worldweather12°Cnear normal
usually 10°C–14°C
night: cooler than usual
rain: typical rainfall
wind: exceptionally strong
Weather in Osorno - 14-day forecast
Detailed weather forecast for Osorno, Chile: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Osorno
today☀️
12°💧 1.8 mm
Sun☀️
11°💧 10.1 mm
Mon☀️
12°💧 2.3 mm
Tue🌧️
10°💧 0.1 mm
Wed🌤️
12°💧 1.3 mm
Thu🌧️
7°💧 3 mm
Fri🌤️
10°💧 0.5 mm
Sat☁️
11°💧 10.4 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Thursday 10 Sept in Osorno, the forecast high is 7°C. Typical daytime temperatures at this time of year range from 10°C to 14°C, so it will be exceptionally cool. It is cooler than 98% of similar days.
11°Cnear normal
usually 10°C–14°C
night: near normal
rain: exceptionally wet
wind: exceptionally light
12°Cnear normal
usually 10°C–14°C
night: near normal
rain: typical rainfall
wind: typical
10°Ccooler than usual
usually 10°C–14°C
cooler than 81% of similar days
night: warmer than usual
rain: typical rainfall
wind: lighter than usual
12°Cnear normal
usually 10°C–14°C
night: exceptionally warm
rain: typical rainfall
wind: exceptionally light
7°Cexceptionally cool
usually 10°C–14°C
cooler than 98% of similar days
night: warmer than usual
rain: typical rainfall
wind: typical
10°Ccooler than usual
usually 10°C–14°C
cooler than 76% of similar days
night: warmer than usual
rain: typical rainfall
wind: stronger than usual
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 12°C by day. The coolest year was 2000 (8°C) and the warmest was 1992 (14°C). The current forecast averages 11°C - lower than in 78% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Osorno
Osorno 30 & 45-day weather - long-range outlook
Next 15 days · forecast
12°
around 7° at night · days with rain: 11
Weeks 3-4 · avg for September
13°
around 4° at night · rain chance 59%
Weeks 5-7 · avg for October
15°
around 5° at night · rain chance 49%
The 30 & 45-day outlook for Osorno: the next 15 days are a numerical forecast updated daily - on average 12° by day and 7° at night. Further out we rely on multi-year climate averages: around 13° in September, and about 15° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Osorno
Saturday5 September 2026
☀️12°clear sky
Sunday6 September 2026
☀️11°clear sky
Monday7 September 2026
☀️12°clear sky
Tuesday8 September 2026
🌧️10°light rain
Wednesday9 September 2026
🌤️12°a few clouds
Thursday10 September 2026
🌧️7°light rain
Friday11 September 2026
🌤️10°scattered clouds
Saturday12 September 2026
☁️11°broken clouds
Sunday13 September 2026
☀️12°clear sky
Monday14 September 2026
☀️13°clear sky
Tuesday15 September 2026
☀️14°clear sky
Wednesday16 September 2026
🌤️16°scattered clouds
Thursday17 September 2026
☁️14°overcast clouds
Friday18 September 2026
🌤️15°a few clouds
Saturday19 September 2026
🌧️11°moderate rain
UV index in Osorno - is it safe to sunbathe?
Today the UV index in Osorno is 5 (moderate) - unprotected fair skin can burn in about 40 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.
Air quality and smog in Osorno
Air quality in Osorno is currently very good. Fine particulate PM2.5: 2.3 µg/m³, PM10: 2.9 µg/m³.
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Osorno | 2.3 | 2.9 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-04, 22:00).
Osorno weather through the year
Warmest, driest months on average: January, February, March, April.
Upcoming public holidays in Chile: Independence Day — 18 September · Army Day — 19 September · Columbus Day — 12 October.
Nearby and related places
FAQ - Osorno weather
What is the weather like in Osorno today?
Today it is about 12° during the day and 1° at night, clear sky.
How far ahead can I check the forecast for Osorno?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.