Monthly outlook for Hannah, MI: average high 57°, average low 45.9°. That is 1.4° above the climate normal for October. Precipitation is expected on 6 days (about 2.2 inches), against a normal of 7 days and 1.9 inches. The warmest day looks like 12 October (74.4°), the coolest 25 October (33.4°).
57°/45.9°
Average high / low
+1.4°
Above normal
6 / 7
Wet days / normal
2.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
62.6°
55.3°
+4.1°
22 October – 31 October
47.7°
52.3°
-2.5°
1 November – 10 November
at normal
47.8°
—
October records over 66 years
84.6°3 October 2025All-time high
28.9°18 October 1972All-time low
Climate normals and records are computed from the nearest reference point — Greilickville (15 mi).
Tue, 1371° / 59°0.13
71 °
Hannah, Tuesday, 13 October
Rain. High 71°, low 59°.
Pressure29.68 inHg
Wind11.2 mph W
Humidity85%
Visibility6.2 mi
Dew point63°
Wed, 1459° / 54°0
59 °
Hannah, Wednesday, 14 October
Overcast. High 59°, low 54°.
Pressure30.09 inHg
Wind9.3 mph N
Humidity64%
Visibility6.2 mi
Dew point47°
Thu, 1557° / 48°0.32
57 °
Hannah, Thursday, 15 October
Rain. High 57°, low 48°.
Pressure30.21 inHg
Wind4.5 mph SE
Humidity72%
Visibility6.2 mi
Dew point44°
Fri, 1653° / 47°0.36
53 °
Hannah, Friday, 16 October
Rain. High 53°, low 47°.
Pressure30.21 inHg
Wind24.5 mph N
Humidity69%
Visibility—
Dew point39°
Sat, 1753° / 40°0
53 °
Hannah, Saturday, 17 October
Clear. High 53°, low 40°.
Pressure30.39 inHg
Wind14.4 mph SW
Humidity44%
Visibility—
Dew point30°
Sun, 1857° / 41°0
57 °
Hannah, Sunday, 18 October
Partly cloudy. High 57°, low 41°.
Pressure30.18 inHg
Wind21.4 mph SW
Humidity39%
Visibility—
Dew point31°
Mon, 1963° / 49°0
63 °
Hannah, Monday, 19 October
Partly cloudy. High 63°, low 49°.
Pressure30.21 inHg
Wind14.9 mph SW
Humidity35%
Visibility—
Dew point33°
Tue, 2067° / 49°0
67 °
Hannah, Tuesday, 20 October
Overcast. High 67°, low 49°.
Pressure30.21 inHg
Wind8.7 mph S
Humidity50%
Visibility—
Dew point45°
Wed, 2172° / 55°0
72 °
Hannah, Wednesday, 21 October
Overcast. High 72°, low 55°.
Pressure30.03 inHg
Wind16.3 mph S
Humidity49%
Visibility—
Dew point49°
Thu, 2261° / 47°1.24
61 °
Hannah, Thursday, 22 October
Rain. High 61°, low 47°.
Pressure29.50 inHg
Wind18.9 mph S
Humidity88%
Visibility—
Dew point56°
Fri, 2344° / 42°0.1
44 °
Hannah, Friday, 23 October
Light rain. High 44°, low 42°.
Pressure29.83 inHg
Wind12.4 mph W
Humidity69%
Visibility—
Dew point34°
Sat, 2446° / 36°0.01
46 °
Hannah, Saturday, 24 October
Light rain. High 46°, low 36°.
Pressure30.09 inHg
Wind13.5 mph NW
Humidity48%
Visibility—
Dew point26°
Sun, 2544° / 33°0
44 °
Hannah, Sunday, 25 October
Overcast. High 44°, low 33°.
Pressure29.91 inHg
Wind5.3 mph N
Humidity34%
Visibility—
Dew point16°
Mon, 2648° / 36°0
48 °
Hannah, Monday, 26 October
Overcast. High 48°, low 36°.
Pressure29.97 inHg
Wind6.7 mph N
Humidity64%
Visibility—
Dew point34°
Tue, 2743° / 42°0.04
43 °
Hannah, Tuesday, 27 October
Light rain. High 43°, low 42°.
Pressure29.91 inHg
Wind8.4 mph NW
Humidity77%
Visibility—
Dew point36°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2851° / 42°0.07
51 °
Hannah, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high51°
Average low42°
Average precipitation0.07 in
Chance of precipitation33%
Record high66° (1989)
Record low31° (1965)
Thu, 2950° / 41°0.06
50 °
Hannah, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high50°
Average low41°
Average precipitation0.06 in
Chance of precipitation33%
Record high74° (2024)
Record low31° (1965)
Fri, 3052° / 41°0.09
52 °
Hannah, Friday, 30 October
Climate normal for this date — 60-year average.
Average high52°
Average low41°
Average precipitation0.09 in
Chance of precipitation32%
Record high71° (2024)
Record low32° (1988)
Sat, 3152° / 41°0.12
52 °
Hannah, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high52°
Average low41°
Average precipitation0.12 in
Chance of precipitation42%
Record high67° (1979)
Record low29° (2020)
Sun, 0150° / 41°0.12
50 °
Hannah, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high50°
Average low41°
Average precipitation0.12 in
Chance of precipitation47%
Record high67° (1990)
Record low32° (1976)
Mon, 0249° / 40°0.15
49 °
Hannah, Monday, 2 November
Climate normal for this date — 60-year average.
Average high49°
Average low40°
Average precipitation0.15 in
Chance of precipitation40%
Record high68° (1961)
Record low26° (1991)
Tue, 0348° / 40°0.09
48 °
Hannah, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high48°
Average low40°
Average precipitation0.09 in
Chance of precipitation47%
Record high69° (1961)
Record low24° (1991)
Wed, 0448° / 40°0.1
48 °
Hannah, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high48°
Average low40°
Average precipitation0.1 in
Chance of precipitation45%
Record high67° (1964)
Record low25° (1991)
Thu, 0548° / 40°0.14
48 °
Hannah, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high48°
Average low40°
Average precipitation0.14 in
Chance of precipitation42%
Record high66° (2015)
Record low25° (1991)
Fri, 0648° / 38°0.13
48 °
Hannah, Friday, 6 November
Climate normal for this date — 60-year average.
Average high48°
Average low38°
Average precipitation0.13 in
Chance of precipitation38%
Record high67° (2008)
Record low22° (1991)
Sat, 0747° / 38°0.06
47 °
Hannah, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high47°
Average low38°
Average precipitation0.06 in
Chance of precipitation35%
Record high67° (2020)
Record low22° (1991)
Sun, 0847° / 37°0.08
47 °
Hannah, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high47°
Average low37°
Average precipitation0.08 in
Chance of precipitation40%
Record high70° (2020)
Record low24° (1991)
Mon, 0946° / 37°0.11
46 °
Hannah, Monday, 9 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.11 in
Chance of precipitation48%
Record high72° (2020)
Record low21° (2017)
Tue, 1046° / 37°0.13
46 °
Hannah, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.13 in
Chance of precipitation52%
Record high70° (2022)
Record low18° (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 Hannah, 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 Hannah, 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.