Nagaoka Weather Conditions
Current Temperature Level
Nagaoka Weather Conditions
Current Temperature Level
Last Updated: 2026-08-18 23:00 (Local Time)
Overcast
Fully overcast skies with a high of 24 °C. Humidity will be 73%, and winds at 13.3 km/h.29°C / 22°C
Sunrise
05:03 AM13hrs 26min
Sunset
06:29 PMAugustWeather Overview
No. of days:
Sunny
4
Cloudy
2
Rainy
13
Snowy
0
The monthly weather averages in Nagaoka consist of 4 sunny days, 2 cloudy days, 13 rainy days, and 0 snowy days.
Japan's Hottest Cities - August 2026
1.
Ishigaki, Okinawa
28 °C
Patchy rain nearby
84%
0
30.2 kmph / ENE
2.
Yamaga, Kumamoto
28 °C
Clear
69%
0
3.6 kmph / SSW
3.
Arao, Kumamoto
28 °C
Clear
69%
0
3.6 kmph / SSW
4.
Tamana, Kumamoto
28 °C
Clear
69%
0
3.6 kmph / SSW
5.
Tama, Okayama
28 °C
Patchy rain nearby
78%
0
5.4 kmph / W
6.
Kanzakimachi Kanzaki, Saga
28 °C
Clear
66%
0
4.3 kmph / NE
7.
Ishinari, Saga
28 °C
Clear
66%
0
4.3 kmph / NE
8.
Osawa, Fukuoka
28 °C
Clear
66%
0
4.3 kmph / NE
9.
Miyajima, Kumamoto
28 °C
Clear
66%
0
4.3 kmph / NE
10.
Nomimachi, Ishikawa
28 °C
Partly Cloudy
71%
0
6.1 kmph / SSW
Last Updated: 18 Aug 2026, 02:18 PM
City Weather RankingsFAQs About Nagaoka Weather Conditions
1. What is the current temperature in Nagaoka today - 18 August 2026?
1. What is the current temperature in Nagaoka today - 18 August 2026?
The current temperature in Nagaoka is 23°C, with a feels-like temperature of 25°C. Today's forecast shows a high of 29°C and a low of 22°C, giving a 7 degree swing through the day as of 11:00 PM 18 August 2026.
2. What are the current weather parameters in Nagaoka today?
2. What are the current weather parameters in Nagaoka today?
Here is a complete overview of Nagaoka's current weather conditions as of 11:00 PM 18 August 2026: Condition : Overcast Temperature : 23°C Pleasant (Feels like 25°C) Humidity : 84% Wind Speed : 5.4 km/h from SW (225 degrees), Gust 1.8 m/s UV Index : 0 (Low Air Pressure : 1017 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 0 mm (20% chance of rain)
3. What is the 10-day weather forecast for Nagaoka from 11:00 PM 18 August 2026?
3. What is the 10-day weather forecast for Nagaoka from 11:00 PM 18 August 2026?
From 11:00 PM 18 August 2026, Nagaoka's 10-day forecast shows this trend: Today (Aug. 18) : Temp. 24°C, Hum. 73% and Overcast condition. Wednesday (Aug. 19) : Temp. 25°C, Hum. 68% and Overcast condition. Thursday (Aug. 20) : Temp. 26°C, Hum. 69% and Patchy rain nearby condition. Friday (Aug. 21) : Temp. 25°C, Hum. 77% and Patchy rain nearby condition. Saturday (Aug. 22) : Temp. 25°C, Hum. 82% and Rain Shower condition. Sunday (Aug. 23) : Temp. 22°C, Hum. 86% and Rain Shower condition. Monday (Aug. 24) : Temp. 23°C, Hum. 90% and Patchy rain nearby condition. Tuesday (Aug. 25) : Temp. 26°C, Hum. 79% and Rain Shower condition. Wednesday (Aug. 26) : Temp. 26°C, Hum. 72% and Rain Showers condition. Thursday (Aug. 27) : Temp. 26°C, Hum. 72% and Rain Showers condition.
4. Will it rain in Nagaoka today?
4. Will it rain in Nagaoka today?
As of 11:00 PM 18 August 2026, there is a 26% chance of rainfall in Nagaoka later today around 2026-08-18 23:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for Nagaoka in August 2026?
5. What is the monthly weather forecast for Nagaoka in August 2026?
August 2026 in Nagaoka is forecast to have 4 sunny days, 13 rainy days, 2 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 10°C to highs of 35°C.
6. How does the weather in Nagaoka affect air quality?
6. How does the weather in Nagaoka affect air quality?
Weather directly impacts air quality in Nagaoka. 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.



