Monthly outlook for Iron Mountain, MI: average high 50.4°, average low 38.3°. That is 3.6° above the climate normal for October. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 5 days and 1.2 inches. The warmest day looks like 1 November (67.4°), the coolest 8 November (31°).
50.4°/38.3°
Average high / low
+3.6°
Above normal
4 / 5
Wet days / normal
1.7 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
30 October – 8 November
53.7°
46.1°
+4.2°
9 November – 18 November
45°
40.2°
+2.7°
19 November – 28 November
at normal
35.9°
—
October records over 66 years
83.5°4 October 2025All-time high
16.7°24 October 2002All-time low
Climate normals and records are computed from the nearest reference point — Norway (7 mi).
Sat, 3158° / 34°0.03
58 °
Iron Mountain, Saturday, 31 October
Light rain. High 58°, low 34°.
Pressure30.39 inHg
Wind5.5 mph S
Humidity58%
Visibility6.2 mi
Dew point40°
Sun, 0167° / 44°0.02
67 °
Iron Mountain, Sunday, 1 November
Light rain. High 67°, low 44°.
Pressure30.30 inHg
Wind3.7 mph SW
Humidity72%
Visibility6.2 mi
Dew point53°
Mon, 0260° / 51°0.18
60 °
Iron Mountain, Monday, 2 November
Rain. High 60°, low 51°.
Pressure30.06 inHg
Wind7.2 mph S
Humidity69%
Visibility6.2 mi
Dew point49°
Tue, 0364° / 53°0.57
64 °
Iron Mountain, Tuesday, 3 November
Rain. High 64°, low 53°.
Pressure29.74 inHg
Wind10.6 mph S
Humidity90%
Visibility6.2 mi
Dew point59°
Wed, 0458° / 48°0.68
58 °
Iron Mountain, Wednesday, 4 November
Rain. High 58°, low 48°.
Pressure29.71 inHg
Wind11.1 mph NW
Humidity98%
Visibility—
Dew point52°
Thu, 0549° / 44°0
49 °
Iron Mountain, Thursday, 5 November
Overcast. High 49°, low 44°.
Pressure29.85 inHg
Wind10.4 mph N
Humidity78%
Visibility—
Dew point43°
Fri, 0644° / 37°0
44 °
Iron Mountain, Friday, 6 November
Overcast. High 44°, low 37°.
Pressure30.03 inHg
Wind10.8 mph N
Humidity65%
Visibility—
Dew point32°
Sat, 0743° / 34°0
43 °
Iron Mountain, Saturday, 7 November
Mostly clear. High 43°, low 34°.
Pressure30.24 inHg
Wind9.5 mph NE
Humidity47%
Visibility—
Dew point23°
Sun, 0843° / 31°0
43 °
Iron Mountain, Sunday, 8 November
Partly cloudy. High 43°, low 31°.
Pressure30.45 inHg
Wind4 mph N
Humidity54%
Visibility—
Dew point26°
Mon, 0941° / 35°0
41 °
Iron Mountain, Monday, 9 November
Overcast. High 41°, low 35°.
Pressure30.30 inHg
Wind2.2 mph N
Humidity68%
Visibility—
Dew point30°
Tue, 1045° / 31°0
45 °
Iron Mountain, Tuesday, 10 November
Clear. High 45°, low 31°.
Pressure30.12 inHg
Wind7.1 mph NE
Humidity51%
Visibility—
Dew point26°
Wed, 1146° / 31°0
46 °
Iron Mountain, Wednesday, 11 November
Mostly clear. High 46°, low 31°.
Pressure30.03 inHg
Wind4.4 mph NW
Humidity58%
Visibility—
Dew point29°
Thu, 1248° / 31°0
48 °
Iron Mountain, Thursday, 12 November
Clear. High 48°, low 31°.
