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Rosario weather

Santa Fe · 948,312 inhabitants · Thursday, October 29 · updated 14:03

Raining now Air: Good Hot · 1 d Moderate storm risk · Tomorrow

19°

Mainly clear

Feels like 19°C

Wind

5 km/h

Gusts

11 km/h

Humidity

71 %

Pressure

1019 hPa

Clouds

38 %

Storm

Rise 06:05 Set 19:26 Day 13 h 20 min UV 10 · Very high

Morning, afternoon, evening

Trend

Afternoon

Mainly clear

26°

Feels like 28°

Wind ↑ WNW 8 km/h

Gusts 17 km/h

Humidity 41 %

Evening

Rain showers

19°

Feels like 19°

Wind ↑ ESE 15 km/h

Gusts 32 km/h

Humidity 80 %

💧 2.8 mm

15:00

26°

WNW 5

18:00

19°

0.9mm

ESE 15

Rosario forecast in charts · next 7 days

The week ahead: highs and lows

▲ This week runs +1.5° warmer than usual

Highs Lows Usual for the season (1991–2020 average)

Hourly detail

Temperature (°C) Rain (mm) Wind (km/h)

Rosario climate: what a normal year looks like

Typical highs of 30 °C or more are reached in January only, at 30 °C.

The hottest stretch is January, when afternoons average 30 °C; the coldest is July, when nights average 6 °C.

From 9 h 58 min of daylight in late June to 14 h 19 min in late December.

Forecast highs for the coming week average 26 °C, 3 °C warmer than a normal October (23 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	30 °C	19 °C	107 mm
Feb	29 °C	19 °C	117 mm
Mar	27 °C	17 °C	131 mm
Apr	23 °C	14 °C	107 mm
May	19 °C	11 °C	71 mm
Jun	17 °C	8 °C	44 mm
Jul	16 °C	6 °C	39 mm
Aug	19 °C	8 °C	55 mm
Sep	21 °C	9 °C	64 mm
Oct	23 °C	13 °C	115 mm
Nov	27 °C	15 °C	117 mm
Dec	29 °C	18 °C	109 mm
Whole year	23 °C	13 °C	1,080 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 32.95° S, 60.64° W, 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 Rosario: pollution and pollen

1/6

Good

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.58µg/m³

PM109µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Rosario

Rain observed over the last two hours by official weather radars around Rosario, followed by the radar forecast for the next hour where the weather service provides one.

Rain radar Last two hours, then forecast where available · drag the timeline

No open weather radar covers Rosario yet: the map shows our hour-by-hour rain forecast (ICON, GFS).

Moon over Rosario

Waning gibbous

87 % illuminated · 18.3 days

Rise 17:35 Set 02:25

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Moonrise and moonset in local time (America/Argentina/Cordoba); phase and lit fraction from a synodic calculation.

Look up a past day in Rosario

Curious about the weather in Rosario on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Rosario weather at a glance

This page gathers everything about the weather in Rosario, Santa Fe: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “mainly clear”, it is 19 °C (feels like 19 °C) and the wind blows at 5 km/h.

Expected range today: 15 °C to 26 °C and around 1 mm of rain; keep an eye on thunderstorms; it will be very hot. 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.

Other big cities nearby

Santa Fe 144 km 21°

Rosario weather data for developers

Use the Rosario 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.

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Where does this forecast come from? Our engine, checked every day against 1125 weather stations