Dutch Harbor/Unalaska Arpt

Weather station · 53.9°N 166.5°W · 4 m above sea level

ICAO PADUWMO 70489Station data since 1915

Right now11.1°C00:56 UTC · 7 h agoSource: NOAA METAR

Today so far11.1°/8.3°High at 00:56 UTC · low at 04:56 UTCSource: NOAA METAR and SYNOP

All-time record high27.8°CSaturday, 28 August 1982 · highest in available records since 1915Source: NOAA GHCN-Daily

All-time record low−22.2°CWednesday, 22 January 1986 · lowest in available records since 1915Source: NOAA GHCN-Daily

On this day · 23 September

Record high

20.0°C

in 1932

Record low

−2.2°C

in 1994

Average high

11.3°C

all years on record

Record watch

8.9°C short of the record for 23 September

Today’s high 11.1°C against 20.0°C in 1932. A reading that beats it is flagged here automatically, once a second cycle confirms it.

All-time record high

27.8°C

Date: Saturday, 28 August 1982
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Dutch Harbor/Unalaska Arpt, United States
Position: 53.90°N 166.54°W · 4 m

Highest highest in available records since 1915. Source: NOAA GHCN-Daily.

All-time record low

−22.2°C

Date: Wednesday, 22 January 1986
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Dutch Harbor/Unalaska Arpt, United States
Position: 53.90°N 166.54°W · 4 m

Highest and lowest lowest in available records since 1915. Source: NOAA GHCN-Daily.

Where Dutch Harbor/Unalaska Arpt is

53.90°N 166.54°W

Records by month

Jan

14.4°

−22.2°

Feb

15.6°

−17.8°

Mar

20.6°

−16.7°

Apr

16.1°

−12.2°

May

18.9°

−9.4°

Jun

22.8°

−1.1°

Jul

26.1°

1.1°

Aug

27.8°

−3.9°

Sep

26.7°

Recent days

Daily highest and lowest air temperature at Dutch Harbor/Unalaska Arpt, most recent first.
Day	High	At	Low	At
2026-09-23	11.1°C	00:56 UTC	8.3°C	04:56 UTC
2026-09-22	10.0°C	21:56 UTC	5.6°C	15:56 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), 1915 to 2026	Measured, station
Nearby stations and distances	Computed from station positions in our own database	Calculated