11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Light rain
13°
Feels like 13°
Wind↑ SE 28 km/h
Humidity 76 %
💧 1.2 mm
Evening
Drizzle
13°
Feels like 13°
Wind↑ E 32 km/h
Humidity 71 %
💧 0.3 mm
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Light rain
13°
Feels like 13°
Wind↑ E 37 km/h
Humidity 77 %
💧 1.8 mm
Evening
Overcast
10°
Feels like 10°
Wind↑ N 33 km/h
Humidity 83 %
💧 0.1 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
7°
Feels like 4°
Wind↑ NW 20 km/h
Humidity 72 %
Evening
Mainly clear
11°
Feels like 11°
Wind↑ S 10 km/h
Humidity 56 %
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Rain
12°
Feels like 12°
Wind↑ SE 34 km/h
Gusts40 km/h
Humidity 91 %
💧 11.2 mm
Constanta forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Constanta climate: what a normal year looks like
The hottest stretch is August, when afternoons average 29 °C; the coldest is January, when nights average −2 °C. Between those two months the average temperature changes by 23 °C.
From 15 h 30 min of daylight in late June to 8 h 52 min in late December.
A normal year brings roughly 550 mm of rain — less than 84% of the towns of 20,000+ people we compared it with.
Nights typically freeze in January and February, the coldest averaging −2 °C in January.
Forecast highs for the coming week average 14 °C, 3 °C cooler than a normal October (17 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Sea
Jan
4 °C
−2 °C
45 mm
6 °C
Feb
6 °C
0 °C
37 mm
5 °C
Mar
10 °C
3 °C
47 mm
6 °C
Apr
15 °C
8 °C
42 mm
9 °C
May
21 °C
13 °C
52 mm
16 °C
Jun
26 °C
17 °C
61 mm
21 °C
Jul
29 °C
20 °C
45 mm
24 °C
Aug
29 °C
20 °C
39 mm
25 °C
Sep
24 °C
15 °C
52 mm
22 °C
Oct
17 °C
11 °C
48 mm
18 °C
Nov
11 °C
5 °C
43 mm
13 °C
Dec
7 °C
1 °C
46 mm
9 °C
Whole year
17 °C
9 °C
550 mm
14 °C
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 44.18° N, 28.63° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Constanta: pollution and pollen
2/6
Fair
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.516µg/m³
PM1020µg/m³
O₃44µg/m³
NO₂5µg/m³
SO₂1µg/m³
Pollen · dominant: Grass
AlderNone
BirchNone
GrassLow
MugwortNone
OliveNone
RagweedNone
Copernicus CAMS model, updated several times a day.
Rain radar around Constanta
Rain observed over the last two hours by official weather radars around Constanta, followed by the radar forecast for the next hour where the weather service provides one.
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Rain radarLast two hours, then forecast where available · drag the timeline
Moon over Constanta
Waning gibbous
87 % illuminated · 18.3 days
Rise 02:47 Set 19:50
Fri30/1079%
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Moonrise and moonset in local time (Europe/Bucharest); phase and lit fraction from a synodic calculation.
Sea and tides near Constanta
Tide station used: Csta · 5 km away
🌊 Sea surface
16.9 °C
satellite, 29/10
TodayThu 29/10
High tide04:040.1 m
Low tide12:130.0 m
TomorrowFri 30/10
High tide04:440.1 m
Low tide12:590.0 m
SatSat 31/10
High tide05:280.1 m
Low tide13:550.0 m
SunSun 01/11
High tide06:080.1 m
Low tide14:490.0 m
Indicative heights above chart datum. Coefficient: 20 for the weakest tides, 120 for the strongest. · more tide detail on TidesAtlas
Look up a past day in Constanta
Curious about the weather in Constanta on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Constanta weather at a glance
This page gathers everything about the weather in Constanta, Constanța County: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “overcast”, it is 13 °C (feels like 13 °C) and the wind blows at 15 km/h.
Expected range today: 13 °C to 14 °C and around 3 mm of rain. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms, plus the tide times for Csta.
Use the Constanta forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
