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)	13	13	12	11	11	10	10	11	11	12	13	14	14	15	15	15	15	15	14	14	13	13	13	13
Precipitation (mm/hr)	0.1	0	0	0	0	0	0	0.01	0.09	0.02	0.05	0.23	0.95	0.75	0.3	0.82	0.56	0.75	0.24	0.31	0.57	0.53	0	0.1

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 (%)	100	100	0	3	2	11	19	96	55	71	87	71	83	73	87	88	95	57	86	81	96	83	5	88
Rain chance (%)	36	27	12	14	14	16	16	30	27	23	26	31	60	51	38	56	51	48	36	41	59	55	12	35

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	5.89	5.31	5	5	4.5	4.61	4.19	4.31	4.39	4.89	4.69	5.11	4.89	4.19	4.11	4.39	4.81	5.69	6.61	7.39	7	6.19	5.61
Wind gust (m/s)	11.42	11.69	10.39	9.92	9.81	9.31	10.33	8.14	8.42	8.11	7.31	6.72	7.11	6.83	6.42	6.5	6.81	7.64	8.83	9.92	10.33	9.61	9	8
Wind direction (°)	SW 232°	SW 225°	SW 219°	SSW 212°	SW 222°	SW 222°	SW 232°	SW 229°	SW 224°	SW 233°	WSW 242°	WSW 258°	W 266°	W 273°	W 273°	W 274°	W 281°	WNW 300°	NW 308°	NW 306°	NW 307°	WNW 300°	WNW 301°	WNW 302°

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 (%)	83	86	88	91	92	94	93	91	88	86	80	78	78	76	76	74	75	77	79	83	85	85	87	88

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)	753	754	753	753	753	753	753	753	753	753	754	754	754	755	755	755	755	755	756	756	757	758	758	758

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	0.3	0.8	1.3	1.8	2	2	1.6	1	0.6	0.3	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)	3.4	3.6	3.7	3.5	3.3	3.1	3	2.8	2.6	2.4	2	1.6	1.4	1.2	1.1	1.3	1.4	1.3	1.7	1.8	1.8	1.6	1.6	1.6
PM10 (µg/m³)	5.5	5.5	6.1	6.1	5.5	5.1	5.2	5.2	5	4.5	3.7	2.7	2	1.7	1.6	1.8	1.7	1.8	2.1	2.3	2.2	2.3	2.5	2.6
Ozone (O₃) (µg/m³)	68	65	63	60	58	57	54	53	51	52	52	54	55	58	58	58	58	57	56	56	56	54	52	52
NO₂ (µg/m³)	1.5	1.5	1.5	1.4	1.4	1.5	1.7	2	2.3	1.9	1.3	1	0.9	0.8	0.8	0.8	0.8	0.8	0.9	1.6	1.6	1.5	1.4	1.4
SO₂ (µg/m³)	0.3	0.4	0.4	0.3	0.4	0.4	0.5	0.4	0.3	0.2	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1
CO (µg/m³)	173	176	182	181	182	183	184	183	183	181	179	180	178	178	179	181	182	182	182	183	182	182	183	184

← Sun, Sep 20

Mon, Sep 21, 2026

Tue, Sep 22 →

Klapkalnciems 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 →