Grand Marais Bay
Weather station · 47.7°N 90.3°W · 186 m above sea level
ICAO KGNAStation data since 1998
Record high
24.4°C
in 2017
Record low
0.0°C
in 2000
Average high
15.7°C
all years on record
13.3°C short of the record for 23 September
Today’s high 11.1°C against 24.4°C in 2017. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
35.0°C
- Date
- Monday, 5 July 2021
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Grand Marais Bay, United States
- Position
- 47.74°N 90.35°W · 186 m
Highest highest in available records since 1998. Source: NOAA GHCN-Daily.
All-time record low
−32.8°C
- Date
- Monday, 17 January 2005
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Grand Marais Bay, United States
- Position
- 47.74°N 90.35°W · 186 m
Highest and lowest lowest in available records since 1998. Source: NOAA GHCN-Daily.
Where Grand Marais Bay is
47.74°N 90.35°W
Records by month
Jan
9.4°
−32.8°
Feb
13.9°
−30.5°
Mar
19.4°
−29.3°
Apr
25.6°
−14.3°
May
30.0°
−4.4°
Jun
31.7°
−1.0°
Jul
35.0°
5.0°
Aug
33.3°
3.9°
Sep
31.1°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 11.1°C | 00:56 UTC | 9.4°C | 07:56 UTC |
| 2026-09-22 | 12.8°C | 18:56 UTC | 11.1°C | 14:56 UTC |
Nearby stations
- Grand Marais MuniUnited States10.6 km
- Thunder Bay IntlCanada102.9 km
- THUNDER BAY CS, ONTCanada102.9 km
- Thunder Bay IntlCanada103.1 km
- La Pointe/Madeline Isl ArptUnited States110.8 km
- Ely MuniUnited States112.1 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), 1998 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |
