Monthly outlook for Plains, MI: average high 50.6°, average low 37.5°. That is 1.3° below the climate normal for October. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 8 days and 2.1 inches. The warmest day looks like 11 October (77.3°), the coolest 18 October (20.5°).
50.6°/37.5°
Average high / low
−1.3°
Below normal
5 / 8
Wet days / normal
1.3 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
11 October – 20 October
53°
54.1°
-0.6°
21 October – 30 October
46.6°
50.3°
-2.1°
31 October – 9 November
at normal
45.9°
—
October records over 66 years
82.9°2 October 2023All-time high
19.9°27 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Harvey (11 mi).
Mon, 1259° / 52°0
59 °
Plains, Monday, 12 October
Light rain. High 59°, low 52°.
Pressure29.83 inHg
Wind6.5 mph N
Humidity94%
Visibility0.5 mi
Dew point54°
Tue, 1356° / 49°0.46
56 °
Plains, Tuesday, 13 October
Heavy rain. High 56°, low 49°.
Pressure29.74 inHg
Wind9.8 mph N
Humidity92%
Visibility6.2 mi
Dew point50°
Wed, 1452° / 47°0
52 °
Plains, Wednesday, 14 October
Overcast. High 52°, low 47°.
Pressure30.12 inHg
Wind9.7 mph NW
Humidity70%
Visibility6.2 mi
Dew point41°
Thu, 1556° / 41°0
56 °
Plains, Thursday, 15 October
Partly cloudy. High 56°, low 41°.
Pressure30.33 inHg
Wind10.9 mph W
Humidity46%
Visibility—
Dew point33°
Fri, 1649° / 32°0.43
49 °
Plains, Friday, 16 October
Snow. High 49°, low 32°.
Pressure30.30 inHg
Wind22.2 mph N
Humidity68%
Visibility—
Dew point33°
Sat, 1734° / 21°0.17
34 °
Plains, Saturday, 17 October
Snow. High 34°, low 21°.
Pressure30.47 inHg
Wind17.7 mph N
Humidity85%
Visibility—
Dew point29°
Sun, 1841° / 20°0
41 °
Plains, Sunday, 18 October
Overcast. High 41°, low 20°.
Pressure30.42 inHg
Wind12.1 mph S
Humidity54%
Visibility—
Dew point23°
Mon, 1950° / 30°0
50 °
Plains, Monday, 19 October
Partly cloudy. High 50°, low 30°.
Pressure30.27 inHg
Wind9.8 mph SW
Humidity57%
Visibility—
Dew point32°
Tue, 2057° / 37°0
57 °
Plains, Tuesday, 20 October
Mostly clear. High 57°, low 37°.
Pressure30.21 inHg
Wind9.7 mph S
Humidity53%
Visibility—
Dew point37°
Wed, 2161° / 43°0
61 °
Plains, Wednesday, 21 October
Overcast. High 61°, low 43°.
Pressure29.77 inHg
Wind14.2 mph S
Humidity48%
Visibility—
Dew point36°
Thu, 2250° / 40°0.02
50 °
Plains, Thursday, 22 October
Light rain. High 50°, low 40°.
Pressure30.09 inHg
Wind10.5 mph N
Humidity81%
Visibility—
Dew point38°
Fri, 2339° / 36°0.07
39 °
Plains, Friday, 23 October
Light rain. High 39°, low 36°.
Pressure30.33 inHg
Wind6.6 mph NW
Humidity89%
Visibility—
Dew point35°
Sat, 2442° / 32°0.07
42 °
Plains, Saturday, 24 October
Snow. High 42°, low 32°.
Pressure30.30 inHg
Wind4.5 mph W
Humidity75%
Visibility—
Dew point33°
Sun, 2541° / 31°0.04
41 °
Plains, Sunday, 25 October
Light rain. High 41°, low 31°.
Pressure30.33 inHg
Wind6.6 mph NW
Humidity71%
Visibility—
Dew point31°
Mon, 2646° / 31°0
46 °
Plains, Monday, 26 October
Overcast. High 46°, low 31°.
Pressure30.00 inHg
Wind11.2 mph S
Humidity81%
Visibility—
Dew point39°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2750° / 40°0.14
50 °
Plains, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.14 in
Chance of precipitation50%
Record high69° (1998)
Record low20° (2020)
Wed, 2849° / 40°0.09
49 °
Plains, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high49°
Average low40°
Average precipitation0.09 in
Chance of precipitation40%
Record high66° (1974)
Record low30° (2002)
Thu, 2948° / 39°0.07
48 °
Plains, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high48°
Average low39°
Average precipitation0.07 in
Chance of precipitation40%
Record high69° (2024)
Record low29° (2017)
Fri, 3050° / 39°0.09
50 °
Plains, Friday, 30 October
Climate normal for this date — 60-year average.
Average high50°
Average low39°
Average precipitation0.09 in
Chance of precipitation40%
Record high70° (2024)
Record low27° (2023)
Sat, 3149° / 39°0.11
49 °
Plains, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high49°
Average low39°
Average precipitation0.11 in
Chance of precipitation47%
Record high63° (1971)
Record low25° (1996)
Sun, 0148° / 38°0.12
48 °
Plains, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high48°
Average low38°
Average precipitation0.12 in
Chance of precipitation47%
Record high66° (1990)
Record low26° (2023)
Mon, 0247° / 37°0.13
47 °
Plains, Monday, 2 November
Climate normal for this date — 60-year average.
Average high47°
Average low37°
Average precipitation0.13 in
Chance of precipitation47%
Record high66° (2022)
Record low21° (1984)
Tue, 0346° / 37°0.07
46 °
Plains, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.07 in
Chance of precipitation45%
Record high67° (2022)
Record low21° (1991)
Wed, 0446° / 37°0.09
46 °
Plains, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.09 in
Chance of precipitation42%
Record high69° (2008)
Record low23° (1966)
Thu, 0546° / 37°0.13
46 °
Plains, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.13 in
Chance of precipitation43%
Record high65° (2015)
Record low19° (1991)
Fri, 0646° / 36°0.11
46 °
Plains, Friday, 6 November
Climate normal for this date — 60-year average.
Average high46°
Average low36°
Average precipitation0.11 in
Chance of precipitation45%
Record high70° (2020)
Record low15° (1991)
Sat, 0745° / 35°0.06
45 °
Plains, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high45°
Average low35°
Average precipitation0.06 in
Chance of precipitation42%
Record high68° (2020)
Record low14° (1991)
Sun, 0844° / 35°0.07
44 °
Plains, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high44°
Average low35°
Average precipitation0.07 in
Chance of precipitation43%
Record high67° (2020)
Record low18° (1991)
Mon, 0944° / 35°0.11
44 °
Plains, Monday, 9 November
Climate normal for this date — 60-year average.
Average high44°
Average low35°
Average precipitation0.11 in
Chance of precipitation45%
Record high70° (2020)
Record low15° (2017)
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 Plains, 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 Plains, 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.