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Weather in Niihama, Japan 🇯🇵

Current Weather in Niihama

Patchy rain nearby
24°C
Feels like 23°C. Patchy rain nearby.
🌬️ 21 km/h ENE
💧 77% Humidity
🧭 1010 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 20°C
🌅 Sunrise: 05:43 AM
🌇 Sunset: 06:27 PM
Map Overlays:

As of now, Niihama is 24°C and patchy rain nearby, feeling like 23°C. Humidity sits at 77% and winds are near 21 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Niihama range from about 23°C to 27°C.

Hourly Forecast for Niihama

05:00
Patchy rain nearby
24°
23%
06:00
Patchy rain nearby
24°
22%
07:00
Patchy rain nearby
24°
23%
08:00
Patchy rain nearby
24°
29%
09:00
Patchy rain nearby
24°
33%
10:00
Patchy rain nearby
25°
26%
11:00
Patchy rain nearby
25°
23%
12:00
Patchy rain nearby
26°
19%
13:00
Patchy rain nearby
26°
21%
14:00
Patchy rain nearby
26°
21%
15:00
Patchy rain nearby
26°
22%
16:00
Patchy rain nearby
27°
14%
17:00
Patchy rain nearby
26°
23%
18:00
Patchy rain nearby
26°
21%
19:00
Patchy rain nearby
26°
22%
20:00
Patchy rain nearby
25°
22%
21:00
Overcast
25°
21%
22:00
Overcast
25°
22%
23:00
Overcast
24°
23%
00:00
Patchy rain nearby
24°
24%
01:00
Patchy rain nearby
24°
26%
02:00
Patchy rain nearby
24°
26%
03:00
Light rain shower
24°
38%
04:00
Light rain shower
24°
51%

14-Day Forecast for Niihama

Sat, Sep 05
Patchy rain nearby Patchy rain nearby
27° / 24°
Sun, Sep 06
Patchy rain nearby Patchy rain nearby
26° / 23°
Mon, Sep 07
Patchy rain nearby Patchy rain nearby
26° / 24°
Tue, Sep 08
Sunny Sunny
28° / 24°
Wed, Sep 09
Patchy rain nearby Patchy rain nearby
25° / 22°
Thu, Sep 10
Light rain shower Light rain shower
24° / 22°
Fri, Sep 11
Patchy rain nearby Patchy rain nearby
27° / 24°
Sat, Sep 12
Patchy rain nearby Patchy rain nearby
28° / 26°
Sun, Sep 13
Patchy rain nearby Patchy rain nearby
28° / 26°
Mon, Sep 14
Sunny Sunny
27° / 26°
Tue, Sep 15
Sunny Sunny
27° / 26°
Wed, Sep 16
Patchy rain nearby Patchy rain nearby
28° / 26°
Thu, Sep 17
Overcast Overcast
26° / 24°
Fri, Sep 18
Light rain shower Light rain shower
27° / 24°

Additional Forecasts for Niihama

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 132.0 μg/m³
O₃ (Ozone) 40.0 μg/m³
NO₂ (Nitrogen Dioxide) 17.6 μg/m³
SO₂ (Sulphur Dioxide) 5.7 μg/m³
PM2.5 (Fine particles) 2.5 μg/m³
PM10 (Coarse particles) 3.5 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Japan

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Best Time to Be Outside in Niihama Today

The most comfortable window in Niihama today looks like 06:00 to 09:00, when it is around 24°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Niihama

What is the temperature in Niihama right now?

It is currently 24°C (75°F) in Niihama, patchy rain nearby (feels like 23°C).

What's the weather like in Niihama right now?

Conditions in Niihama right now: Patchy rain nearby, humidity 77%, wind 21 km/h ENE.

What is today's forecast for Niihama?

Today in Niihama: high 27°C, low 24°C, patchy rain nearby. Chance of rain: 54%.

What is the 7-day weather forecast for Niihama?

Daily highs and lows for Niihama:

  • 2026-09-05: 27°C / 24°C
  • 2026-09-06: 26°C / 23°C
  • 2026-09-07: 26°C / 24°C
  • 2026-09-08: 28°C / 24°C
  • 2026-09-09: 25°C / 22°C
  • 2026-09-10: 24°C / 22°C
  • 2026-09-11: 27°C / 24°C
Is it going to rain in Niihama today?

There is a 54% chance of rain in Niihama today. Total expected precipitation: 0.65 mm.

What is the wind speed in Niihama right now?

Wind in Niihama is currently 21 km/h (13 mph) from the ENE.

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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