Hiroshima Weather Conditions

Current Temperature Level

light rain shower
18°C
19°C17°C
Cool

Rain Shower

Feels Like 20°C

Chances of Rain75%

Good

48AQI

Humidity

98%

Nowlight rain shower18°75%1 AMlight rain shower18°50%2 AMlight rain shower18°74%3 AMlight rain shower18°81%4 AMlight rain shower18°80%5 AMmoderate or heavy rain shower17°91%6 AMlight rain shower17°68%7 AMlight rain shower17°80%8 AMlight rain shower17°82%9 AMlight rain shower17°80%10 AMlight rain shower17°66%11 AMlight rain shower17°79%12 PMmist17°41%1 PMlight rain shower18°61%2 PMmist18°38%3 PMcloudy18°26%4 PMpartly cloudy19°16%5 PMsunny19°13%6 PMmist18°19%7 PMmist18°20%8 PMmist17°20%9 PMmist17°20%10 PMmist17°20%11 PMmist17°20%
.

Brief rain showers may pass through.

Last Updated: 2026-09-29 00:00 (Local Time)

Hiroshima Weather Parameters

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Hiroshima 10-Days Weather Forecast

See Monthly
Today29 Sep.


Rain Shower

Rain Shower

Scattered light rain showers with a high of 18 °C. Humidity will be 96%, with light winds at 7.2 km/h.


