5-day weather forecast Ushuaia 18-05-2026

Weather forecast Ushuaia Monday, May 18 18.05.2026: blizzard, temperature from -1 °C to 3 °C.

Precipitation probability 100%. Wind up to 15 m/s (gusts 17.25 m/s). Air humidity 80–98%, atmospheric pressure 747–764 mm Hg, UV index up to 0.1.

Sunrise 09:24
Sunset 17:35

Waxing Crescent2% illuminated
Moonrise 12:36 · Moonset 18:16

Chart

Table

← Sun, May 17

Mon, May 18, 2026

Tue, May 19 →

Forecast from -1 °C to 3 °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)	0	1	1	1	1	1	0	1	2	3	2	2	2	2	1	1	1	1	0	0	0	0	0	-1
Precipitation (mm/hr)	0.25	0.22	0.89	2.15	0.04	0	0.01	0.09	0.46	0.4	0.36	0.64	0.33	0.57	0.47	0.45	0.47	0.55	0.67	0.39	0.22	0.12	0.05	0.01

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 (%)	76	72	74	90	100	58	89	75	77	98	100	100	100	100	100	100	100	100	100	100	93	80	72	78
Rain chance (%)	100	100	100	100	82	0	63	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	79	79

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)	3.11	2.89	2.89	2.39	3.19	3.89	4.69	6.61	6.11	5.61	7.19	10.11	12	13.19	14.19	15	14.11	11.61	9.31	8.11	7.39	6.89	6.11	5.19
Wind gust (m/s)	6.5	6.08	6.08	5.03	6.72	8.19	9.86	13.75	8.14	6.44	8.28	11.61	13.81	15.17	16.33	17.25	16.22	13.33	10.69	9.33	8.5	8.03	7.31	8.67
Wind direction (°)	NW 308°	NW 304°	WNW 298°	W 262°	W 270°	W 267°	WSW 251°	WSW 238°	SW 234°	WSW 243°	WSW 241°	WSW 238°	SW 236°	SW 230°	SW 228°	SW 226°	SW 221°	SW 221°	SW 219°	SW 215°	SSW 212°	SSW 207°	SSW 203°	SSW 204°

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 (%)	97	97	97	98	98	96	94	80	86	90	92	88	91	93	93	92	88	91	93	92	90	90	86	86

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)	749	748	747	747	747	747	747	747	748	748	748	749	749	751	752	754	756	758	760	761	762	763	763	764

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	0	0.1	0.1	0.1	0.1	0.1	0.1	0	0	0	0	0	0	0

← Sun, May 17

Mon, May 18, 2026

Tue, May 19 →

Ushuaia 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 →