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Weather in Niihama, Japan 🇯🇵

Weather Forecast in Niihama

Current Weather in Niihama

Patchy rain nearby
27°C
Feels like 32°C. Patchy rain nearby.
🌬️ 4 km/h W
💧 94% Humidity
🧭 1009 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 23°C
🌅 Sunrise: 05:10 AM
🌇 Sunset: 07:15 PM
Map Overlays:

In Niihama right now it is 27°C and patchy rain nearby, feeling like 32°C. Humidity is 94% with winds around 4 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Niihama range from about 24°C to 30°C.

Hourly Forecast for Niihama

01:00
Patchy rain nearby
27°
19%
02:00
Patchy rain nearby
25°
20%
03:00
Patchy rain nearby
25°
20%
04:00
Patchy rain nearby
25°
20%
05:00
Patchy rain nearby
25°
20%
06:00
Patchy rain nearby
26°
26%
07:00
Patchy rain nearby
27°
23%
08:00
Patchy rain nearby
27°
24%
09:00
Patchy rain nearby
28°
23%
10:00
Patchy rain nearby
28°
35%
11:00
Patchy rain nearby
28°
37%
12:00
Patchy rain nearby
28°
36%
13:00
Patchy rain nearby
28°
42%
14:00
Patchy rain nearby
29°
63%
15:00
Light rain shower
29°
34%
16:00
Light rain shower
30°
56%
17:00
Patchy rain nearby
30°
54%
18:00
Patchy rain nearby
29°
31%
19:00
Patchy rain nearby
27°
22%
20:00
Clear
26°
12%
21:00
Clear
26°
13%
22:00
Clear
25°
13%
23:00
Clear
25°
12%
00:00
Clear
25°
12%

14-Day Forecast for Niihama

Tue, Jul 21
Patchy rain nearby Patchy rain nearby
30° / 25°
Wed, Jul 22
Sunny Sunny
29° / 24°
Thu, Jul 23
Sunny Sunny
29° / 24°
Fri, Jul 24
Sunny Sunny
30° / 24°
Sat, Jul 25
Sunny Sunny
29° / 24°
Sun, Jul 26
Sunny Sunny
29° / 24°
Mon, Jul 27
Sunny Sunny
28° / 24°
Tue, Jul 28
Sunny Sunny
28° / 24°
Wed, Jul 29
Sunny Sunny
30° / 24°
Thu, Jul 30
Patchy rain nearby Patchy rain nearby
28° / 24°
Fri, Jul 31
Patchy rain nearby Patchy rain nearby
29° / 24°
Sat, Aug 01
Patchy rain nearby Patchy rain nearby
28° / 24°
Sun, Aug 02
Patchy rain nearby Patchy rain nearby
29° / 24°
Mon, Aug 03
Sunny Sunny
29° / 24°

Additional Forecasts for Niihama

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 171.0 μg/m³
O₃ (Ozone) 35.0 μg/m³
NO₂ (Nitrogen Dioxide) 18.0 μg/m³
SO₂ (Sulphur Dioxide) 7.8 μg/m³
PM2.5 (Fine particles) 13.1 μg/m³
PM10 (Coarse particles) 13.6 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Japan

Browse Weather in Japan by cities in alphabetical order:

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Best Time to Be Outside in Niihama Today

The most comfortable window in Niihama today looks like 06:00 to 08:00, when it is around 26°C. It should stay dry through that window. The next likely rain is around 14:00.

Frequently Asked Questions about Weather in Niihama

What is the temperature in Niihama right now?

The current temperature in Niihama is 27°C (81°F), patchy rain nearby (feels like 32°C).

What's the weather like in Niihama right now?

Conditions in Niihama right now: Patchy rain nearby, humidity 94%, wind 4 km/h W.

What is today's forecast for Niihama?

Today in Niihama: high 30°C, low 25°C, patchy rain nearby. Chance of rain: 77%.

What is the 7-day weather forecast for Niihama?

Daily highs and lows for Niihama:

  • 2026-07-21: 30°C / 25°C
  • 2026-07-22: 29°C / 24°C
  • 2026-07-23: 29°C / 24°C
  • 2026-07-24: 30°C / 24°C
  • 2026-07-25: 29°C / 24°C
  • 2026-07-26: 29°C / 24°C
  • 2026-07-27: 28°C / 24°C
Is it going to rain in Niihama today?

There is a 77% chance of rain in Niihama today. Total expected precipitation: 4.55 mm.

What is the wind speed in Niihama right now?

Wind in Niihama is currently 4 km/h (2 mph) from the W.

What is the UV index in Niihama right now?

The UV index in Niihama is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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