Monthly outlook for Big Bay, MI: average high 49.4°, average low 41.5°. That is 2.3° above the climate normal for October. Precipitation is expected on 5 days (about 1.2 inches), against a normal of 8 days and 1.9 inches. The warmest day looks like 28 October (63.3°), the coolest 11 November (33.3°).
49.4°/41.5°
Average high / low
+2.3°
Above normal
5 / 8
Wet days / normal
1.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
28 October – 6 November
53.8°
47°
+3.7°
7 November – 16 November
42.2°
41.7°
+0.3°
17 November – 26 November
at normal
38.3°
—
October records over 66 years
85.5°2 October 2023All-time high
21.9°27 October 2020All-time low
Thu, 2960° / 47°0.03
60 °
Big Bay, Thursday, 29 October
Light rain. High 60°, low 47°.
Pressure30.00 inHg
Wind21.4 mph W
Humidity70%
Visibility6.2 mi
Dew point40°
Fri, 3049° / 45°0
49 °
Big Bay, Friday, 30 October
Partly cloudy. High 49°, low 45°.
Pressure30.33 inHg
Wind11.4 mph W
Humidity71%
Visibility6.2 mi
Dew point38°
Sat, 3150° / 38°0
50 °
Big Bay, Saturday, 31 October
Clear. High 50°, low 38°.
Pressure30.42 inHg
Wind1.5 mph NW
Humidity75%
Visibility6.2 mi
Dew point41°
Sun, 0158° / 44°0
58 °
Big Bay, Sunday, 1 November
Mostly clear. High 58°, low 44°.
Pressure30.33 inHg
Wind2 mph SE
Humidity76%
Visibility6.2 mi
Dew point45°
Mon, 0261° / 49°0.02
61 °
Big Bay, Monday, 2 November
Light rain. High 61°, low 49°.
Pressure30.15 inHg
Wind9.8 mph SE
Humidity73%
Visibility—
Dew point50°
Tue, 0355° / 48°0
55 °
Big Bay, Tuesday, 3 November
Overcast. High 55°, low 48°.
Pressure30.27 inHg
Wind11.5 mph E
Humidity87%
Visibility—
Dew point47°
Wed, 0450° / 47°0.33
50 °
Big Bay, Wednesday, 4 November
Rain. High 50°, low 47°.
Pressure30.00 inHg
Wind8.1 mph SE
Humidity93%
Visibility—
Dew point47°
Thu, 0550° / 42°0.06
50 °
Big Bay, Thursday, 5 November
Light rain. High 50°, low 42°.
Pressure29.80 inHg
Wind15 mph N
Humidity84%
Visibility—
Dew point43°
Fri, 0640° / 39°0.01
40 °
Big Bay, Friday, 6 November
Light snow. High 40°, low 39°.
Pressure30.00 inHg
Wind16.9 mph NW
Humidity64%
Visibility—
Dew point28°
Sat, 0740° / 35°0
40 °
Big Bay, Saturday, 7 November
Overcast. High 40°, low 35°.
Pressure30.30 inHg
Wind10.6 mph NW
Humidity54%
Visibility—
Dew point24°
Sun, 0847° / 35°0
47 °
Big Bay, Sunday, 8 November
Mostly clear. High 47°, low 35°.
Pressure30.30 inHg
Wind9 mph SW
Humidity37%
Visibility—
Dew point20°
Mon, 0946° / 39°0.37
46 °
Big Bay, Monday, 9 November
Rain. High 46°, low 39°.
Pressure30.18 inHg
Wind9.6 mph S
Humidity63%
Visibility—
Dew point33°
Tue, 1043° / 35°0.31
43 °
Big Bay, Tuesday, 10 November
Snow. High 43°, low 35°.
Pressure30.24 inHg
Wind19.6 mph N
Humidity86%
Visibility—
Dew point34°
Wed, 1137° / 33°0
37 °
Big Bay, Wednesday, 11 November
Overcast. High 37°, low 33°.
Pressure30.42 inHg
Wind16.9 mph NE
Humidity63%
Visibility—
Dew point25°
Thu, 1240° / 36°0
40 °
Big Bay, Thursday, 12 November
Clear. High 40°, low 36°.
Pressure30.27 inHg
Wind7.2 mph E
Humidity58%
Visibility—
Dew point26°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 1340° / 33°0.1
40 °
Big Bay, Friday, 13 November
Climate normal for this date — 60-year average.
Average high40°
Average low33°
Average precipitation0.1 in
Chance of precipitation52%
Record high62° (1999)
Record low14° (2019)
Sat, 1441° / 33°0.06
41 °
Big Bay, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high41°
Average low33°
Average precipitation0.06 in
Chance of precipitation38%
Record high61° (2001)
Record low16° (1986)
Sun, 1541° / 34°0.07
41 °
Big Bay, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high41°
Average low34°
Average precipitation0.07 in
Chance of precipitation42%
Record high59° (2001)
Record low20° (2019)
Mon, 1641° / 33°0.09
41 °
Big Bay, Monday, 16 November
Climate normal for this date — 60-year average.
Average high41°
Average low33°
Average precipitation0.09 in
Chance of precipitation38%
Record high62° (2023)
Record low18° (2019)
Tue, 1740° / 33°0.13
40 °
Big Bay, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high40°
Average low33°
Average precipitation0.13 in
Chance of precipitation47%
Record high61° (2001)
Record low17° (2014)
Wed, 1840° / 32°0.11
40 °
Big Bay, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high40°
Average low32°
Average precipitation0.11 in
Chance of precipitation48%
Record high62° (2001)
Record low13° (2018)
Thu, 1940° / 32°0.11
40 °
Big Bay, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high40°
Average low32°
Average precipitation0.11 in
Chance of precipitation62%
Record high54° (1975)
Record low13° (2014)
Fri, 2038° / 31°0.15
38 °
Big Bay, Friday, 20 November
Climate normal for this date — 60-year average.
Average high38°
Average low31°
Average precipitation0.15 in
Chance of precipitation53%
Record high55° (1982)
Record low13° (2018)
Sat, 2137° / 30°0.13
37 °
Big Bay, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high37°
Average low30°
Average precipitation0.13 in
Chance of precipitation48%
Record high58° (1990)
Record low13° (2018)
Sun, 2238° / 30°0.06
38 °
Big Bay, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high38°
Average low30°
Average precipitation0.06 in
Chance of precipitation35%
Record high57° (2012)
Record low10° (2018)
Mon, 2338° / 29°0.14
38 °
Big Bay, Monday, 23 November
Climate normal for this date — 60-year average.
Average high38°
Average low29°
Average precipitation0.14 in
Chance of precipitation58%
Record high52° (2001)
Record low16° (1995)
Tue, 2438° / 30°0.1
38 °
Big Bay, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high38°
Average low30°
Average precipitation0.1 in
Chance of precipitation42%
Record high55° (2017)
Record low9° (2005)
Wed, 2537° / 30°0.09
37 °
Big Bay, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high37°
Average low30°
Average precipitation0.09 in
Chance of precipitation53%
Record high52° (1984)
Record low15° (2010)
Thu, 2636° / 30°0.15
36 °
Big Bay, Thursday, 26 November
Climate normal for this date — 60-year average.
Average high36°
Average low30°
Average precipitation0.15 in
Chance of precipitation52%
Record high55° (2022)
Record low13° (2010)
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 Big Bay, 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 Big Bay, 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.