5-day weather forecast Osaka 21-07-2026

Weather forecast Osaka today 21.07.2026: partly cloudy, temperature from 27 °C to 35 °C.

Precipitation probability 16%. Wind up to 4.19 m/s (gusts 4.83 m/s). Air humidity 50–85%, atmospheric pressure 755–758 mm Hg, UV index up to 10.3.

Sunrise 05:00
Sunset 19:08

First Quarter53% illuminated
Moonrise 12:10 · Moonset 23:04

Chart

Table

Tue, Jul 21, 2026

Wed, Jul 22 →

Forecast from 27 °C to 35 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	28	30	28	28	27	27	28	29	30	31	32	33	34	35	35	35	34	34	33	32	31	30	30	30
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.02	0.01	0	0.01	0	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	16	0	20	27	35	47	50	56	58	66	40	13	5	6	8	13	23	80	86	64	81	70	50	42
Rain chance (%)	10	10	11	13	14	16	16	14	12	11	7	4	2	2	2	2	3	10	12	9	13	12	10	10

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	2.19	1.89	1.89	1.69	1.31	1.11	1.11	1.31	1.5	1.61	2	2.5	3.11	3.69	4.19	4.11	3.81	3.69	3.69	3.69	3.5	3.11	2.39	2
Wind gust (m/s)	2.89	2.56	2.56	2.31	1.75	1.5	1.39	1.5	1.72	1.83	2.31	2.89	3.58	4.25	4.83	4.72	4.36	4.25	4.36	4.72	4.53	3.97	3.14	2.61
Wind direction (°)	WSW 238°	SW 233°	SW 226°	SW 228°	SW 224°	SW 217°	SSW 210°	SSW 208°	SW 219°	SW 227°	SW 228°	SW 232°	SW 232°	SW 230°	SW 231°	SW 236°	SW 233°	SW 223°	SW 232°	WSW 240°	WSW 243°	WSW 245°	WSW 246°	WSW 241°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	79	75	82	84	84	85	84	79	74	68	63	58	54	52	50	50	51	52	58	63	67	69	71	73

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	756	757	756	756	756	757	757	758	758	757	757	757	756	756	755	755	755	755	755	756	756	757	757	757

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0.3	1.2	2.9	5	7.6	9.6	10.3	9.6	7.5	4.9	2.7	1	0.2	0	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	30.5	31.4	32.6	33.6	34.3	34.3	31.9	21.1	19.6	20.1	20.7	20.5	21.8	22.5	22.4	21.5	20.3	18.8	17.9	17.8	19.5	22.1	25.4	27.7
PM10 (µg/m³)	34	34.7	35.7	36.7	37	36.8	34.6	25.3	23.8	24.1	24.2	23.1	24	24.5	24.1	23	21.5	19.8	18.7	18.6	20.3	22.9	26.2	28.5
Ozone (O₃) (µg/m³)	43	33	26	21	18	18	24	39	61	83	106	129	148	163	174	178	174	164	151	133	112	93	79	67
NO₂ (µg/m³)	41.7	44.9	47.2	48.1	47.6	45.8	42.5	36.7	29.4	23	18.3	14.6	11.6	9.3	7.7	7.1	7.5	8.9	11.4	15.3	20.3	25.5	31	36.6
SO₂ (µg/m³)	21	22.6	24	26	29.4	33.3	35.2	33.6	30.1	26.3	22.7	18.9	15.7	13.5	11.9	10.8	9.9	9.5	9.8	11	13	15.2	17.8	20.6
CO (µg/m³)	280	285	287	290	297	304	300	277	244	215	193	175	168	179	202	221	223	222	244	319	416	471	443	372

Tue, Jul 21, 2026

Wed, Jul 22 →

Frequently asked questions about the weather in Osaka

Today in Osaka the temperature ranges from 27 °C to 35 °C, wind up to 4.19 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Osaka today is 16%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Osaka today reaches up to 4.19 m/s with gusts up to 4.83 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Osaka today ranges from 50% to 85%. View the humidity chart above for hourly details.

The UV index in Osaka today reaches up to 10.3. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Osaka today ranges from 755 to 758 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Osaka today reaches up to 86%. Check the cloud cover chart above for hourly details throughout the day.

Osaka on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.

Learn more about our methodology →

5-day weather forecast Osaka 21-07-2026

Forecast from 27 °C to 35 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction

Air humidity

Atmospheric pressure

Ultraviolet index

Air quality & pollen

Frequently asked questions about the weather in Osaka

What is the weather in Osaka today?

Will it rain in Osaka this week?

What is the wind speed in Osaka today?

What is the humidity in Osaka today?

What is the UV index in Osaka today?

What is the atmospheric pressure in Osaka today?

What is the cloud cover in Osaka today?

Osaka on the map

Data Sources & Methodology

Weather forecast for major cities worldwide