Weather forecast Greči 20-05-2026

Weather forecast Greči today 20.05.2026: partly cloudy, temperature from 8 °C to 20 °C.

Precipitation probability 100%. Wind up to 3.39 m/s (gusts 5.28 m/s). Air humidity 67–98%, atmospheric pressure 764–766 mm Hg, UV index up to 5.4.

Sunrise 04:46
Sunset 21:30

Waxing Crescent15% illuminated
Moonrise 07:23 · Moonset 01:35

Chart

Table

Wed, May 20, 2026

Thu, May 21 →

Forecast from 8 °C to 20 °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)	11	10	10	9	9	8	9	11	12	12	13	15	16	17	18	19	19	20	20	19	18	16	15	14
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.18	0.01	0	0	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 (%)	74	59	57	100	100	100	77	65	100	100	100	83	88	81	54	100	87	80	44	25	58	39	26	39
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	100	87	0	0	0	74	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)	2.89	2.19	2.31	2.89	2.31	2.39	1.81	3.31	3.39	3.31	3.19	2.81	2.89	2.69	2.61	2.31	1.61	1.31	1.39	1.61	2.11	2.5	2.39	2.61
Wind gust (m/s)	4.72	4.06	4.14	5.22	4.06	4.25	2.83	4.47	4.25	3.97	3.72	3.22	3.33	3.11	3.03	2.72	2.06	1.72	1.89	2.31	3.72	5.25	5.03	5.28
Wind direction (°)	WNW 290°	NW 310°	NW 315°	WNW 302°	NNW 337°	NW 326°	NNW 334°	NNW 330°	NNW 336°	NNW 344°	NNW 342°	NNW 338°	NNW 342°	NNW 345°	N 356°	NNE 21°	NE 43°	NNE 23°	N 358°	NNW 343°	NNW 338°	NNW 347°	NNE 27°	NE 51°

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 (%)	90	95	96	98	98	98	96	90	86	83	80	76	72	70	68	67	68	68	69	76	81	87	93	96

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)	764	764	764	764	765	765	765	766	766	766	766	766	765	765	765	765	765	765	765	764	764	764	765	765

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	0.1	0.4	1	1.8	2.9	4.1	5	5.4	5.3	4.5	3.5	2.3	1.3	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)	6.4	6.5	6.8	6.9	6.9	6.8	6.7	6.2	5.8	6	6.5	6.2	6	6.1	5.2	5.8	5.4	5.4	5.6	6.1	6.1	6.4	6.4	6.5
PM10 (µg/m³)	6.9	6.9	7.1	7.3	7.3	7.4	7.9	7.7	6.7	6.9	6.9	6.8	6.9	7.3	6.8	6.8	6.5	6.3	6.9	7.6	7.5	7.6	7.2	7.1
Ozone (O₃) (µg/m³)	66	60	54	53	51	49	47	46	45	45	51	57	57	61	64	69	72	75	75	76	73	71	70	65
NO₂ (µg/m³)	2.9	3	3	3	3	2.8	2.8	2.8	2.7	2.7	3	3.3	2.9	2.6	2.2	1.9	1.9	2	2.1	2.1	2.2	2.8	3.3	3.2
SO₂ (µg/m³)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1.1	1.1	1.1	1.1	1.2
CO (µg/m³)	141.9	140.9	139.9	137.9	135.9	134.9	135.9	134.9	133.9	133.9	133.9	132.9	131.9	131.9	131.9	130.9	131.9	131.9	131.9	134.9	135.9	135.9	137.9	142.9

Wed, May 20, 2026

Thu, May 21 →

Frequently asked questions about the weather in Greči

Today in Greči the temperature ranges from 8 °C to 20 °C, wind up to 3.39 m/s. Check the detailed hourly forecast above for more information.

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

The wind speed in Greči today reaches up to 3.39 m/s with gusts up to 5.28 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Greči today ranges from 67% to 98%. View the humidity chart above for hourly details.

The UV index in Greči today reaches up to 5.4. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Greči today ranges from 764 to 766 mm Hg. View the pressure chart above for hourly readings.

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

Greči 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 →