Today's Weather Forecast - Rosario

Today's weather in Rosario. high 17°C (63°F), low 12°C (54°F). Drizzle.

Today’s Hourly Weather Outlook

Morning6 AM – Noon14°
Wind speed
10 km/h
Rain probability
15%
AfternoonNoon – 6 PM17°
Wind speed
17 km/h
Rain probability
51%
Evening6 PM – Midn13°
Wind speed
16 km/h
Rain probability
31%
NightMidn – 6 AM14°
Wind speed
12 km/h
Rain probability
2%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:36 AM
Total Daylight
30% of day elapsedSolar noon 12:59 PM
Sunset
Dusk 7:21 PM
Remaining8h 16m
Solar elevation39°
vs yesterday+3 min

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Rosario is forecast to reach a high of 17°C today, with an overnight low around 12°C. That's 5° below the long-term average high of 22°C for this time of year. It continues a recent pattern — 6 of the last 19 days with published data have run cooler than normal. Expect a fair chance of rain (51% probability) and a gentle breeze averaging 17 km/h. Air quality is currently good (AQI 19), with no notable outdoor health concerns.

Today vs Normal

17°C-5° below normal

The long-term average high for today is 22°C.

6 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

2026-08-19: 18°C18°2026-08-20: 21°C21°2026-08-21: 16°C16°2026-08-22: 16°C16°2026-08-23: 18°C18°2026-08-24: 18°C18°2026-08-25: 20°C20°2026-08-26: 22°C22°2026-08-27: 16°C16°2026-08-28: 21°C21°2026-08-29: 22°C22°2026-08-30: 25°C25°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.