🇯🇵 Weather in Niihama
Map Overlays:
Hourly Forecast for Niihama
17:00
20°
85%
18:00
19°
68%
19:00
18°
82%
20:00
18°
0%
21:00
18°
0%
22:00
18°
0%
23:00
18°
0%
00:00
18°
0%
01:00
18°
0%
02:00
18°
0%
03:00
18°
0%
04:00
18°
0%
05:00
18°
0%
06:00
18°
0%
07:00
19°
0%
08:00
20°
0%
09:00
21°
0%
10:00
22°
71%
11:00
22°
73%
12:00
21°
62%
13:00
20°
76%
14:00
21°
100%
15:00
21°
100%
16:00
20°
100%
14-Day Forecast for Niihama
Sun, May 24
Patchy rain nearby
20° /
18°
Mon, May 25
Patchy rain nearby
22° /
18°
Tue, May 26
Moderate rain
21° /
17°
Wed, May 27
Moderate rain
19° /
17°
Thu, May 28
Patchy rain nearby
21° /
19°
Fri, May 29
Patchy rain nearby
24° /
16°
Sat, May 30
Sunny
23° /
15°
Sun, May 31
Sunny
24° /
15°
Mon, Jun 01
Sunny
23° /
16°
Tue, Jun 02
Sunny
21° /
16°
Wed, Jun 03
Patchy rain nearby
23° /
17°
Thu, Jun 04
Sunny
25° /
17°
Fri, Jun 05
Sunny
22° /
16°
Sat, Jun 06
Sunny
24° /
17°
Additional Forecasts for Niihama
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 135.8 μg/m³
O₃ (Ozone) 46.0 μg/m³
NO₂ (Nitrogen Dioxide) 15.2 μg/m³
SO₂ (Sulphur Dioxide) 6.8 μg/m³
PM2.5 (Fine particles) 3.2 μg/m³
PM10 (Coarse particles) 3.9 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Japan
Frequently Asked Questions about Weather in Niihama
What is the temperature in Niihama right now?
The current temperature in Niihama is 25°C (78°F), partly cloudy (feels like 28°C).
What's the weather like in Niihama right now?
Conditions in Niihama right now: Partly cloudy, humidity 69%, wind 4 km/h ESE.
What is today's forecast for Niihama?
Today in Niihama: high 20°C, low 18°C, patchy rain nearby. Chance of rain: 89%.
What is the 7-day weather forecast for Niihama?
Daily highs and lows for Niihama:
- 2026-05-24: 20°C / 18°C
- 2026-05-25: 22°C / 18°C
- 2026-05-26: 21°C / 17°C
- 2026-05-27: 19°C / 17°C
- 2026-05-28: 21°C / 19°C
- 2026-05-29: 24°C / 16°C
- 2026-05-30: 23°C / 15°C
Is it going to rain in Niihama today?
There is a 89% chance of rain in Niihama today. Total expected precipitation: 2.22 mm.
What is the wind speed in Niihama right now?
Wind in Niihama is currently 4 km/h (2 mph) from the ESE.
What is the UV index in Niihama right now?
The UV index in Niihama is currently 2.2 (low). Sun protection is recommended when the index is 3 or higher.
