Nagano Weather Conditions
Current Temperature Level
Nagano Weather Conditions
Current Temperature Level
Last Updated: 2026-08-18 16:30 (Local Time)
Patchy rain nearby
Occasional light rain is expected and humidity will be 69%, with winds at 14.8 km/h.33°C / 23°C
Sunrise
05:02 AM13hrs 27min
Sunset
06:29 PMAugustWeather Overview
No. of days:
Sunny
4
Cloudy
5
Rainy
15
Snowy
0
The monthly weather averages in Nagano consist of 4 sunny days, 5 cloudy days, 15 rainy days, and 0 snowy days.
Japan's Hottest Cities - August 2026
1.
Kanzakimachi Kanzaki, Saga
35 °C
Overcast
36%
2.9
12.6 kmph / SW
2.
Ishinari, Saga
35 °C
Overcast
36%
2.8
12.6 kmph / SW
3.
Miyajima, Kumamoto
35 °C
Overcast
36%
3
12.6 kmph / SW
4.
Osawa, Fukuoka
35 °C
Overcast
36%
3
12.6 kmph / SW
5.
Saga, Saga
34 °C
Overcast
45%
2.9
11.2 kmph / S
6.
Ogoshi, Kumamoto
33 °C
Partly Cloudy
48%
2
15.5 kmph / WSW
7.
Yashima, Kumamoto
33 °C
Partly Cloudy
48%
2
15.5 kmph / WSW
8.
Kumamoto, Kumamoto
33 °C
Partly Cloudy
48%
2.2
15.5 kmph / WSW
9.
Yashiki, Kumamoto
33 °C
Partly Cloudy
48%
1.8
15.5 kmph / WSW
10.
Hasuda, Saitama
33 °C
Patchy rain nearby
43%
2.4
15.1 kmph / SSE
Last Updated: 18 Aug 2026, 07:37 AM
City Weather RankingsFAQs About Nagano Weather Conditions
1. What is the current temperature in Nagano today - 18 August 2026?
1. What is the current temperature in Nagano today - 18 August 2026?
The current temperature in Nagano is 32°C, with a feels-like temperature of 32°C. Today's forecast shows a high of 33°C and a low of 23°C, giving a 10 degree swing through the day as of 04:30 PM 18 August 2026.
2. What are the current weather parameters in Nagano today?
2. What are the current weather parameters in Nagano today?
Here is a complete overview of Nagano's current weather conditions as of 04:30 PM 18 August 2026: Condition : Overcast Temperature : 32°C Hot (Feels like 32°C) Humidity : 44% Wind Speed : 14.4 km/h from SE (131 degrees), Gust 7 m/s UV Index : 1.3 (Low Air Pressure : 1014 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 0 mm (60% chance of rain)
3. What is the 10-day weather forecast for Nagano from 04:30 PM 18 August 2026?
3. What is the 10-day weather forecast for Nagano from 04:30 PM 18 August 2026?
From 04:30 PM 18 August 2026, Nagano's 10-day forecast shows this trend: Today (Aug. 18) : Temp. 28°C, Hum. 69% and Patchy rain nearby condition. Wednesday (Aug. 19) : Temp. 29°C, Hum. 61% and Overcast condition. Thursday (Aug. 20) : Temp. 29°C, Hum. 67% and Patchy rain nearby condition. Friday (Aug. 21) : Temp. 29°C, Hum. 64% and Patchy rain nearby condition. Saturday (Aug. 22) : Temp. 28°C, Hum. 73% and Patchy rain nearby condition. Sunday (Aug. 23) : Temp. 25°C, Hum. 78% and Rain Shower condition. Monday (Aug. 24) : Temp. 25°C, Hum. 84% and Rain Shower condition. Tuesday (Aug. 25) : Temp. 29°C, Hum. 71% and Overcast condition. Wednesday (Aug. 26) : Temp. 27°C, Hum. 69% and Rain Showers condition. Thursday (Aug. 27) : Temp. 27°C, Hum. 70% and Rain Showers condition.
4. Will it rain in Nagano today?
4. Will it rain in Nagano today?
As of 04:30 PM 18 August 2026, there is a 12% chance of rainfall in Nagano later today around 2026-08-18 17:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for Nagano in August 2026?
5. What is the monthly weather forecast for Nagano in August 2026?
August 2026 in Nagano is forecast to have 4 sunny days, 15 rainy days, 5 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 11°C to highs of 38°C.
6. How does the weather in Nagano affect air quality?
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.



