Current Conditions
La Unión, Buenos Aires
Wind
NNE 6 mph9 km/h
Humidity
82%
Cloud Cover
6%
As of Tuesday, September 22, 2026 at 11:48 PM GMT-3
Today's Outlook
Night
Mostly cloudy, with a low around 43°F6°C. Breezy from the N at 10 to 13 mph15 to 20 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Partly Cloudy | High 64°F18°C | Low 43°F6°CFeels 38°F3°C | Precip 0 in0 mm— | Cloud 69% | Wind N 12 mph19 km/h | Wednesday: Overcast and mild, with a high of 64°F18°C and morning low of 44°F7°C. Windy from the N at 14 to 16 mph22 to 25 km/h. Dry air. Wednesday Night: Mostly cloudy, with a low around 43°F6°C. Breezy from the N at 10 to 13 mph15 to 20 km/h. | |
| Partly Cloudy | High 75°F24°C | Low 53°F11°C | Precip 0 in0 mm— | Cloud 52% | Wind N 12 mph19 km/h | Thursday: Partly cloudy and warm, with a high of 75°F24°C and morning low of 53°F11°C. Breezy from the NNW at 12 to 13 mph20 to 21 km/h. Dry air. Thursday Night: Mostly cloudy, with a low around 54°F12°C. Breezy from the N at 11 to 13 mph18 to 20 km/h. | |
| Clear | High 81°F27°C | Low 56°F14°C | Precip 0 in0 mm— | Cloud 35% | Wind W 7 mph11 km/h | Friday: Mostly clear and warm, with a high of 81°F27°C and morning low of 56°F14°C. Breezy from the WSW at 6 to 7 mph10 to 12 km/h. Dry air. Friday Night: Partly cloudy, with a low around 59°F15°C. Breezy from the NW at 7 to 10 mph11 to 16 km/h. | |
| Drizzle | High 76°F24°C | Low 54°F12°C | Precip 0.02 in0.5 mm16% | Cloud 36% | Wind ESE 9 mph15 km/h | Saturday: Partly cloudy and warm, with a high of 76°F24°C and morning low of 54°F12°C. Breezy from the E at 10 to 12 mph16 to 20 km/h. Dry air. Saturday Night: Partly cloudy, with a low around 56°F13°C. Breezy from the ESE at 9 to 13 mph15 to 21 km/h. 16% chance of drizzle in the evening. | |
| Rain | High 63°F17°C | Low 56°F13°C | Precip 0.51 in12.9 mm75% | Cloud 62% | Wind E 12 mph20 km/h | Sunday: Mostly cloudy and mild, with a high of 63°F17°C and morning low of 56°F13°C. Breezy from the E at 13 mph21 km/h. 75% chance of rain throughout the day. Sunday Night: Mostly cloudy, with a low around 57°F14°C. Breezy from the E at 12 to 13 mph19 to 21 km/h. 45% chance of showers throughout the night. | |
| Showers | High 66°F19°C | Low 55°F13°C | Precip 0.09 in2.2 mm31% | Cloud 67% | Wind ESE 11 mph18 km/h | Monday: Mostly cloudy and mild, with a high of 66°F19°C and morning low of 55°F13°C. Breezy from the ESE at 12 to 13 mph20 to 21 km/h. 17% chance of drizzle throughout the day. Monday Night: Mostly cloudy, with a low around 56°F13°C. Breezy from the ESE at 11 to 12 mph17 to 19 km/h. 31% chance of showers throughout the night. | |
| Light Rain | High 61°F16°C | Low 55°F13°C | Precip 0.37 in9.4 mm56% | Cloud 87% | Wind SE 11 mph18 km/h | Tuesday: Overcast and mild, with a high of 61°F16°C and morning low of 55°F13°C. Breezy from the SE at 12 mph19 km/h. 56% chance of light rain throughout the day. Tuesday Night: Overcast, with a low around 55°F13°C. Breezy from the SE at 11 to 12 mph18 to 19 km/h. 55% chance of light rain throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 23 | 64°F18°C | 43°F6°C Feels 38°F3°C | 0 in0 mm· — | 69% | Partly Cloudy | N 12 mph19 km/h | |
DayOvercast and mild, with a high of 64°F18°C and morning low of 44°F7°C. Windy from the N at 14 to 16 mph22 to 25 km/h. Dry air. NightMostly cloudy, with a low around 43°F6°C. Breezy from the N at 10 to 13 mph15 to 20 km/h. | |||||||
| ThursdaySep 24 | 75°F24°C | 53°F11°C | 0 in0 mm· — | 52% | Partly Cloudy | N 12 mph19 km/h | |
DayPartly cloudy and warm, with a high of 75°F24°C and morning low of 53°F11°C. Breezy from the NNW at 12 to 13 mph20 to 21 km/h. Dry air. NightMostly cloudy, with a low around 54°F12°C. Breezy from the N at 11 to 13 mph18 to 20 km/h. | |||||||
| FridaySep 25 | 81°F27°C | 56°F14°C | 0 in0 mm· — | 35% | Clear | W 7 mph11 km/h | |
DayMostly clear and warm, with a high of 81°F27°C and morning low of 56°F14°C. Breezy from the WSW at 6 to 7 mph10 to 12 km/h. Dry air. NightPartly cloudy, with a low around 59°F15°C. Breezy from the NW at 7 to 10 mph11 to 16 km/h. | |||||||
| SaturdaySep 26 | 76°F24°C | 54°F12°C | 0.02 in0.5 mm· 16% | 36% | Drizzle | ESE 9 mph15 km/h | |
DayPartly cloudy and warm, with a high of 76°F24°C and morning low of 54°F12°C. Breezy from the E at 10 to 12 mph16 to 20 km/h. Dry air. NightPartly cloudy, with a low around 56°F13°C. Breezy from the ESE at 9 to 13 mph15 to 21 km/h. 16% chance of drizzle in the evening. | |||||||
| SundaySep 27 | 63°F17°C | 56°F13°C | 0.51 in12.9 mm· 75% | 62% | Rain | E 12 mph20 km/h | |
DayMostly cloudy and mild, with a high of 63°F17°C and morning low of 56°F13°C. Breezy from the E at 13 mph21 km/h. 75% chance of rain throughout the day. NightMostly cloudy, with a low around 57°F14°C. Breezy from the E at 12 to 13 mph19 to 21 km/h. 45% chance of showers throughout the night. | |||||||
| MondaySep 28 | 66°F19°C | 55°F13°C | 0.09 in2.2 mm· 31% | 67% | Showers | ESE 11 mph18 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 55°F13°C. Breezy from the ESE at 12 to 13 mph20 to 21 km/h. 17% chance of drizzle throughout the day. NightMostly cloudy, with a low around 56°F13°C. Breezy from the ESE at 11 to 12 mph17 to 19 km/h. 31% chance of showers throughout the night. | |||||||
| TuesdaySep 29 | 61°F16°C | 55°F13°C | 0.37 in9.4 mm· 56% | 87% | Light Rain | SE 11 mph18 km/h | |
DayOvercast and mild, with a high of 61°F16°C and morning low of 55°F13°C. Breezy from the SE at 12 mph19 km/h. 56% chance of light rain throughout the day. NightOvercast, with a low around 55°F13°C. Breezy from the SE at 11 to 12 mph18 to 19 km/h. 55% chance of light rain throughout the night. | |||||||
| WednesdaySep 30 | 62°F17°C | 49°F9°C Feels 45°F7°C | 0.04 in1 mm· 13% | 69% | Drizzle | SSE 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 62°F17°C and morning low of 49°F9°C. Breezy from the S at 9 mph14 km/h. 10% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 50°F10°C. Breezy from the SSE at 8 to 9 mph13 to 15 km/h. 13% chance of drizzle overnight. | |||||||
| ThursdayOct 1 | 64°F18°C | 47°F9°C Feels 44°F7°C | 0.02 in0.5 mm· 8% | 58% | Partly Cloudy | E 8 mph13 km/h | |
DayMostly cloudy and mild, with a high of 64°F18°C and morning low of 47°F9°C. Breezy from the ENE at 8 to 9 mph13 to 14 km/h. Dry air. NightMostly cloudy, with a low around 49°F9°C. Breezy from the E at 8 to 9 mph13 to 15 km/h. | |||||||
| FridayOct 2 | 66°F19°C | 53°F12°C | 0.11 in2.9 mm· 26% | 76% | Light Rain | ENE 10 mph16 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 53°F12°C. Breezy from the NE at 11 to 12 mph17 to 19 km/h. 22% chance of light rain throughout the day. NightMostly cloudy, with a low around 53°F12°C. Breezy from the ENE at 9 mph14 km/h. 26% chance of light rain throughout the night. | |||||||
| SaturdayOct 3 | 67°F20°C | 57°F14°C | 0.31 in7.9 mm· 40% | 82% | Light Rain | ENE 9 mph14 km/h | |
DayOvercast and mild, with a high of 67°F20°C and morning low of 57°F14°C. Breezy from the ENE at 9 to 10 mph15 to 16 km/h. 40% chance of light rain throughout the day. NightMostly cloudy, with a low around 58°F14°C. Breezy from the E at 8 to 9 mph13 to 14 km/h. 30% chance of light rain throughout the night. | |||||||
| SundayOct 4 | 69°F20°C | 53°F12°C | 0.19 in4.9 mm· 30% | 60% | Showers | SSW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 69°F20°C and morning low of 53°F12°C. Breezy from the SW at 9 to 11 mph15 to 18 km/h. 21% chance of showers throughout the day. NightMostly cloudy, with a low around 55°F13°C. Breezy from the SSW at 8 to 9 mph13 to 14 km/h. 30% chance of showers throughout the night. | |||||||
| MondayOct 5 | 67°F19°C | 50°F10°C Feels 46°F8°C | 0.04 in1.1 mm· 13% | 54% | Drizzle | SSW 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 67°F19°C and morning low of 50°F10°C. Breezy from the SSW at 9 to 10 mph15 to 17 km/h. Dry air. NightMostly cloudy, with a low around 52°F11°C. Breezy from the S at 8 to 9 mph13 to 14 km/h. 13% chance of drizzle overnight. | |||||||
| TuesdayOct 6 | 66°F19°C | 49°F9°C Feels 46°F8°C | 0.04 in0.9 mm· 9% | 58% | Partly Cloudy | ESE 8 mph13 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 49°F9°C. Breezy from the E at 9 to 10 mph14 to 15 km/h. Dry air. NightMostly cloudy, with a low around 51°F10°C. Breezy from the ESE at 8 to 9 mph13 to 14 km/h. | |||||||
| WednesdayOct 7 | 66°F19°C | 51°F10°C | 0.05 in1.2 mm· 16% | 63% | Drizzle | E 9 mph14 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 51°F10°C. Breezy from the ENE at 9 to 10 mph15 to 16 km/h. 11% chance of drizzle throughout the day. Dry air. NightMostly cloudy, with a low around 52°F11°C. Breezy from the E at 9 mph14 km/h. 16% chance of drizzle throughout the night. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 34.8756°S, 58.5419°W·Elevation: 18m·Timezone: America/Argentina/Buenos_Aires·Population: 24,293