SARNIA, ONT
Weather station · 43.0°N 82.3°W · 181 m above sea level
WMO 71704Station data since 2009
Record high
31.7°C
in 2017
Record low
5.5°C
in 2018
Average high
21.1°C
all years on record
21.9°C short of the record for 23 September
Today’s high 9.8°C against 31.7°C in 2017. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
36.4°C
- Date
- Tuesday, 17 July 2012
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- SARNIA, ONT, Canada
- Position
- 43.00°N 82.31°W · 181 m
Highest highest in available records since 2009. Source: NOAA GHCN-Daily.
All-time record low
−28.0°C
- Date
- Monday, 16 February 2015
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- SARNIA, ONT, Canada
- Position
- 43.00°N 82.31°W · 181 m
Highest and lowest lowest in available records since 2009. Source: NOAA GHCN-Daily.
Satellite preview of the station site
SARNIA, ONT · 9.8°C
Map: Google Maps, opens in a new tab
See the place
Satellite view of the station and the ground around it
Records by month
Jan
16.0°
−25.2°
Feb
20.7°
−28.0°
Mar
27.9°
−21.3°
Apr
28.4°
−7.0°
May
32.2°
−2.6°
Jun
34.7°
4.9°
Jul
36.4°
8.4°
Aug
35.0°
6.9°
Sep
35.8°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 9.8°C | 06:00 UTC | 9.8°C | 06:00 UTC |
Nearby stations
- Sarnia/Hadfield ArptCA0.5 km
- SARNIA CLIMATE, ONTCanada0.5 km
- Sarnia AirportCanada0.6 km
- Port Huron/St Clair CntyUS20.8 km
- Selfridge ANGBUS61.5 km
- RIDGETOWN RCS, ONTCanada70.3 km
Data sources for this page
| 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), 2009 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |