 °C

89 %

0.5

5.4 kmph /  NE

Feels Like IconFeels 23 °C

Temperature IconCover 88 %

Visibility IconVisibility 9 km

6 PM

MistMist

19 °C

94 %

0.1

4.7 kmph /  NNE

Feels Like IconFeels 22 °C

Temperature IconCover 36 %

Visibility IconVisibility 2 km

7 PM

MistMist

18 °C

95 %

0

4 kmph /  NNE

Feels Like IconFeels 20 °C

Temperature IconCover 48 %

Visibility IconVisibility 2 km

8 PM

MistMist

19 °C

96 %

0

3.6 kmph /  NNE

Feels Like IconFeels 21 °C

Temperature IconCover 59 %

Visibility IconVisibility 2 km

9 PM

FogFog

19 °C

97 %

0

4 kmph /  NNE

Feels Like IconFeels 21 °C

Temperature IconCover 100 %

Visibility IconVisibility 0 km

10 PM

MistMist

18 °C

96 %

0

3.2 kmph /  NNE

Feels Like IconFeels 20 °C

Temperature IconCover 56 %

Visibility IconVisibility 2 km

11 PM

MistMist

18 °C

97 %

0

2.2 kmph /  NE

Feels Like IconFeels 21 °C

Temperature IconCover 59 %

Visibility IconVisibility 2 km

Temp19 °C


ConditionMist


Humidity97 %

Feels22 °C


Cover63 %


Visibility2 km

Wind Speed & Dir.1.4 kmph /  SSW


UV0

Nagano 30-Days (August 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain nearby33°17°
2
Mist33°17°
3
Patchy rain nearby29°19°
4
Partly Cloudy31°15°
5
Sunny34°13°
6
Sunny35°17°
7
Patchy rain nearby35°18°
8
Patchy rain nearby32°18°
9Today
Patchy rain nearby31°18°
10
Patchy rain nearby30°15°
11
Patchy rain nearby28°14°
12
Patchy rain nearby28°15°
13
Patchy rain nearby29°14°
14
Patchy rain nearby29°15°
15
Partly Cloudy24°15°
16
Rain Showers30°20°
17
Rain Showers28°19°
18
Rain Showers29°19°
19
Rain Showers29°19°
20
Rain Showers28°19°
21
Rain Showers29°19°
22
Rain Showers29°19°
23
Rain Showers29°19°
24
Rain Showers28°19°
25
Rain Showers28°18°
26
Rain Showers28°18°
27
Rain Showers28°18°
28
Rain Showers27°18°
29
Rain Showers28°18°
30
Rain Showers27°18°
31
Rain Showers28°18°

AugustWeather Overview

No. of days:

Sunny

Sunny

2

Cloudy

Cloudy

2

Rainy

Rainy

26

Snowy

Snowy

0


The monthly weather averages in Nagano consist of 2 sunny days, 2 cloudy days, 26 rainy days, and 0 snowy days.

Nagano's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
18 °C
mistMist
97%
0

3.6 kmph /  SSW

18 °C
mistMist
97%
0

3.6 kmph /  SSW

18 °C
mistMist
97%
0

3.6 kmph /  SSE

18 °C
mistMist
97%
0

3.6 kmph /  SSW

Japan's Hottest Cities - August 2026

Hottest
Coldest

Last Updated: 08 Aug 2026, 03:10 PM

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FAQs About Nagano Weather Conditions


1. What is the current temperature in Nagano today - 09 August 2026?

The current temperature in Nagano is 18°C, with a feels-like temperature of 20°C. Today's forecast shows a high of 31°C and a low of 18°C, giving a 13 degree swing through the day as of 12:00 AM 09 August 2026.

2. What are the current weather parameters in Nagano today?

Here is a complete overview of Nagano's current weather conditions as of 12:00 AM 09 August 2026: Condition : Mist Temperature : 18°C Cool (Feels like 20°C) Humidity : 97% Wind Speed : 3.6 km/h from SSE (163 degrees), Gust 1.5 m/s UV Index : 0 (Low Air Pressure : 1009 mb Cloud Cover : 62% Visibility : 2 km Precipitation : 0 mm (81% chance of rain)

3. What is the 10-day weather forecast for Nagano from 12:00 AM 09 August 2026?

From 12:00 AM 09 August 2026, Nagano's 10-day forecast shows this trend: Today (Aug. 9) : Temp. 22°C, Hum. 85% and Patchy rain nearby condition. Monday (Aug. 10) : Temp. 22°C, Hum. 83% and Patchy rain nearby condition. Tuesday (Aug. 11) : Temp. 19°C, Hum. 85% and Mist condition. Wednesday (Aug. 12) : Temp. 20°C, Hum. 86% and Patchy rain nearby condition. Thursday (Aug. 13) : Temp. 21°C, Hum. 78% and Patchy rain nearby condition. Friday (Aug. 14) : Temp. 21°C, Hum. 84% and Patchy rain nearby condition. Saturday (Aug. 15) : Temp. 22°C, Hum. 81% and Patchy rain nearby condition. Sunday (Aug. 16) : Temp. 20°C, Hum. 78% and Sunny condition. Monday (Aug. 17) : Temp. 23°C, Hum. 82% and Rain Showers condition. Tuesday (Aug. 18) : Temp. 23°C, Hum. 81% and Rain Showers condition.

4. Will it rain in Nagano today?

As of 12:00 AM 09 August 2026, there is a 31% chance of rainfall in Nagano later today around 2026-08-09 00:00. Current precipitation is 0.01 mm. Residents are advised to carry an umbrella before heading out.

5. What is the monthly weather forecast for Nagano in August 2026?

August 2026 in Nagano is forecast to have 2 sunny days, 26 rainy days, 2 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 13°C to highs of 35°C.

6. How does the weather in Nagano affect air quality?

Weather directly impacts air quality in Nagano. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.