Nagaoka Weather Conditions
Current Temperature Level
Nagaoka Weather Conditions
Current Temperature Level
Feels Like 27°C
Chances of Rain8%
25°8%10 AM
27°12%11 AM27°13%12 PM
28°7%1 PM
29°10%2 PM30°9%3 PM30°4%4 PM29°7%5 PM26°17%6 PM25°20%7 PM24°21%8 PM24°23%9 PM23°24%10 PM23°25%11 PM23°26%12 AM23°27%1 AM22°28%2 AM22°28%3 AM22°28%4 AM22°29%5 AM22°28%6 AM22°20%7 AM23°15%8 AM25°19%It may stay partly cloudy and comfortable.
Last Updated: 2026-08-18 09:00 (Local Time)
113°ESE
Direction
6.1km/h
Wind Speed
Gust Speed
1.7m/s
Precipitation
Precipitation
0mm
Pressure
1016mb
UV Index
4.8Moderate
Today
25
°C
72%Wednesday
25
°C69%Thursday
26
°C67%Friday
25
°C72%Saturday
26
°C75%Sunday
26
°C77%Monday
26
°C77%Tuesday
26
°C74%Wednesday
26
°C72%Thursday
26
°C72%Overcast
Fully overcast skies with a high of 25 °C. Humidity will be 72%, and winds at 12.6 km/h.30°C / 21°C
Humi.72 %
Prec.0.03 mm
Sunrise
05:03 AM13hrs 26min
Sunset
06:29 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Overcast
22 °C
88 %
0
4.7 kmph / WSW
Overcast
Feels 25 °C
Cover 97 %
Visibility 10 km
1 AM
Overcast
22 °C
89 %
0
5.4 kmph / WSW
OvercastFeels 24 °C
Cover 93 %
Visibility 10 km
2 AM
Clear
21 °C
88 %
0
5.8 kmph / W
ClearFeels 24 °C
Cover 10 %
Visibility 10 km
3 AM
Cloudy
21 °C
87 %
0
5.8 kmph / W
CloudyFeels 24 °C
Cover 87 %
Visibility 10 km
4 AM
Cloudy
21 °C
86 %
0
6.1 kmph / WNW
CloudyFeels 23 °C
Cover 86 %
Visibility 10 km
5 AM
Overcast
21 °C
85 %
0
5 kmph / W
OvercastFeels 24 °C
Cover 93 %
Visibility 10 km
6 AM
Overcast
21 °C
83 %
0.3
5 kmph / WNW
OvercastFeels 23 °C
Cover 93 %
Visibility 10 km
7 AM
Overcast
23 °C
78 %
1.1
1.1 kmph / NW
OvercastFeels 26 °C
Cover 100 %
Visibility 10 km
8 AM
Overcast
24 °C
75 %
2.8
2.9 kmph / E
OvercastFeels 27 °C
Cover 92 %
Visibility 10 km
9 AM
Partly Cloudy
25 °C
70 %
4.8
6.1 kmph / ESE
Partly CloudyFeels 27 °C
Cover 32 %
Visibility 10 km
10 AM
Patchy rain nearby
27 °C
63 %
7.1
8.3 kmph / ESE
Patchy rain nearbyFeels 28 °C
Cover 80 %
Visibility 10 km
11 AM
Patchy rain nearby
27 °C
58 %
8.5
8.6 kmph / ESE
Patchy rain nearbyFeels 29 °C
Cover 97 %
Visibility 10 km
12 PM
Cloudy
28 °C
53 %
7.4
8.6 kmph / SE
CloudyFeels 29 °C
Cover 65 %
Visibility 10 km
1 PM
Overcast
29 °C
49 %
6.5
8.6 kmph / SE
OvercastFeels 30 °C
Cover 89 %
Visibility 10 km
2 PM
Cloudy
30 °C
47 %
4.9
10.1 kmph / ESE
CloudyFeels 30 °C
Cover 85 %
Visibility 10 km
3 PM
Partly Cloudy
30 °C
46 %
2.4
12.2 kmph / SE
Partly CloudyFeels 30 °C
Cover 43 %
Visibility 10 km
4 PM
Cloudy
29 °C
48 %
0.9
12.6 kmph / SE
CloudyFeels 29 °C
Cover 69 %
Visibility 10 km
5 PM
Overcast
26 °C
67 %
0.4
11.5 kmph / SSE
OvercastFeels 27 °C
Cover 100 %
Visibility 10 km
6 PM
Overcast
25 °C
73 %
0
9 kmph / SSE
OvercastFeels 26 °C
Cover 100 %
Visibility 10 km
7 PM
Overcast
24 °C
76 %
0
7.2 kmph / S
OvercastFeels 26 °C
Cover 100 %
Visibility 10 km
8 PM
Overcast
24 °C
79 %
0
6.5 kmph / S
OvercastFeels 26 °C
Cover 100 %
Visibility 10 km
