Monthly outlook for Plains, MI: average high 55.4°, average low 42.8°. That is 1.6° above the climate normal for October. Precipitation is expected on 6 days (about 1.3 inches), against a normal of 8 days and 2.1 inches. The warmest day looks like 22 October (66.4°), the coolest 26 October (30.8°).
55.4°/42.8°
Average high / low
+1.6°
Above normal
6 / 8
Wet days / normal
1.3 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
57.7°
53.4°
+2.4°
22 October – 31 October
51.5°
50°
+0.8°
1 November – 10 November
at normal
45.2°
—
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).
Tue, 1361° / 48°0.35
61 °
Plains, Tuesday, 13 October
Heavy rain. High 61°, low 48°.
Pressure29.74 inHg
Wind9.5 mph NW
Humidity90%
Visibility6.2 mi
Dew point51°
Wed, 1453° / 46°0
53 °
Plains, Wednesday, 14 October
Overcast. High 53°, low 46°.
Pressure30.18 inHg
Wind9.3 mph NW
Humidity70%
Visibility6.2 mi
Dew point41°
Thu, 1553° / 40°0.01
53 °
Plains, Thursday, 15 October
Light rain. High 53°, low 40°.
Pressure30.21 inHg
Wind8.3 mph S
Humidity69%
Visibility6.2 mi
Dew point41°
Fri, 1647° / 39°0.2
47 °
Plains, Friday, 16 October
Light rain. High 47°, low 39°.
Pressure30.12 inHg
Wind21.3 mph N
Humidity89%
Visibility4.1 mi
Dew point40°
Sat, 1758° / 34°0
58 °
Plains, Saturday, 17 October
Clear. High 58°, low 34°.
Pressure30.18 inHg
Wind11.4 mph SW
Humidity37%
Visibility—
Dew point28°
Sun, 1860° / 40°0
60 °
Plains, Sunday, 18 October
Overcast. High 60°, low 40°.
Pressure29.91 inHg
Wind14.3 mph SW
Humidity45%
Visibility—
Dew point35°
Mon, 1961° / 42°0
61 °
Plains, Monday, 19 October
Overcast. High 61°, low 42°.
Pressure30.12 inHg
Wind7.5 mph SW
Humidity45%
Visibility—
Dew point37°
Tue, 2063° / 44°0
63 °
Plains, Tuesday, 20 October
Clear. High 63°, low 44°.
Pressure30.21 inHg
Wind8.9 mph S
Humidity51%
Visibility—
Dew point42°
Wed, 2159° / 53°0.01
59 °
Plains, Wednesday, 21 October
Light rain. High 59°, low 53°.
Pressure30.18 inHg
Wind11.7 mph S
Humidity88%
Visibility—
Dew point54°
Thu, 2266° / 57°0.18
66 °
Plains, Thursday, 22 October
Light rain. High 66°, low 57°.
Pressure29.88 inHg
Wind15.4 mph S
Humidity76%
Visibility—
Dew point57°
Fri, 2362° / 46°0.3
62 °
Plains, Friday, 23 October
Light rain. High 62°, low 46°.
Pressure29.68 inHg
Wind20.4 mph S
Humidity71%
Visibility—
Dew point42°
Sat, 2444° / 38°0.01
44 °
Plains, Saturday, 24 October
Light rain. High 44°, low 38°.
Pressure30.18 inHg
Wind14.6 mph W
Humidity60%
Visibility—
Dew point30°
Sun, 2542° / 37°0
42 °
Plains, Sunday, 25 October
Overcast. High 42°, low 37°.
Pressure30.24 inHg
Wind6.8 mph NW
Humidity54%
Visibility—
Dew point26°
Mon, 2648° / 31°0.01
48 °
Plains, Monday, 26 October
Light rain. High 48°, low 31°.
Pressure29.94 inHg
Wind7.3 mph SW
Humidity50%
Visibility—
Dew point28°
Tue, 2746° / 39°0.2
46 °
Plains, Tuesday, 27 October
Light rain. High 46°, low 39°.
Pressure29.44 inHg
Wind15.6 mph NW
Humidity79%
Visibility—
Dew point39°
From day 17 onward the outlook is built from 60-year climate statistics
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)
Tue, 1042° / 34°0.19
42 °
Plains, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high42°
Average low34°
Average precipitation0.19 in
Chance of precipitation67%
Record high66° (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.