5-day weather forecast Sofia 18-05-2026

Weather forecast Sofia today 18.05.2026: patchy rain possible, temperature from 8 °C to 17 °C.

Precipitation probability 100%. Wind up to 3.81 m/s (gusts 4.36 m/s). Air humidity 54–93%, atmospheric pressure 760–763 mm Hg, UV index up to 5.8.

Sunrise 06:02
Sunset 20:45

Waxing Crescent2% illuminated
Moonrise 06:46 · Moonset 23:22

Chart

Table

Mon, May 18, 2026

Tue, May 19 →

Forecast from 8 °C to 17 °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)	8	8	8	8	8	8	10	9	10	11	12	13	15	16	17	17	17	17	16	15	13	10	9	8
Precipitation (mm/hr)	0.14	0.03	0	0	0	0	0	0	0	0	0	0	0	0	0.01	0	0.01	0.01	0.01	0.01	0	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 (%)	100	100	100	96	100	100	100	75	58	75	87	61	26	33	77	29	80	86	81	73	22	23	23	20
Rain chance (%)	100	83	0	0	0	0	0	0	0	0	0	0	0	0	77	0	74	79	69	78	0	0	0	0

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)	2.61	2.61	2.61	2.5	2	2.11	2	1.69	2.19	2.89	3	3.11	3.39	3.69	3.81	3.81	3.69	3.69	3.61	3.11	2	1.31	0.81	0.61
Wind gust (m/s)	3.28	3.28	3.25	3.17	2.58	2.69	2.61	2.14	2.53	3.33	3.44	3.58	3.92	4.25	4.36	4.36	4.25	4.25	4.14	3.58	3.25	2.72	1.67	1.25
Wind direction (°)	W 279°	W 276°	W 274°	W 271°	W 273°	W 271°	W 269°	W 271°	WNW 289°	WNW 298°	WNW 302°	WNW 303°	NW 305°	NW 307°	NW 307°	NW 309°	NW 313°	NW 312°	NW 310°	NW 309°	NW 311°	NW 307°	WNW 297°	WNW 294°

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 (%)	93	93	93	92	92	92	82	90	85	79	73	67	62	57	55	54	56	58	61	67	74	80	82	83

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)	761	761	761	761	761	761	760	761	761	761	761	761	761	761	761	761	761	761	761	761	761	762	762	763

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	0.1	0.3	0.9	2.4	4.1	5.1	5.8	5.8	5.1	4.4	2.8	1.4	0.6	0.2	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)	8.4	8.7	8.7	8	7.8	8.2	8.1	8	8	8.2	8.8	9.4	9	7.7	6.9	7.2	7.5	7.8	7.7	7.8	7.9	8.2	9.8	10.1
PM10 (µg/m³)	9	9.3	9.7	8.6	8.4	8.9	9.5	9.6	9.9	10.2	10.7	11.1	10.2	9.9	9.2	8.7	8.7	9	9.1	8.8	9.4	9.8	10.8	11.8
Ozone (O₃) (µg/m³)	77	74	74	74	74	74	73	72	71	72	73	73	75	77	82	86	91	95	92	89	90	90	89	82
NO₂ (µg/m³)	3.2	3.3	3.2	3	2.7	2.6	2.5	2.6	2.7	3.1	4.2	4.1	4.5	3.8	3.1	2.6	2.4	2.4	2.4	2.3	2.7	3.4	4.5	6.8
SO₂ (µg/m³)	2.8	2.6	2.3	2	2	1.9	1.9	2.2	2.4	2.5	3	3.3	3.8	3.9	4	3.6	3.3	3.2	3.1	3.2	3.2	3	3.4	3.5
CO (µg/m³)	144.9	142.9	138.9	135.9	132.9	130.9	129.9	129.9	131.9	132.9	134.9	134.9	134.9	130.9	127.9	124.9	121.9	122.9	121.9	121.9	122.9	129.9	133.9	138.9

Mon, May 18, 2026

Tue, May 19 →

Frequently asked questions about the weather in Sofia

Today in Sofia the temperature ranges from 8 °C to 17 °C, wind up to 3.81 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Sofia today is 100%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Sofia today reaches up to 3.81 m/s with gusts up to 4.36 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Sofia today ranges from 54% to 93%. View the humidity chart above for hourly details.

The UV index in Sofia today reaches up to 5.8. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Sofia today ranges from 760 to 763 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Sofia today reaches up to 100%. Check the cloud cover chart above for hourly details throughout the day.

Sofia 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 →