temperature icon

19°C  /  17°C

temperature iconHumi.96 %
temperature iconPrec.17.25 mm


Sunrise icon

Sunrise

06:03 AM

11hrs 54min

Sunset icon

Sunset

05:57 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

Rain ShowerRain Shower

18 °C

98 %

0

3.2 kmph /  E

Feels Like IconFeels 20 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

1 AM

Rain ShowerRain Shower

18 °C

98 %

0

3.6 kmph /  NNW

Feels Like IconFeels 20 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

2 AM

Rain ShowerRain Shower

18 °C

98 %

0

2.5 kmph /  E

Feels Like IconFeels 20 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

3 AM

Rain ShowerRain Shower

18 °C

98 %

0

3.2 kmph /  E

Feels Like IconFeels 20 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

4 AM

Rain ShowerRain Shower

18 °C

97 %

0

4 kmph /  ENE

Feels Like IconFeels 20 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

5 AM

Rain ShowersRain Showers

17 °C

98 %

0

5 kmph /  NE

Feels Like IconFeels 19 °C

Temperature IconCover 100 %

Visibility IconVisibility 7 km

6 AM

Rain ShowerRain Shower

17 °C

98 %

0

4.3 kmph /  ENE

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

7 AM

Rain ShowerRain Shower

17 °C

98 %

0

4.7 kmph /  NE

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

8 AM

Rain ShowerRain Shower

17 °C

97 %

0

4.3 kmph /  NE

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

9 AM

Rain ShowerRain Shower

17 °C

97 %

0.1

5 kmph /  NE

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

10 AM

Rain ShowerRain Shower

17 °C

97 %

0.2

5.8 kmph /  NNE

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

11 AM

Rain ShowerRain Shower

17 °C

97 %

0.3

5 kmph /  NNE

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

12 PM

MistMist

17 °C

97 %

0.5

5.8 kmph /  N

Feels Like IconFeels 18 °C

Temperature IconCover 100 %

Visibility IconVisibility 2 km

1 PM

Rain ShowerRain Shower

18 °C

96 %

0.8

5.8 kmph /  NNE

Feels Like IconFeels 19 °C

Temperature IconCover 100 %

Visibility IconVisibility 10 km

2 PM

MistMist

18 °C

96 %

0.9

5.8 kmph /  NNE

Feels Like IconFeels 19 °C

Temperature IconCover 100 %

Visibility IconVisibility 2 km

3 PM

CloudyCloudy

18 °C

92 %

0.3

7.2 kmph /  NNE

Feels Like IconFeels 19 °C

Temperature IconCover 78 %

Visibility IconVisibility 10 km

4 PM

Partly CloudyPartly Cloudy

19 °C

89 %

0.4

7.2 kmph /  NE

Feels Like IconFeels 20 °C

Temperature IconCover 33 %

Visibility IconVisibility 10 km

5 PM

SunnySunny

19 °C

89 %

0.1

6.1 kmph /  NE

Feels Like IconFeels 20 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

6 PM

MistMist

18 °C

94 %

0

6.1 kmph /  NNE

Feels Like IconFeels 19 °C

Temperature IconCover 0 %

Visibility IconVisibility 2 km

7 PM

MistMist

18 °C

96 %

0

5.8 kmph /  NNE

Feels Like IconFeels 19 °C

Temperature IconCover 4 %

Visibility IconVisibility 2 km

8 PM

MistMist

17 °C

96 %

0

5.4 kmph /  NNE

Feels Like IconFeels 19 °C

Temperature IconCover 3 %

Visibility IconVisibility 2 km

9 PM

MistMist

17 °C

96 %

0

5.8 kmph /  NNE

Feels Like IconFeels 18 °C

Temperature IconCover 2 %

Visibility IconVisibility 2 km

10 PM

MistMist

17 °C

96 %

0

6.1 kmph /  NNE

Feels Like IconFeels 18 °C

Temperature IconCover 0 %

Visibility IconVisibility 2 km

11 PM

MistMist

17 °C

96 %

0

6.8 kmph /  NNE

Feels Like IconFeels 18 °C

Temperature IconCover 2 %

Visibility IconVisibility 2 km

Temp18 °C


ConditionRain Shower


Humidity98 %

Feels20 °C


Cover100 %


Visibility10 km

Wind Speed & Dir.3.2 kmph /  E


UV0

Hiroshima 30-Days (September 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny31°22°
2
Overcast31°22°
3
Rain Shower25°20°
4
Rain Shower22°20°
5
Overcast27°19°
6
Overcast25°19°
7
Overcast29°21°
8
Mist29°20°
9
Mist24°17°
10
Overcast22°16°
11
Patchy rain nearby27°20°
12
Patchy rain nearby29°21°
13
Patchy rain nearby28°22°
14
Patchy rain nearby28°20°
15
Rain Shower25°19°
16
Mist22°19°
17
Overcast27°17°
18
Overcast21°19°
19
Mist23°20°
20
Sunny27°19°
21
Overcast24°18°
22
Sunny26°17°
23
Sunny25°15°
24
Overcast28°18°
25
Overcast25°17°
26
Rain Shower20°18°
27
Rain Shower21°18°
28
Rain Shower22°18°
29Today
Rain Shower19°17°
30
Sunny25°15°

SeptemberWeather Overview

No. of days:

Sunny

Sunny

5

Cloudy

Cloudy

0

Rainy

Rainy

4

Snowy

Snowy

0


The monthly weather averages in Hiroshima consist of 5 sunny days, 0 cloudy days, 4 rainy days, and 0 snowy days.

Hiroshima's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
18 °C
light rain showerRain Shower
97%
0

4.7 kmph /  S

18 °C
light rain showerRain Shower
98%
0

3.6 kmph /  NNW

18 °C
light rain showerRain Shower
98%
0

3.6 kmph /  NNW

18 °C
light rain showerRain Shower
98%
0

3.6 kmph /  NNW

18 °C
light rain showerRain Shower
98%
0

3.6 kmph /  NNW

18 °C
light rain showerRain Shower
98%
0

3.6 kmph /  NNW

18 °C
light rain showerRain Shower
98%
0

3.6 kmph /  NNW

18 °C
light rain showerRain Shower
98%
0

3.6 kmph /  NNW

18 °C
light rain showerRain Shower
98%
0

3.6 kmph /  NNW

18 °C
light rain showerRain Shower
98%
0

3.6 kmph /  NNW

Japan's Hottest Cities - September 2026

Hottest
Coldest

Last Updated: 28 Sept 2026, 03:27 PM

City Weather Rankings

FAQs About Hiroshima Weather Conditions


1. What is the current temperature in Hiroshima today - 29 September 2026?

The current temperature in Hiroshima is 18°C, with a feels-like temperature of 20°C. Today's forecast shows a high of 19°C and a low of 17°C, giving a 2 degree swing through the day as of 12:00 AM 29 September 2026.

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

Here is a complete overview of Hiroshima's current weather conditions as of 12:00 AM 29 September 2026: Condition : Rain Shower Temperature : 18°C Cool (Feels like 20°C) Humidity : 98% Wind Speed : 3.6 km/h from NNW (328 degrees), Gust 3 m/s UV Index : 0 (Low Air Pressure : 1013 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 0.2 mm (90% chance of rain)

3. What is the 10-day weather forecast for Hiroshima from 12:00 AM 29 September 2026?

From 12:00 AM 29 September 2026, Hiroshima's 10-day forecast shows this trend: Today (Sep. 29) : Temp. 18°C, Hum. 96% and Rain Shower condition. Wednesday (Sep. 30) : Temp. 20°C, Hum. 83% and Sunny condition. Thursday (Oct. 1) : Temp. 20°C, Hum. 79% and Sunny condition. Friday (Oct. 2) : Temp. 15°C, Hum. 69% and Sunny condition. Saturday (Oct. 3) : Temp. 17°C, Hum. 72% and Sunny condition. Sunday (Oct. 4) : Temp. 18°C, Hum. 74% and Sunny condition. Monday (Oct. 5) : Temp. 16°C, Hum. 73% and Sunny condition. Tuesday (Oct. 6) : Temp. 15°C, Hum. 67% and Sunny condition. Wednesday (Oct. 7) : Temp. 18°C, Hum. 82% and Rain Showers condition. Thursday (Oct. 8) : Temp. 18°C, Hum. 84% and Rain Showers condition.

4. Will it rain in Hiroshima today?

As of 12:00 AM 29 September 2026, yes — Hiroshima is currently experiencing rainfall with 0.2 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.

5. What is the monthly weather forecast for Hiroshima in September 2026?

September 2026 in Hiroshima is forecast to have 5 sunny days, 4 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 15°C to highs of 31°C.

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

Weather directly impacts air quality in Hiroshima. 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.