Weather in Thessaloniki - 14-day forecast

Detailed weather forecast for Thessaloniki, Greece: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Thessaloniki

today☀️ 32°💧 0.2 mm

Thu🌧️ 29°💧 0.6 mm

Fri🌧️ 31°💧 0.3 mm

Sat☀️ 31°💧 0.2 mm

Sun☀️ 34°💧 0.6 mm

Mon🌧️ 32°💧 2.1 mm

Tue🌧️ 30°💧 2.7 mm

Wed🌧️ 30°💧 5 mm

⚠️ Weather warnings - Thessaloniki

🌡️Heatyellow level

from 8 Jul, 13:00 to 8 Jul, 17:00

Areas: CENTRAL MAKEDONIA

High temperatures and risk of overheating. Drink plenty of water, avoid the midday sun and look after the elderly.

⛈️Thunderstormsyellow level

from 8 Jul, 13:00 to 8 Jul, 17:00

Areas: CENTRAL MAKEDONIA

Lightning, wind gusts, hail and torrential rain possible. Avoid open spaces and tall trees.

Source: national weather service via Meteoalarm (EUMETNET). Yellow - be aware, orange - be prepared, red - take action.

14-day forecast - Thessaloniki

📅 Thessaloniki 30 & 45-day weather - long-range outlook

Next 16 days · forecast

31°

around 27° at night · days with rain: 5

Weeks 3-4 · avg for July

33°

around 21° at night · rain chance 13%

Weeks 5-7 · avg for August

33°

around 21° at night · rain chance 14%

The 30 & 45-day outlook for Thessaloniki: the next 16 days are a numerical forecast updated daily - on average 31° by day and 27° at night. Further out we rely on multi-year climate averages: around 33° in July, and about 33° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Thessaloniki

Wednesday8 July 2026

☀️32°clear sky

sunrise 06:05 · sunset 21:01 · night 28° · evening 32° · rain 0.21 mm · humidity 24% · wind 6 m/s · clouds 8%

Thursday9 July 2026

🌧️29°light rain

sunrise 06:05 · sunset 21:01 · night 23° · evening 28° · rain 0.6 mm · humidity 36% · wind 10 m/s · clouds 38%

Friday10 July 2026

🌧️31°light rain

sunrise 06:06 · sunset 21:01 · night 25° · evening 30° · rain 0.31 mm · humidity 17% · wind 7 m/s · clouds 2%

Saturday11 July 2026

☀️31°clear sky

sunrise 06:07 · sunset 21:00 · night 27° · evening 32° · rain 0.21 mm · humidity 32% · wind 5 m/s · clouds 6%

Sunday12 July 2026

☀️34°clear sky

sunrise 06:07 · sunset 21:00 · night 30° · evening 35° · rain 0.63 mm · humidity 26% · wind 5 m/s · clouds 6%

Monday13 July 2026

🌧️32°light rain

sunrise 06:08 · sunset 20:59 · night 27° · evening 32° · rain 2.13 mm · humidity 36% · wind 6 m/s · clouds 92%

Tuesday14 July 2026

🌧️30°light rain

sunrise 06:09 · sunset 20:59 · night 25° · evening 30° · rain 2.67 mm · humidity 40% · wind 6 m/s · clouds 78%

Wednesday15 July 2026

🌧️30°light rain

sunrise 06:10 · sunset 20:58 · night 22° · evening 31° · rain 4.95 mm · humidity 37% · wind 6 m/s · clouds 54%

Thursday16 July 2026

🌧️29°heavy rain

sunrise 06:10 · sunset 20:58 · night 21° · evening 20° · rain 23.94 mm · humidity 42% · wind 4 m/s · clouds 3%

Friday17 July 2026

☀️29°clear sky

sunrise 06:11 · sunset 20:57 · night 26° · evening 31° · rain 0.63 mm · humidity 39% · wind 3 m/s · clouds 17%

Saturday18 July 2026

🌧️31°light rain

sunrise 06:12 · sunset 20:56 · night 27° · evening 33° · rain 0.18 mm · humidity 36% · wind 5 m/s · clouds 98%

Sunday19 July 2026

🌧️31°light rain

sunrise 06:13 · sunset 20:56 · night 28° · evening 33° · rain 1.2 mm · humidity 37% · wind 4 m/s · clouds 4%

Monday20 July 2026

☀️32°clear sky

sunrise 06:14 · sunset 20:55 · night 28° · evening 32° · humidity 34% · wind 5 m/s · clouds 7%

Tuesday21 July 2026

☀️33°clear sky

sunrise 06:15 · sunset 20:54 · night 30° · evening 33° · humidity 35% · wind 5 m/s · clouds 12%

Wednesday22 July 2026

☀️35°clear sky

sunrise 06:15 · sunset 20:53 · night 30° · evening 35° · humidity 31% · wind 5 m/s

Thursday23 July 2026

☁️34°overcast clouds

sunrise 06:16 · sunset 20:53 · night 36° · evening 36° · humidity 22% · wind 9 m/s · clouds 96%

☀️ UV index in Thessaloniki - is it safe to sunbathe?

Today the UV index in Thessaloniki is 8 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

🌿 Pollen in Thessaloniki - info for allergy sufferers

Today grasses pollen is highest in Thessaloniki - about 4 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

🌊 Sea temperature - Thessaloniki

Water today

30°C

Week avg

30°C

Waves today

0 m

How's the water?

very warm

16-day sea temperature forecast:

8.07 30°C9.07 30°C10.07 30°C11.07 30°C12.07 30°C13.07 30°C14.07 30°C15.07 30°C16.07 30°C

Average sea temperature through the year:

Jan 10°CFeb 10°CMar 12°CApr 16°CMay 20°CJun 26°CJul 29°CAug 30°CSep 28°COct 22°CNov 18°CDec 13°C

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Thessaloniki

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Ateny	15.2	23.5	good
Larissa	13	19.5	very good
Patras	9.1	13.8	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 04:00).

Thessaloniki weather through the year

Warmest, driest months on average: March, April, May, June.

🎉 Public holidays in Thessaloniki - when are the long weekends?

Next long weekend in Thessaloniki: Christmas Day (25 December, Friday) - Friday–Sunday (3 days off).

15 AugustSaturday

Assumption Day

falls on a weekend

28 OctoberWednesday

Ochi Day

25 DecemberFriday

Christmas Day

🎈 long weekend

26 DecemberSaturday

St. Stephen's Day

falls on a weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

6 JanuaryWednesday 2027

Epiphany

15 MarchMonday 2027

Clean Monday

🎈 long weekend

25 MarchThursday 2027

Annunciation

🎈 long weekend + bridge day

30 AprilFriday 2027

Good Friday

🎈 long weekend

1 MaySaturday 2027

Labour Day

falls on a weekend

2 MaySunday 2027

Easter Sunday

falls on a weekend

3 MayMonday 2027

Easter Monday

🎈 long weekend

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

PrilepKochani

FAQ - Thessaloniki weather

What is the weather like in Thessaloniki today?

Today it is about 32° during the day and 28° at night, clear sky.

How far ahead can I check the forecast for Thessaloniki?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.