Live Weather & Forecast
Weather in Niihama
Ehime, Japan · Real-time conditions & 3-day outlook
19°C
Feels like 19°C
67°F / Feels 67°F
Clear
Niihama, Ehime
🌙 Nighttime
Updated: 2026-04-16 20:00
Humidity
49%
Wind
8.6 km/h SE
Wind Gust
18.1 km/h
Pressure
1015 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
5.2°C
Wind Degree
123°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
201.9 μg/m³
NO₂
7 μg/m³
O₃
126 μg/m³
SO₂
6 μg/m³
PM 2.5
12.7 μg/m³
PM 10
26.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Niihama, Ehime
12 AM
15°
Light drizzle
1 AM
15°
Patchy rain nearby
2 AM
15°
Patchy rain nearby
3 AM
15°
Patchy rain nearby
4 AM
14°
Patchy rain nearby
5 AM
14°
Patchy rain nearby
6 AM
14°
Patchy rain nearby
7 AM
14°
Patchy rain nearby
8 AM
14°
Patchy rain nearby
9 AM
14°
Sunny
10 AM
15°
Sunny
11 AM
15°
Sunny
12 PM
15°
Sunny
1 PM
16°
Sunny
2 PM
17°
Sunny
3 PM
17°
Sunny
4 PM
17°
Sunny
5 PM
16°
Sunny
6 PM
15°
Sunny
7 PM
14°
Clear
8 PM
19°
Clear
9 PM
13°
Clear
10 PM
12°
Clear
11 PM
12°
Clear
3-Day Forecast
Daily overview for Niihama, Ehime
Today
Patchy rain nearby
17°
/
12°
🌧️ 88% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 13 km/h
🌧️ Total precip: 0.53 mm
☀️ UV Index: 2.3
🌅 Sunrise: 05:36 AM
🌇 Sunset: 06:38 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
16°
/
12°
🌧️ 83% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0.39 mm
☀️ UV Index: 1.4
🌅 Sunrise: 05:34 AM
🌇 Sunset: 06:39 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Patchy rain nearby
17°
/
14°
🌧️ 88% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 11.9 km/h
🌧️ Total precip: 0.19 mm
☀️ UV Index: 1.7
🌅 Sunrise: 05:33 AM
🌇 Sunset: 06:40 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Niihama
Plan your trip to Niihama, Japan around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Niihama?
Current conditions in Niihama: Clear, temperature 19°C, humidity 49%.
What is the best time to visit Niihama?
The best time to visit Niihama is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Niihama?
Niihama is located at approximately 34° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Niihama?
The wettest period in Niihama is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Niihama?
For visits to Niihama during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Niihama in 2026?
View the 2026 public holidays for Niihama on our Holidays page.
What are the GPS coordinates used for the weather forecast in Niihama?
The weather forecast for Niihama uses coordinates 33.9603, 133.2836.