Last updated: September 28, 2026

App Store Ranking: The Top Free Weather Apps in Japan

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Rank			Rating
1	2	Windy.com by Windyty, SE	4.8
2	3	頭痛ーる by POCKE,INC.	4.4
3	1	tenki.jp 天気予報・雨雲レーダー/地震速報・台風情報 by 一般財団法人日本気象協会	4.5
4	2	NERV Disaster Prevention by Gehirn Inc.	4.7
5	6	Weather & Rain Radar Forecast by Deep Orbit B.V.	0.0
6	4	Windy.app — Wind, Tides, Radar by Windy Weather World Inc	4.7
7	5	tenki.jp 登山天気日本気象協会公式山の天気予報 by 一般財団法人日本気象協会	2.3
8	5	Sakana Switch: Fishing Planner by ERIKO KONNO	5.0
9	5	天気予報 - 気象庁 - by hidehiko aihara	4.3
10	6	The Thermometer -Digital- by Vida Apps Incorporated	4.7
11	4	海天気.jp - 海の天気予報アプリ by Risesystem, inc.	0.0
12	6	Amemil by Shimadzu Business Systems Corporation	5.0
13	15	ココダヨ　地震速報・災害情報を通知位置情報共有・防災アプリ by GENETEC CORPORATION	0.0
14	8	大阪防災アプリ by 大阪府	0.0
15	16	海快晴海専門の気象情報サービス by 株式会社サーフレジェンド	0.0
16	5	ゴル天 - 全国ゴルフ場天気予報 by Risesystem, inc.	0.0
17	12	My Aurora Forecast & Alerts by JRustonApps B.V.	4.7
18	8	Thermometer++ App by Viachaslau Tysianchuk	4.7
19	13	AccuWeather: Weather Forecast by AccuWeather International, Inc.	4.6
20	4	横浜市避難ナビ by YOKOHAMA CITY	0.0
21	new	NightFrost by Heiko Matthias Maetsch	1.0
22	16	Hygrometer - Humidity by MORETHAN APPS	4.7
23	4	アメフリ by Shinichiro Shiba	4.7
24	1	ハザードマップ - 洪水・浸水・土砂・冠水の災害に備える by hidehiko aihara	0.0
25	12	UV Index Widget - Worldwide by Bjorn Jenssen	4.8
26	4	MoonCompass : Find the Moon by kotobaz	0.0
27	7	Simple Moon Phase Calendar by Fumihiro Takahashi	4.8
28	8	Oshare Weather by MEDIANO Co.,Ltd.	4.5
29	6	てんきとくらす tenki to kurasu by 日本気象株式会社	5.0
30	15	全国避難所ガイド by 1st Media Corporation	3.0
31	11	เช็คน้ำ by GISTDA	0.0
32	11	Zoom Earth - Weather Forecast by Neave Interactive	4.8
33	8	ゆれくるコール by RC Solution Co.	4.8
34	15	Weather Radar: Storm Tracker by Hassan Mohamed Abdelrahman Attia	5.0
35	5	RainViewer: Live Weather Radar by MeteoLab Inc.	4.6
36	8	Weatherly: Radar & Alerts by Fuzhou Zhiyue Interactive Technology Co.,Ltd	0.0
37	9	Moonlitt: Moon Phase Tracker by Flipping Hues Srls	4.7
38	3	釣り天気.jp - 釣り人のための気象アプリ by Risesystem, inc.	0.0
39	15	IQAir AirVisual \| Air Quality by IQAir AG	4.8
40	new	myENV by National Environment Agency	4.2
41	12	Nullschool - explore weather by Nullschool Technologies Inc.	5.0
42	23	Japan Official WeatherForecast by AOBO Co.,Ltd	0.0
43	26	Safety tips by RC Solution Co.	2.1
44	17	Temperature in Room + by Sinus Electric Ltd	3.8
45	3	Weather Live Radar - NOAA by lighten	4.2
46	2	被害予測・防災cmap by Aioi Nissay Dowa Insurance Co.,Ltd.	0.0
47	new	新潟県防災ナビ　ー新潟県公式防災アプリー by Niigata prefecture	0.0
48	4	The Weather Channel - Radar by The Weather Channel Interactive	4.8
49	34	全国ライブカメラ地図 - 河川・道路・防災 by Takuya Fujiwara	0.0
50	29	静岡県防災 by Shizuoka Prefecture	0.0
51	12	Hi Weather by EINMOB LIMITED	3.9
52	5	Ventusky: Weather Forecast by Ventusky s.r.o.	4.8
53	2	滋賀県防災アプリ by SHIGA PREFECTURE	0.0
54	39	防災アプリクロスゼロforファミリー　安否確認・災害情報 by KENSETSU SYSTEM Co.Ltd.	0.0
55	1	Camping Score Weather by Toh Galy	0.0
56	14	MoonX: Moon Calendar & Phases by Vibes LLC	4.8
57	2	ThaiWater รู้น้ำ รู้อากาศ by Hydro Informatics Institute	4.0
58	6	Windfinder: Wind & Weather map by Windfinder	4.8
59	8	Thermometer for Room + by KORPORATSIIA 12 TOV	3.5
60	30	みえ防災ナビ by 三重県	0.0
61	new	MyPOTEKA by 明星電気株式会社	0.0
62	new	Haze@SG by Hosay Studios	5.0
63	13	防災リスマ - 災害リスク・ハザードマップ by Keishi Ishimura	0.0
64	6	河川カメラ - River by hidehiko aihara	5.0
65	32	ひょうご防災ネット by HYOGO PREFECTURAL GOVERNMENT	0.0
66	8	シンプル気圧計 by 5mm	0.0
67	1	Weather mini - Trip Forecasts by Kai Luo	4.0
68	10	CARROT Weather: Alerts & Radar by Grailr LLC	4.7
69	25	UV Forecast - Check UV Index by Hodai Azeyanagi	4.9
70	5	もふもふ天気予報 by JINGOOD, LIMITED LIABILITY COMPANY	0.0
71	new	BOM Weather by Bureau of Meteorology	4.7
72	19	月と太陽のカレンダー by Mishima Design	0.0
73	19	MOON - Current Moon Phase by MOON CALENDAR	4.8
74	11	そら案内 by sorakaze Inc.	4.8
75	11	Strong Motion Monitor Viewer by Thirdocean, Ltd.	3.9
76	new	Fine° by Yoshihiko Eto	4.4
77	18	Rainmonitor by BMA Queue	0.0
78	new	3D Amagumo Weather by MTI Ltd.	2.0
79	16	震度Now! - 地震速報 by hidehiko aihara	5.0
80	8	MeteoSwiss by MeteoSwiss	4.4
81	10	Surfline: Wave & Surf Reports by Surfline/Wavetrak	4.7
82	new	MetService by MetService	3.4
83	new	Tide Charts by 7th Gear	4.8

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