Weather forecast Riga Sep 20, 2026

17°13–19° · Light rain shower

Weather forecast Riga today Sep 20, 2026: patchy rain possible, temperature from 13 °C to 19 °C.

Precipitation probability 67%. Wind up to 7.81 m/s (gusts 15.42 m/s). Air humidity 56–92%, atmospheric pressure 755–759 mm Hg, UV index up to 2.

Weather Alerts

ModerateSep 19, 01:00 PM — Sep 21, 10:00 PMTranslate with Google

Dzeltenais vēja brīdinājums

19.-20.09.2026. naktī dienvidrietumu, rietumu vējš saglabāsies brāzmās 17-22 m/s. Viļņu augstums 2.0-3.5 m.

ModerateSep 19, 05:00 PM — Sep 20, 09:00 PMTranslate with Google

Dzeltenais vēja brīdinājums

19.09.2026. vakarā un naktī uz 20.09. dienvidrietumu, dienvidu vējš saglabāsies brāzmās 15-20 m/s. Viļņu augstums 1.5-2.5 m.

ModerateSep 18, 07:00 AM — Sep 20, 11:00 PMTranslate with Google

Dzeltenais vēja brīdinājums

19.09.2026. vakarā un naktī uz 20.09. dienvidrietumu, dienvidu vējš saglabāsies brāzmās 15-19 m/s. Viļņu augstums 1.5-2.5 m.

ModerateSep 18, 07:00 AM — Sep 20, 11:00 PMTranslate with Google

Dzeltenais vēja brīdinājums

18.09.2026. dienas vidū dienvidrietumu, dienvidu vējš saglabāsies brāzmās 15-19 m/s. Viļņu augstums 1.0-2.0 m.

ModerateSep 18, 05:00 AM — Sep 21, 09:00 AMTranslate with Google

Dzeltenais vēja brīdinājums

18.09.2026. vakarā dienvidrietumu, rietumu vējš saglabāsies brāzmās 15-19 m/s. Viļņu augstums 1.5-2.5 m.

5 days at a glance — tap a day to open it

Sunrise 07:04
Sunset 19:29

Waxing Gibbous73% illuminated
Moonrise 18:04 · Moonset does not set today

Chart

Table

Sun, Sep 20, 2026

Mon, Sep 21 →

Forecast from 13 °C to 19 °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)	16	15	15	15	15	15	15	15	15	15	16	17	17	17	18	19	19	18	17	16	15	14	13	13
Precipitation (mm/hr)	0	0	0	0	0.48	0.11	0.01	0.39	0.22	0.11	0.82	0.12	0.18	0.22	0.01	0.17	0.02	0.1	0.01	0.04	0.03	0.06	0.02	0.02

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 (%)	68	100	100	100	100	100	100	100	100	100	100	100	100	89	100	100	100	75	89	92	66	81	78	79
Rain chance (%)	13	20	21	21	53	35	27	54	48	42	67	36	36	32	16	24	15	17	15	21	17	25	22	25

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)	6.5	7	7.11	7.5	7.81	7.61	7.5	7.61	7.61	7.19	7.19	6.61	6.5	5.89	5.89	5.5	5.11	5.31	4.89	5.11	5.39	4.5	4.69	5.81
Wind gust (m/s)	13.31	14.61	15.11	15.42	15.42	15.42	14.22	14.89	14.5	14.22	13.5	12.61	11.03	10.92	10.22	9.61	9.42	9.14	8.72	9.61	10.5	9.94	10.61	11.69
Wind direction (°)	SSW 202°	SSW 201°	SSW 203°	SSW 202°	SSW 205°	SSW 207°	SSW 209°	SSW 208°	SSW 213°	SW 215°	SW 226°	SW 224°	WSW 239°	WSW 242°	WSW 248°	WSW 249°	WSW 237°	SW 235°	SW 234°	SW 228°	SW 235°	SW 219°	SSW 208°	SW 215°

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 (%)	71	73	75	75	79	83	84	88	92	92	87	83	79	74	63	56	56	59	65	71	75	80	83	87

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)	759	758	758	758	757	757	756	756	756	756	756	756	756	756	756	756	755	755	755	755	755	755	755	755

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	0	0	0.1	0.1	0.3	1.3	2	1.8	1.8	1	0.6	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)	8.2	8.6	8.1	7.6	7.1	6.9	7	6.8	6.5	5.8	5.3	5.1	4.5	4.1	4.2	3.6	3.4	3.8	4.4	5.5	5.5	5.5	4.9	5.1
PM10 (µg/m³)	13.1	13	12.6	11.1	10.7	11.2	9.8	11.7	10.6	7.5	6.9	6.8	5.8	5.8	5.7	5.1	5.9	7.9	10	11.2	11.3	10.8	9.4	7.7
Ozone (O₃) (µg/m³)	70	71	69	67	64	64	63	62	59	58	59	59	60	60	61	60	65	66	65	64	63	62	63	64
NO₂ (µg/m³)	2.4	2.3	2.4	2.5	2.3	2.1	2.1	2.3	2.7	2.8	2.8	2.7	2.9	2.9	3.3	2.8	2.6	2.3	2.8	3.8	3.6	3.5	3.3	3.1
SO₂ (µg/m³)	1.4	2	3.4	3.1	2.1	1.8	1.3	1.3	1.5	1.5	1	0.9	0.7	0.7	0.7	0.5	0.5	0.4	0.5	0.5	0.6	0.8	0.6	0.5
CO (µg/m³)	203	203	200	196	195	187	182	184	187	184	182	179	177	175	176	177	172	177	182	183	181	181	176	175

Sun, Sep 20, 2026

Mon, Sep 21 →

Frequently asked questions about the weather in Riga

What is the weather in Riga today and what should I wear?

Today in Riga the temperature ranges from 13 to 19 °C, with wind up to 7.81 m/s. Use these values to decide what to wear, and see the hour-by-hour details in the charts above.

Will it rain in Riga today?

The chance of rain in Riga today is 67%. See the hourly precipitation chart above for the exact hours rain is likely.

Is it very windy in Riga today?

Today in Riga the wind rises to 7.81 m/s, with gusts up to 15.42 m/s. Keep that in mind for cycling and outdoor plans; see the hourly trend on the wind chart above.

What are the day and night temperatures in Riga this week?

This week the temperature in Riga ranges from 9 to 19 °C. See the day and night values for each day on the temperature chart above.

Is the weather in Riga good for a walk, cycling or gardening?

For a walk, cycling or gardening, pick the hours with a low chance of rain (up to 67% today) and light wind (up to 7.81 m/s) — compare them on the charts above.

Where does the data come from and how often is the Riga forecast updated?

The Riga forecast is built from meteorological models and updated several times a day. Check back before important plans to see the latest picture.

How far ahead can I trust the Riga forecast?

The first 2–3 days are reliable enough to plan around. Days 4 and 5 are a guide that sharpens as the date approaches. The forecast is rebuilt several times a day, so check again before anything that depends on it.

Riga 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 →

Weather forecast Riga Sep 20, 2026

Weather Alerts

Forecast from 13 °C to 19 °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 Riga

What is the weather in Riga today and what should I wear?

Will it rain in Riga today?

Is it very windy in Riga today?

What are the day and night temperatures in Riga this week?

Is the weather in Riga good for a walk, cycling or gardening?

Where does the data come from and how often is the Riga forecast updated?

How far ahead can I trust the Riga forecast?

Riga on the map

Data Sources & Methodology

Weather forecast for other Latvian cities