Pressure29.83 inHg
Wind5.5 mph W
Humidity39%
Visibility—
Dew point22°
Fri, 1347° / 34°0
47 °
Iron Mountain, Friday, 13 November
Overcast. High 47°, low 34°.
Pressure29.85 inHg
Wind7.9 mph SE
Humidity70%
Visibility—
Dew point37°
Sat, 1443° / 38°0.21
43 °
Iron Mountain, Saturday, 14 November
Light rain. High 43°, low 38°.
Pressure29.80 inHg
Wind9.1 mph NE
Humidity92%
Visibility—
Dew point40°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 1540° / 28°0.05
40 °
Iron Mountain, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high40°
Average low28°
Average precipitation0.05 in
Chance of precipitation23%
Record high63° (2001)
Record low6° (2014)
Mon, 1640° / 27°0.05
40 °
Iron Mountain, Monday, 16 November
Climate normal for this date — 60-year average.
Average high40°
Average low27°
Average precipitation0.05 in
Chance of precipitation18%
Record high60° (2023)
Record low13° (1979)
Tue, 1740° / 28°0.06
40 °
Iron Mountain, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high40°
Average low28°
Average precipitation0.06 in
Chance of precipitation23%
Record high59° (2001)
Record low4° (2014)
Wed, 1840° / 27°0.06
40 °
Iron Mountain, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high40°
Average low27°
Average precipitation0.06 in
Chance of precipitation30%
Record high59° (2001)
Record low6° (2014)
Thu, 1939° / 27°0.06
39 °
Iron Mountain, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high39°
Average low27°
Average precipitation0.06 in
Chance of precipitation35%
Record high58° (1999)
Record low-2° (2014)
Fri, 2038° / 26°0.09
38 °
Iron Mountain, Friday, 20 November
Climate normal for this date — 60-year average.
Average high38°
Average low26°
Average precipitation0.09 in
Chance of precipitation28%
Record high56° (1982)
Record low5° (2014)
Sat, 2136° / 25°0.09
36 °
Iron Mountain, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high36°
Average low25°
Average precipitation0.09 in
Chance of precipitation22%
Record high58° (1990)
Record low-1° (2014)
Sun, 2236° / 24°0.02
36 °
Iron Mountain, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high36°
Average low24°
Average precipitation0.02 in
Chance of precipitation13%
Record high58° (2012)
Record low8° (1978)
Mon, 2337° / 24°0.09
37 °
Iron Mountain, Monday, 23 November
Climate normal for this date — 60-year average.
Average high37°
Average low24°
Average precipitation0.09 in
Chance of precipitation37%
Record high51° (2001)
Record low-3° (2000)
Tue, 2436° / 24°0.06
36 °
Iron Mountain, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high36°
Average low24°
Average precipitation0.06 in
Chance of precipitation25%
Record high52° (2001)
Record low-2° (1995)
Wed, 2536° / 24°0.05
36 °
Iron Mountain, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high36°
Average low24°
Average precipitation0.05 in
Chance of precipitation27%
Record high52° (2001)
Record low1° (1985)
Thu, 2635° / 23°0.1
35 °
Iron Mountain, Thursday, 26 November
Climate normal for this date — 60-year average.
Average high35°
Average low23°
Average precipitation0.1 in
Chance of precipitation32%
Record high53° (2022)
Record low-5° (2014)
Fri, 2733° / 22°0.11
33 °
Iron Mountain, Friday, 27 November
Climate normal for this date — 60-year average.
Average high33°
Average low22°
Average precipitation0.11 in
Chance of precipitation37%
Record high50° (1984)
Record low1° (2014)
Sat, 2833° / 21°0.08
33 °
Iron Mountain, Saturday, 28 November
Climate normal for this date — 60-year average.
Average high33°
Average low21°
Average precipitation0.08 in
Chance of precipitation30%
Record high50° (2006)
Record low-6° (2014)
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Iron Mountain, MI are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Iron Mountain, MI since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.