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WeatherCompare

Rancagua weather for today, tomorrow and the next 14 days, compared across three independent forecast sources so you can see where they agree before you plan your day. Right now it is 15°C and rain in Rancagua. Tomorrow's forecast: highs of 21°C, lows of 12°C with a 100% chance of rain.

Sources: Open-Meteo, OpenWeather, WeatherAPI · Updated every 12 hours

RancaguaChile

Updated 05:24 AM

15°

Rain

Feels like 14°

Humidity
81%
Wind
5 km/h
Pressure
1008 hPa
Visibility
10 km
UV Index
0
Precipitation
100%
Sunrise
06:54 AM
Sunset
08:00 PM

Forecast Comparison

See how independent weather sources forecast the same location right now.

OpenWeatherMap

15°

Rain

Precipitation
100%
Wind
5 km/h
Source: OpenWeatherMap
WeatherAPI.com

14°

Thunderstorm

Precipitation
85%
Wind
4 km/h
Source: WeatherAPI.com
Open-Meteo

12°

Light Drizzle

Precipitation
56%
Wind
5 km/h
Source: Open-Meteo

Forecast agreement

Sources show notable variation

Temperature range

12° – 15°

Rain probability

56% – 100%

Wind speed

4 km/h – 5 km/h

Temperature by provider

Hourly forecast

6 AM14°100%4 km/h
9 AM14°100%4 km/h
12 PM17°0%8 km/h
3 PM19°100%10 km/h
6 PM16°100%8 km/h
9 PM16°100%5 km/h
12 AM14°100%1 km/h
3 AM13°100%3 km/h
6 AM12°100%4 km/h
9 AM13°100%2 km/h
12 PM17°65%5 km/h
3 PM20°100%10 km/h
6 PM21°100%8 km/h
9 PM17°100%5 km/h
12 AM14°0%1 km/h
3 AM14°37%2 km/h

16-day forecast

TodayOct 20
15°10°
100% rain
WedOct 21
18°9°
100% rain
ThuOct 22
20°10°
84% rain
FriOct 23
14°9°
97% rain
SatOct 24
18°7°
61% rain
SunOct 25
20°7°
6% rain
MonOct 26
18°10°
85% rain
TueOct 27
19°9°
57% rain
WedOct 28
21°10°
42% rain
ThuOct 29
24°12°
29% rain
FriOct 30
24°14°
16% rain
SatOct 31
21°12°
20% rain
SunNov 1
22°11°
29% rain
MonNov 2
23°13°
39% rain
TueNov 3
23°14°
45% rain
WedNov 4
0°0°
33% rain

Rain forecast

Precipitation probability: 100%

Hourly precipitation timeline

Wind

NESW

Direction: N

Current wind

5 km/h

Gusts

6 km/h

Hourly wind

6 AM4 km/h
9 AM4 km/h
12 PM8 km/h
3 PM10 km/h
6 PM8 km/h
9 PM5 km/h
12 AM1 km/h
3 AM3 km/h
6 AM4 km/h
9 AM2 km/h
12 PM5 km/h
3 PM10 km/h

Daily wind

Tue10 km/h
Wed10 km/h
Thu7 km/h
Fri10 km/h
Sat7 km/h

Weather alerts

No active weather alerts.

Weather map

Rancagua this time of year

  • Just 150 km apart, but Rancagua runs about 7°C warmer than Valparaíso this month.
  • October brings mid-spring to Rancagua — the seasons are reversed south of the equator.
  • Expect a big gap between day and night — about 14°C.

Planning a trip to Rancagua? Save or share this forecast.

Rancagua weather overview: climate, seasons and what to expect

Rancagua, in O'Higgins Region, Chile, sits at approximately 34.17°S, 70.74°W and is home to about 213,000 people. This page compares forecasts from three independent weather providers — Open-Meteo, OpenWeather and WeatherAPI — so you can see at a glance where they agree and where they differ. The data refreshes every 12 hours via ISR.

Rancagua has a semi-arid climate: dry for most of the year, with only a little rain. The warmest month is January, with highs around 29°C; the coolest is July, when nights average 3°C. June is usually the wettest month (about 52 mm). Close to Rancagua, you can also check Santiago (80 km), Valparaíso (150 km) and Talca (163 km).

Frequently asked questions

What is the weather in Rancagua today?
Right now Rancagua shows rain conditions at around 15°C (feels like 14°C), based on OpenWeatherMap. The chance of rain today is about 100%. Compare this with the other sources above for a fuller picture.
What is the weather in Rancagua tomorrow?
Tomorrow in Rancagua: expect a high of 21°C and a low of 12°C, with a 100% chance of rain. See the hourly breakdown above for more detail.
Will it rain in Rancagua today?
The precipitation probability for Rancagua is around 100% according to OpenWeatherMap. Check the Rain forecast section for the hour-by-hour breakdown and compare with other sources.
What is the 14-day forecast for Rancagua?
The 14-day forecast above shows daily highs, lows and rain probability for Rancagua from multiple sources; compare them to see how confident the outlook is.

More weather questions answered →

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