Weather in Constanta - 14-day forecast

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

Forecast for the next days in Constanta

today🌧️ 29°💧 1.3 mm

Thu☁️ 23°💧 0.3 mm

Fri🌧️ 23°💧 1 mm

Sat☀️ 27°💧 0.3 mm

Sun☀️ 25°💧 0.7 mm

Mon☀️ 26°💧 0.9 mm

Tue☀️ 25°💧 1.2 mm

Wed☁️ 26°💧 0.1 mm

⚠️ Weather warnings - Constanta

✅ No active weather warnings for Constanta (region: CONSTANTA). The national weather service is not forecasting dangerous conditions.

14-day forecast - Constanta

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

Next 16 days · forecast

26°

around 23° at night · days with rain: 2

Weeks 3-4 · avg for July

27°

around 18° at night · rain chance 16%

Weeks 5-7 · avg for August

28°

around 18° at night · rain chance 8%

The 30 & 45-day outlook for Constanta: the next 16 days are a numerical forecast updated daily - on average 26° by day and 23° at night. Further out we rely on multi-year climate averages: around 27° in July, and about 28° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Constanta

Wednesday8 July 2026

🌧️29°light rain

sunrise 05:30 · sunset 20:51 · night 18° · evening 25° · rain 1.3 mm · humidity 54% · wind 9 m/s · clouds 48%

Thursday9 July 2026

☁️23°overcast clouds

sunrise 05:31 · sunset 20:50 · night 19° · evening 21° · rain 0.3 mm · humidity 54% · wind 6 m/s · clouds 100%

Friday10 July 2026

🌧️23°light rain

sunrise 05:31 · sunset 20:50 · night 21° · evening 23° · rain 0.97 mm · humidity 52% · wind 7 m/s · clouds 25%

Saturday11 July 2026

☀️27°clear sky

sunrise 05:32 · sunset 20:49 · night 23° · evening 28° · rain 0.26 mm · humidity 53% · wind 8 m/s · clouds 100%

Sunday12 July 2026

☀️25°clear sky

sunrise 05:33 · sunset 20:49 · night 22° · evening 24° · rain 0.72 mm · humidity 63% · wind 7 m/s · clouds 18%

Monday13 July 2026

☀️26°clear sky

sunrise 05:34 · sunset 20:48 · night 24° · evening 26° · rain 0.93 mm · humidity 51% · wind 7 m/s · clouds 100%

Tuesday14 July 2026

☀️25°clear sky

sunrise 05:35 · sunset 20:47 · night 23° · evening 26° · rain 1.2 mm · humidity 58% · wind 5 m/s · clouds 2%

Wednesday15 July 2026

☁️26°broken clouds

sunrise 05:35 · sunset 20:47 · night 23° · evening 25° · rain 0.12 mm · humidity 57% · wind 5 m/s · clouds 84%

Thursday16 July 2026

☀️26°clear sky

sunrise 05:36 · sunset 20:46 · night 24° · evening 26° · rain 0.15 mm · humidity 61% · wind 4 m/s · clouds 6%

Friday17 July 2026

☀️27°clear sky

sunrise 05:37 · sunset 20:45 · night 24° · evening 27° · rain 0.3 mm · humidity 55% · wind 5 m/s · clouds 1%

Saturday18 July 2026

☁️27°overcast clouds

sunrise 05:38 · sunset 20:45 · night 24° · evening 27° · rain 0.3 mm · humidity 59% · wind 7 m/s · clouds 86%

Sunday19 July 2026

☁️27°overcast clouds

sunrise 05:39 · sunset 20:44 · night 24° · evening 26° · rain 0.66 mm · humidity 55% · wind 4 m/s · clouds 100%

Monday20 July 2026

🌧️28°light rain

sunrise 05:40 · sunset 20:43 · night 25° · evening 27° · rain 0.33 mm · humidity 59% · wind 6 m/s · clouds 5%

Tuesday21 July 2026

☀️28°clear sky

sunrise 05:41 · sunset 20:42 · night 24° · evening 26° · rain 0.69 mm · humidity 64% · wind 6 m/s · clouds 8%

Wednesday22 July 2026

☀️28°clear sky

sunrise 05:42 · sunset 20:41 · night 25° · evening 28° · humidity 60% · wind 4 m/s

Thursday23 July 2026

☀️29°clear sky

sunrise 05:43 · sunset 20:40 · night 24° · evening 29° · humidity 45% · wind 5 m/s · clouds 2%

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

Today the UV index in Constanta is 7 (high) - unprotected fair skin can burn in about 30 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

🌿 Pollen in Constanta - info for allergy sufferers

Today grasses pollen is highest in Constanta - about 15 grains/m³, moderate level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

🌊 Sea temperature - Constanta

Water today

25°C

Week avg

25°C

Waves today

0.6 m

How's the water?

warm

16-day sea temperature forecast:

8.07 25°C9.07 25°C10.07 25°C11.07 25°C12.07 25°C13.07 25°C14.07 25°C15.07 25°C16.07 26°C

Average sea temperature through the year:

Jan 8°CFeb 6°CMar 8°CApr 11°CMay 16°CJun 22°CJul 25°CAug 25°CSep 24°COct 19°CNov 14°CDec 11°C

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

Air quality and smog in Constanta

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Bukareszt	7.4	10.8	very good
Timişoara	6.1	8.8	very good
Arad	5.9	7.8	very good
Galacz	5.7	8.2	very good
Konstanca	5.7	9.4	very good
Braila	5.3	7.2	very good
Bacău	5	6	very good
Satu Mare	4.9	6.1	very good
Krajowa	4.7	6.1	very good
Târgu Mureş	4.5	5.7	very good
Oradea	4.5	5.8	very good
Kluz-Napoka	4.5	5.8	very good
Sybin	4.4	5.8	very good
Baia Mare	4.3	5.1	very good
Jassy	4.2	5.5	very good

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

Constanta weather through the year

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

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

Next long weekend in Constanta: St. Andrew's Day (30 November, Monday) - Saturday–Monday (3 days off).

15 AugustSaturday

Dormition of the Theotokos

falls on a weekend

30 NovemberMonday

St. Andrew's Day

🎈 long weekend

1 DecemberTuesday

National Day/Great Union

🎈 long weekend + bridge 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

2 JanuarySaturday 2027

Day after New Year's Day

falls on a weekend

6 JanuaryWednesday 2027

Epiphany

7 JanuaryThursday 2027

Saint John the Baptist

🎈 long weekend + bridge day

24 JanuarySunday 2027

Union Day/Small Union

falls on a weekend

30 AprilFriday 2027

Good Friday

🎈 long weekend

1 MaySaturday 2027

Labour Day

falls on a 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

DobrichVarnaGalatiShumenCahulBucharest

FAQ - Constanta weather

What is the weather like in Constanta today?

Today it is about 29° during the day and 18° at night, light rain.

How far ahead can I check the forecast for Constanta?

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.