Trenton

Weather station · 44.1°N 77.5°W · 80 m above sea level

ICAO CYTRWMO 71621Station data since 1935

Right now11.0°C00:00 UTC · 8 h agoSource: NOAA METAR

Today so far11.0°/8.0°High at 00:00 UTC · low at 06:00 UTCSource: NOAA METAR and SYNOP

All-time record high38.9°CThursday, 9 July 1936 · highest in available records since 1935Source: NOAA GHCN-Daily

All-time record low−35.1°CSunday, 16 January 1994 · lowest in available records since 1935Source: NOAA GHCN-Daily

On this day · 23 September

Record high

28.9°C

in 2017

Record low

−1.1°C

in 1947

Average high

18.9°C

all years on record

Record watch

17.9°C short of the record for 23 September

Today’s high 11.0°C against 28.9°C in 2017. A reading that beats it is flagged here automatically, once a second cycle confirms it.

All-time record high

38.9°C

Date: Thursday, 9 July 1936
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Trenton, Canada
Position: 44.12°N 77.53°W · 80 m

Highest highest in available records since 1935. Source: NOAA GHCN-Daily.

All-time record low

−35.1°C

Date: Sunday, 16 January 1994
Time of day: Not recorded. The daily archive stores the day, not the hour.
Location: Trenton, Canada
Position: 44.12°N 77.53°W · 80 m

Highest and lowest lowest in available records since 1935. Source: NOAA GHCN-Daily.

Satellite preview of the station site

Trenton · 11.0°C

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Records by month

Jan

15.1°

−35.1°

Feb

16.3°

−32.2°

Mar

25.4°

−28.9°

Apr

29.6°

−14.4°

May

33.4°

−6.1°

Jun

35.6°

1.1°

Jul

38.9°

5.6°

Aug

36.1°

3.3°

Sep

35.0°

Recent days

Daily highest and lowest air temperature at Trenton, most recent first.
Day	High	At	Low	At
2026-09-23	11.0°C	00:00 UTC	8.0°C	06:00 UTC
2026-09-22	18.0°C	20:00 UTC	14.0°C	15:00 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), 1935 to 2026	Measured, station
Nearby stations and distances	Computed from station positions in our own database	Calculated