Copper Harbor
Weather station · 47.5°N 87.9°W · 185 m above sea level
ICAO KP59Station data since 1998
Record high
30.0°C
in 2017
Record low
5.0°C
in 1998
Average high
17.2°C
all years on record
18.3°C short of the record for 23 September
Today’s high 11.7°C against 30.0°C in 2017. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
35.6°C
- Date
- Monday, 13 July 2026
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Copper Harbor, United States
- Position
- 47.47°N 87.88°W · 185 m
Highest highest in available records since 1998. Source: NOAA GHCN-Daily.
All-time record low
−29.4°C
- Date
- Monday, 3 March 2003
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Copper Harbor, United States
- Position
- 47.47°N 87.88°W · 185 m
Highest and lowest lowest in available records since 1998. Source: NOAA GHCN-Daily.
Where Copper Harbor is
47.47°N 87.88°W
Every year on record
1998 to 2026
Annual average · °C
Trend over 27 years with data: +0.31 °C per decade
Source: NOAA GHCN-Daily. Years the station did not cover are left as gaps, never joined across. The dashed line is a least squares trend through the years that have data.
Records by month
Jan
15.0°
−22.8°
Feb
13.3°
−26.6°
Mar
22.8°
−29.4°
Apr
25.6°
−14.4°
May
31.1°
−3.2°
Jun
33.3°
1.1°
Jul
35.6°
6.1°
Aug
33.9°
6.7°
Sep
33.9°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 11.7°C | 00:51 UTC | 8.3°C | 03:51 UTC |
| 2026-09-22 | 15.6°C | 17:51 UTC | 11.7°C | 23:51 UTC |
Nearby stations
- Houghton Cnty MemUnited States56.7 km
- Marquette/Sawyer IntlUnited States130.4 km
- Welcome IslandCanada136.5 km
- Thunder Bay IntlCanada147.8 km
- THUNDER BAY CS, ONTCanada147.8 km
- Thunder Bay IntlCanada148.3 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), 1998 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |
