27°
Overcast, feels like 25°.
San Juan, Argentina · Wednesday, 4 November 2026
Low/High
17°/27°
Humidity
46%
Chance of rain
65%
Wind
29.5 km/h
UV
9.1
Temperature Tomorrow
San Juan Weather Tomorrow by Time of Day
| Time of day | Weather | Weather | Temperature | Chance of rain |
|---|---|---|---|---|
| Morning |  | Mostly clear | 17–21°C | 13% |
| Afternoon |  | Clear sky | 23–27°C | 0% |
| Evening | | Clear sky | 24–27°C | 0% |
| Night |  | Mostly clear | 21–22°C | 0% |
San Juan Weather Tomorrow — Wednesday, 4 November 2026
| Date | Low/High | Weather | Chance of rain | Wind | Summary |
|---|---|---|---|---|---|
| 17 °/27 ° |
Overcast
|
65% | 30 km/h | Wed 4 Nov WeatherLow/High17°/27° Humidity46% Pressure940 hPa Sunrise/Sunset |
San Juan Hourly Weather Tomorrow
| Time | Weather | Weather | Temperature | Feels like | Rain | Humidity | Wind |
|---|---|---|---|---|---|---|---|
 | Overcast | 22° | 18° | 65% | 48% | 30 km/h | |
| Mostly clear | 21° | 17° | 52% | 50% | 27 km/h | |
| Partly cloudy | 20° | 17° | 25% | 58% | 23 km/h | |
| Partly cloudy | 19° | 16° | 6% | 64% | 26 km/h | |
| Partly cloudy | 18° | 15° | 4% | 66% | 23 km/h | |
| Mostly clear | 17° | 15° | 10% | 69% | 19 km/h | |
| Partly cloudy | 17° | 14° | 13% | 70% | 19 km/h | |
| Partly cloudy | 17° | 14° | 10% | 69% | 20 km/h | |
| Mostly clear | 18° | 15° | 4% | 65% | 21 km/h | |
| Mostly clear | 19° | 15° | 0% | 60% | 26 km/h | |
| Mostly clear | 20° | 16° | 0% | 55% | 26 km/h | |
| Mostly clear | 21° | 19° | 0% | 48% | 25 km/h | |
| Mostly clear | 23° | 21° | 0% | 42% | 23 km/h | |
| Mostly clear | 25° | 24° | 0% | 37% | 22 km/h | |
| Clear sky | 26° | 25° | 0% | 31% | 22 km/h | |
| Clear sky | 27° | 25° | 0% | 28% | 21 km/h | |
| Clear sky | 27° | 25° | 0% | 25% | 23 km/h | |
| Clear sky | 27° | 24° | 0% | 26% | 24 km/h | |
 | Clear sky | 27° | 22° | 0% | 27% | 24 km/h | |
| Clear sky | 25° | 21° | 0% | 30% | 24 km/h | |
| Clear sky | 24° | 20° | 0% | 32% | 17 km/h | |
| Mostly clear | 22° | 20° | 0% | 35% | 11 km/h | |
| Clear sky | 22° | 19° | 0% | 38% | 11 km/h | |
| Mostly clear | 21° | 18° | 0% | 40% | 10 km/h | |
Summary
This page uses one forecast point in San Juan. Conditions vary across the region.
Tomorrow, Wednesday 4 November 2026, the weather in San Juan is forecast to be overcast, with temperatures of 17–27°C and a chance of rain of up to 65%, highest around 00:00 local time. Take an umbrella or a rain jacket.
Updated at 23:16 local time, 3 November 2026
San Juan Hourly Temperature and Chance of Rain
San Juan Air Quality
Good · AQI 44Air quality is good and poses little or no risk for outdoor activity.
PM2.5 (µg/m³)11
PM10 (µg/m³)76
O₃ (µg/m³)61
NO₂ (µg/m³)5.5
SO₂ (µg/m³)1.1
CO (µg/m³)143
Windy Map
Weather Tools
- Weather TomorrowMorning, afternoon, evening and night
- 10-Day ForecastTemperature and rain, day by day
- Weekend WeatherSaturday and Sunday at a glance
- Weather HistoryThis date in past years
- Sunset TimeWhat time the sun sets today and tomorrow
- Sunrise TimeWhat time the sun rises today and tomorrow
- Temperature NowHow hot or cold it is right now
- Will It Rain Today?Hourly chance of rain today and tomorrow
- UV IndexHourly UV level today
- Air QualityAQI and PM2.5 today
- Wind SpeedWind speed now and hour by hour
- Weather RadarLive rain radar map
- Tide TimesHigh and low tide today
- Moon PhaseTonight's moon and full moon dates
- Lunar EclipseLunar eclipse dates to 2030
- Solar EclipseSolar eclipse dates to 2030
- Meteor ShowersMeteor shower peak dates in 2026
- Compare WeatherCompare the weather in two cities
- Weather widgetAdd a weather forecast to your website.
- Celsius to Fahrenheit°C to °F, with formula
- Fahrenheit to Celsius°F to °C, with formula
- Wind speed converterKnots, mph, km/h and m/s
- Beaufort scaleWind force 0–12 with speeds
- Barometric pressureCurrent pressure, trends and 7-day graph
- Wind directionDegrees to compass points
- Dew point calculatorFrom temperature and humidity
- Relative humidity calculatorFrom temperature and dew point
- Heat index calculatorFeels-like temperature in heat
- Wind chill calculatorFeels-like temperature in the cold
- Rainfall convertermm to inches and liters per m²
- Visibility converterkm, miles and nautical miles
- Weather toolsConverters, calculators and forecast tools