Osorno/Siebert Arpt

Weather station · 40.6°S 73.1°W · 61 m above sea level

ICAO SCJOWMO 85459Station data since 1973

Right now9.0°C07:00 UTC · 50 min agoSource: NOAA METAR

Today so far9.0°/8.0°High at 07:00 UTC · low at 00:00 UTCSource: NOAA METAR and SYNOP

All-time record high36.0°CTuesday, 28 January 1975 · highest in available records since 1973Source: NOAA GHCN-Daily

All-time record low−7.4°CMonday, 30 June 2025 · lowest in available records since 1973Source: NOAA GHCN-Daily

On this day · 23 September

Record high

18.0°C

in 1973

Record low

−1.2°C

in 2024

Average high

16.8°C

all years on record

Record watch

9.0°C short of the record for 23 September

Today’s high 9.0°C against 18.0°C in 1973. A reading that beats it is flagged here automatically, once a second cycle confirms it.

All-time record high

36.0°C

Date: Tuesday, 28 January 1975
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Osorno/Siebert Arpt, Chile
Position: 40.60°S 73.06°W · 61 m

Highest highest in available records since 1973. Source: NOAA GHCN-Daily.

All-time record low

−7.4°C

Date: Monday, 30 June 2025
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Osorno/Siebert Arpt, Chile
Position: 40.60°S 73.06°W · 61 m

Highest and lowest lowest in available records since 1973. Source: NOAA GHCN-Daily.

Satellite preview of the station site

Osorno/Siebert Arpt · 9.0°C

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Records by month

Jan

36.0°

−0.6°

Feb

33.5°

−0.8°

Mar

31.2°

−2.3°

Apr

25.0°

−4.0°

May

19.8°

−5.0°

Jun

17.0°

−7.4°

Jul

23.0°

−7.0°

Aug

20.0°

−4.2°

Sep

22.8°

Recent days

Daily highest and lowest air temperature at Osorno/Siebert Arpt, most recent first.
Day	High	At	Low	At
2026-09-23	9.0°C	07:00 UTC	8.0°C	00:00 UTC
2026-09-22	10.0°C	16:00 UTC	8.0°C	21:00 UTC

Nearby stations

Data sources for this page

Where each figure on this page comes from.
Figure	Source	Type
Right now, today so far	NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP)	Measured, station
All-time, monthly and on-this-day records	NOAA NCEI Global Historical Climatology Network daily (GHCN-Daily), 1973 to 2026	Measured, station
Nearby stations and distances	Computed from station positions in our own database	Calculated