Monthly outlook for Corunna, MI: average high 60.3°, average low 43.7°. That is 1.1° above the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 12 October (80.5°), the coolest 18 October (25.9°).
60.3°/43.7°
Average high / low
+1.1°
Above normal
3 / 5
Wet days / normal
1.3 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
10 October – 19 October
63.1°
59.2°
+2.1°
20 October – 29 October
55.7°
55.6°
+0.1°
30 October – 8 November
at normal
51.9°
—
October records over 66 years
85.5°7 October 2007All-time high
22.1°29 October 1967All-time low
Climate normals and records are computed from the nearest reference point — Durand (8 mi).
Sun, 1172° / 53°0
72 °
Corunna, Sunday, 11 October
Overcast. High 72°, low 53°.
Pressure30.03 inHg
Wind5.8 mph SE
Humidity68%
Visibility6.2 mi
Dew point56°
Mon, 1280° / 49°0.06
80 °
Corunna, Monday, 12 October
Light rain. High 80°, low 49°.
Pressure29.88 inHg
Wind8.9 mph SW
Humidity64%
Visibility6.2 mi
Dew point59°
Tue, 1378° / 63°0.02
78 °
Corunna, Tuesday, 13 October
Light rain. High 78°, low 63°.
Pressure29.68 inHg
Wind15.5 mph W
Humidity65%
Visibility6.2 mi
Dew point63°
Wed, 1460° / 52°0
60 °
Corunna, Wednesday, 14 October
Overcast. High 60°, low 52°.
Pressure30.09 inHg
Wind8.5 mph N
Humidity69%
Visibility6.2 mi
Dew point47°
Thu, 1559° / 47°0
59 °
Corunna, Thursday, 15 October
Overcast. High 59°, low 47°.
Pressure30.36 inHg
Wind9 mph N
Humidity52%
Visibility—
Dew point40°
Fri, 1661° / 44°0.15
61 °
Corunna, Friday, 16 October
Light rain. High 61°, low 44°.
Pressure29.53 inHg
Wind29.8 mph W
Humidity64%
Visibility—
Dew point44°
Sat, 1745° / 34°0.03
45 °
Corunna, Saturday, 17 October
Light rain. High 45°, low 34°.
Pressure30.00 inHg
Wind22.2 mph W
Humidity51%
Visibility—
Dew point27°
Sun, 1845° / 26°0
45 °
Corunna, Sunday, 18 October
Clear. High 45°, low 26°.
Pressure30.45 inHg
Wind9.4 mph N
Humidity28%
Visibility—
Dew point11°
Mon, 1954° / 33°0
54 °
Corunna, Monday, 19 October
Partly cloudy. High 54°, low 33°.
Pressure30.42 inHg
Wind14.5 mph SW
Humidity33%
Visibility—
Dew point22°
Tue, 2060° / 36°0
60 °
Corunna, Tuesday, 20 October
Overcast. High 60°, low 36°.
Pressure30.39 inHg
Wind11.6 mph S
Humidity27%
Visibility—
Dew point23°
Wed, 2162° / 45°0.03
62 °
Corunna, Wednesday, 21 October
Light rain. High 62°, low 45°.
Pressure30.09 inHg
Wind17.2 mph S
Humidity34%
Visibility—
Dew point31°
Thu, 2260° / 50°0.02
60 °
Corunna, Thursday, 22 October
Light rain. High 60°, low 50°.
Pressure30.00 inHg
Wind17.9 mph W
Humidity52%
Visibility—
Dew point37°
Fri, 2354° / 41°0
54 °
Corunna, Friday, 23 October
Overcast. High 54°, low 41°.
Pressure30.03 inHg
Wind17.2 mph W
Humidity41%
Visibility—
Dew point30°
Sat, 2453° / 35°0
53 °
Corunna, Saturday, 24 October
Clear. High 53°, low 35°.
Pressure30.15 inHg
Wind11.5 mph NW
Humidity40%
Visibility—
Dew point26°
Sun, 2545° / 37°1.01
45 °
Corunna, Sunday, 25 October
Rain. High 45°, low 37°.
Pressure29.83 inHg
Wind16.7 mph SE
Humidity96%
Visibility—
Dew point40°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2655° / 41°0.09
55 °
Corunna, Monday, 26 October
Climate normal for this date — 60-year average.
Average high55°
Average low41°
Average precipitation0.09 in
Chance of precipitation25%
Record high76° (1963)
Record low27° (1962)
Tue, 2754° / 41°0.1
54 °
Corunna, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high54°
Average low41°
Average precipitation0.1 in
Chance of precipitation35%
Record high75° (2023)
Record low27° (1976)
Wed, 2854° / 40°0.06
54 °
Corunna, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high54°
Average low40°
Average precipitation0.06 in
Chance of precipitation22%
Record high71° (1989)
Record low24° (1967)
Thu, 2953° / 40°0.06
53 °
Corunna, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high53°
Average low40°
Average precipitation0.06 in
Chance of precipitation18%
Record high75° (2024)
Record low22° (1967)
Fri, 3055° / 40°0.08
55 °
Corunna, Friday, 30 October
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.08 in
Chance of precipitation23%
Record high74° (2024)
Record low28° (1988)
Sat, 3155° / 41°0.11
55 °
Corunna, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high55°
Average low41°
Average precipitation0.11 in
Chance of precipitation33%
Record high72° (2024)
Record low26° (1988)
Sun, 0153° / 41°0.12
53 °
Corunna, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high53°
Average low41°
Average precipitation0.12 in
Chance of precipitation45%
Record high73° (2016)
Record low25° (2023)
Mon, 0253° / 40°0.17
53 °
Corunna, Monday, 2 November
Climate normal for this date — 60-year average.
Average high53°
Average low40°
Average precipitation0.17 in
Chance of precipitation43%
Record high71° (1961)
Record low25° (2014)
Tue, 0351° / 39°0.08
51 °
Corunna, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high51°
Average low39°
Average precipitation0.08 in
Chance of precipitation30%
Record high73° (1987)
Record low23° (1991)
Wed, 0452° / 39°0.06
52 °
Corunna, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high52°
Average low39°
Average precipitation0.06 in
Chance of precipitation27%
Record high73° (2015)
Record low20° (1991)
Thu, 0551° / 39°0.12
51 °
Corunna, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high51°
Average low39°
Average precipitation0.12 in
Chance of precipitation32%
Record high72° (1978)
Record low20° (1991)
Fri, 0651° / 37°0.08
51 °
Corunna, Friday, 6 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.08 in
Chance of precipitation32%
Record high72° (1975)
Record low25° (1991)
Sat, 0749° / 37°0.07
49 °
Corunna, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high49°
Average low37°
Average precipitation0.07 in
Chance of precipitation22%
Record high68° (2020)
Record low22° (1991)
Sun, 0849° / 37°0.03
49 °
Corunna, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high49°
Average low37°
Average precipitation0.03 in
Chance of precipitation23%
Record high72° (2020)
Record low18° (1991)
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 Corunna, 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 Corunna, 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.