9 PM
Overcast
23 °C
81 %
0
6.1 kmph / SSW
OvercastFeels 26 °C
Cover 100 %
Visibility 10 km
10 PM
Overcast
23 °C
83 %
0
6.1 kmph / SW
OvercastFeels 25 °C
Cover 100 %
Visibility 10 km
11 PM
Overcast
23 °C
84 %
0
5 kmph / SW
OvercastFeels 25 °C
Cover 100 %
Visibility 10 km
35°26°35°24°25°22°30°21°30°21°33°25°33°25°34°25°32°25°30°24°28°21°23°21°29°22°28°23°30°23°29°23°16°10°29°22°30°22°30°22°30°23°29°23°30°23°30°23°32°23°31°23°30°23°29°22°30°23°30°23°30°23°AugustWeather Overview
No. of days:
Sunny
5
Cloudy
3
Rainy
14
Snowy
0
The monthly weather averages in Nagaoka consist of 5 sunny days, 3 cloudy days, 14 rainy days, and 0 snowy days.
Japan's Hottest Cities - August 2026
1.
Ishinari, Saga
31 °C
Cloudy
57%
3.7
4 kmph / SSW
2.
Tachiarai, Fukuoka
31 °C
Cloudy
57%
3.8
4 kmph / SSW
3.
Osawa, Fukuoka
31 °C
Cloudy
57%
3.7
4 kmph / SSW
4.
Kanzakimachi Kanzaki, Saga
31 °C
Cloudy
57%
3.7
4 kmph / SSW
5.
Miyajima, Kumamoto
31 °C
Cloudy
57%
3.7
4 kmph / SSW
6.
Ogoshi, Kumamoto
30 °C
Overcast
55%
3.9
3.6 kmph / SE
7.
Yashima, Kumamoto
30 °C
Overcast
55%
3.9
3.6 kmph / SE
8.
Kumamoto, Kumamoto
30 °C
Overcast
55%
3.9
3.6 kmph / SE
9.
Yashiki, Kumamoto
30 °C
Overcast
55%
3.9
3.6 kmph / SE
10.
Kamiichi, Toyama
30 °C
Cloudy
56%
4.4
5 kmph / WSW
Last Updated: 18 Aug 2026, 12:14 AM
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 25°C, with a feels-like temperature of 27°C. Today's forecast shows a high of 30°C and a low of 21°C, giving a 9 degree swing through the day as of 09:00 AM 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 09:00 AM 18 August 2026: Condition : Partly Cloudy Temperature : 25°C Pleasant (Feels like 27°C) Humidity : 70% Wind Speed : 6.1 km/h from ESE (113 degrees), Gust 1.7 m/s UV Index : 4.8 (Moderate Air Pressure : 1016 mb Cloud Cover : 32% Visibility : 10 km Precipitation : 0 mm (18% chance of rain)
3. What is the 10-day weather forecast for Nagaoka from 09:00 AM 18 August 2026?
3. What is the 10-day weather forecast for Nagaoka from 09:00 AM 18 August 2026?
From 09:00 AM 18 August 2026, Nagaoka's 10-day forecast shows this trend: Today (Aug. 18) : Temp. 25°C, Hum. 72% and Overcast condition. Wednesday (Aug. 19) : Temp. 25°C, Hum. 69% and Overcast condition. Thursday (Aug. 20) : Temp. 26°C, Hum. 67% and Sunny condition. Friday (Aug. 21) : Temp. 25°C, Hum. 72% and Patchy rain nearby condition. Saturday (Aug. 22) : Temp. 26°C, Hum. 75% and Rain Shower condition. Sunday (Aug. 23) : Temp. 26°C, Hum. 77% and Partly Cloudy condition. Monday (Aug. 24) : Temp. 26°C, Hum. 77% and Patchy rain nearby condition. Tuesday (Aug. 25) : Temp. 26°C, Hum. 74% and Sunny 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 09:00 AM 18 August 2026, there is a 8% chance of rainfall in Nagaoka later today around 2026-08-18 09:00. 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 5 sunny days, 14 rainy days, 3 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.
