MIZ001-280800-
Keweenaw-
Including the city of Copper Harbor
223 PM EDT Sun Sep 27 2026
.LATE THIS AFTERNOON...Cloudy with a 20 percent chance of
showers. Southwest winds 5 to 10 mph.
.TONIGHT...Partly cloudy. Patchy fog after midnight. Lows around
50. Light west winds, becoming northwest after midnight.
.MONDAY...Patchy fog in the morning. Partly cloudy. Highs 63 to
68. Light north winds, becoming southeast in the afternoon.
.MONDAY NIGHT...Cloudy. Lows around 53. Light southeast winds,
becoming south 5 to 10 mph with gusts up to 20 mph after
midnight.
.TUESDAY...A slight chance of showers in the morning, then a
chance of showers in the afternoon. Mostly cloudy. Highs 62 to
67 inland to around 71 at the shore. Temperature falling into the
middle 60s in the afternoon. South winds 5 to 15 mph with gusts
up to 25 mph. Chance of rain 40 percent.
.TUESDAY NIGHT...Showers likely in the evening, then a chance of
showers after midnight. Cloudy. Lows 53 to 58. Southwest winds
5 to 10 mph with gusts up to 20 mph. Chance of rain 60 percent.
.WEDNESDAY...A chance of showers in the afternoon. Mostly cloudy.
Highs 61 to 66 inland to around 69 at the shore. Chance of rain
40 percent.
.WEDNESDAY NIGHT...Cloudy with a 50 percent chance of showers.
Lows around 53.
.THURSDAY...Breezy. Mostly cloudy. Highs around 61.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 42 to
47. Highs around 57.
.SATURDAY...Partly cloudy. Highs around 57.
.SATURDAY NIGHT...Mostly cloudy. Lows 43 to 48.
.SUNDAY...A chance of rain showers in the morning. Mostly cloudy.
Highs around 56. Chance of rain 30 percent.
MIZ001-280800-
Copper Harbor-Keweenaw MI
47.47N 87.89W Elev. 610 ft
222 PM EDT Sun Sep 27 2026
Date 09/27/26 Mon 09/28/26 Tue 09/29/26 Wed
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 51 66 53 71 57
Temp 64 58 55 54 53 53 60 64 65 57 55 55 55 57 65 70 69 63 60 60 58 58
Dewpt 51 52 54 54 53 53 56 56 56 55 55 55 54 54 56 56 55 56 57 58 58 57
RH 63 80 96100100100 87 75 73 93100100 96 90 73 61 61 78 90 93100 96
Wind dir W SW SW W NW NW NE NE E E SE S S S S S S S S SW S S
Wind spd 2 1 2 2 2 2 2 2 3 2 3 5 6 8 10 10 10 8 6 6 5 5
Wind gust 17 18 20 18 18 17 16
Clouds OV B2 B1 SC SC SC SC SC FW SC B1 B2 B2 B2 B2 B1 B2 OV OV OV OV B2
PoP 12hr 0 0 5 30 60
QPF 12hr 0 0 0 0.02 0.25
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C L L C C S
Obvis PF
Date 09/30 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 70 54 61 44 57 43 57 44 56
Temp 69 62 59 56 60 55 50 46 56 51 48 44 56 52 49 45 55 50
Dewpt 59 58 58 52 46 44 41 40 39 40 40 40 40 42 42 42 41 40
PWind dir S SW W NW NW NW W S SW
Wind char LT LT BZ GN BZ LT GN LT GN
Avg clouds B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC B1 B2 B2 B2 B1
PoP 12hr 40 40 20 5 5 0 5 20 30
Rain shwrs S C C C S S C S
Last updated: 2026-09-27 20:11:04.922812 Central