Monthly outlook for Grafton, MI: average high 59.2°, average low 44.7°. That is 3.5° above the climate normal for October. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 29 October (69.9°), the coolest 5 November (32.5°).
59.2°/44.7°
Average high / low
+3.5°
Above normal
4 / 5
Wet days / normal
1.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
24 October – 2 November
63°
54.1°
+4.9°
3 November – 12 November
52.9°
49.8°
+1.7°
13 November – 22 November
at normal
45.3°
—
October records over 66 years
84.6°1 October 2019All-time high
29.7°31 October 2023All-time low
Climate normals and records are computed from the nearest reference point — Stony Point (9 mi).
Sun, 2567° / 40°0
67 °
Grafton, Sunday, 25 October
Overcast. High 67°, low 40°.
Pressure30.47 inHg
Wind3 mph S
Humidity68%
Visibility6.2 mi
Dew point50°
Mon, 2668° / 43°0
68 °
Grafton, Monday, 26 October
Partly cloudy. High 68°, low 43°.
Pressure30.36 inHg
Wind2.6 mph NW
Humidity65%
Visibility6.2 mi
Dew point51°
Tue, 2758° / 50°0
58 °
Grafton, Tuesday, 27 October
Overcast. High 58°, low 50°.
Pressure30.39 inHg
Wind6.3 mph E
Humidity64%
Visibility6.2 mi
Dew point43°
Wed, 2865° / 48°0
65 °
Grafton, Wednesday, 28 October
Clear. High 65°, low 48°.
Pressure30.30 inHg
Wind5.6 mph SE
Humidity70%
Visibility6.2 mi
Dew point51°
Thu, 2970° / 49°0
70 °
Grafton, Thursday, 29 October
Partly cloudy. High 70°, low 49°.
Pressure30.12 inHg
Wind10.8 mph SW
Humidity51%
Visibility—
Dew point48°
Fri, 3061° / 49°0
61 °
Grafton, Friday, 30 October
Light rain. High 61°, low 49°.
Pressure30.27 inHg
Wind12.1 mph NE
Humidity42%
Visibility—
Dew point37°
Sat, 3156° / 43°0
56 °
Grafton, Saturday, 31 October
Overcast. High 56°, low 43°.
Pressure30.39 inHg
Wind12.8 mph SE
Humidity61%
Visibility—
Dew point41°
Sun, 0164° / 49°0
64 °
Grafton, Sunday, 1 November
Overcast. High 64°, low 49°.
Pressure30.09 inHg
Wind12.8 mph SE
Humidity53%
Visibility—
Dew point39°
Mon, 0257° / 53°1
57 °
Grafton, Monday, 2 November
Rain. High 57°, low 53°.
Pressure29.77 inHg
Wind17.2 mph S
Humidity93%
Visibility—
Dew point53°
Tue, 0350° / 40°0.12
50 °
Grafton, Tuesday, 3 November
Light rain. High 50°, low 40°.
Pressure29.94 inHg
Wind18.5 mph NW
Humidity48%
Visibility—
Dew point30°
Wed, 0447° / 33°0
47 °
Grafton, Wednesday, 4 November
Partly cloudy. High 47°, low 33°.
Pressure30.12 inHg
Wind12.9 mph NW
Humidity43%
Visibility—
Dew point23°
Thu, 0549° / 32°0
49 °
Grafton, Thursday, 5 November
Overcast. High 49°, low 32°.
Pressure30.39 inHg
Wind10 mph S
Humidity40%
Visibility—
Dew point22°
Fri, 0653° / 45°0.06
53 °
Grafton, Friday, 6 November
Light rain. High 53°, low 45°.
Pressure30.21 inHg
Wind15.1 mph SW
Humidity63%
Visibility—
Dew point37°
Sat, 0761° / 51°0.03
61 °
Grafton, Saturday, 7 November
Light rain. High 61°, low 51°.
Pressure30.12 inHg
Wind15.5 mph SW
Humidity42%
Visibility—
Dew point36°
Sun, 0858° / 49°0.22
58 °
Grafton, Sunday, 8 November
Light rain. High 58°, low 49°.
Pressure29.71 inHg
Wind21.1 mph NW
Humidity78%
Visibility—
Dew point48°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 0950° / 41°0.13
50 °
Grafton, Monday, 9 November
Climate normal for this date — 60-year average.
Average high50°
Average low41°
Average precipitation0.13 in
Chance of precipitation35%
Record high69° (2020)
Record low24° (1991)
Tue, 1050° / 40°0.13
50 °
Grafton, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.13 in
Chance of precipitation32%
Record high71° (2020)
Record low21° (2017)
Wed, 1147° / 38°0.14
47 °
Grafton, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high47°
Average low38°
Average precipitation0.14 in
Chance of precipitation38%
Record high66° (2020)
Record low24° (2025)
Thu, 1246° / 37°0.08
46 °
Grafton, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.08 in
Chance of precipitation25%
Record high66° (1964)
Record low17° (2019)
Fri, 1346° / 37°0.07
46 °
Grafton, Friday, 13 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.07 in
Chance of precipitation18%
Record high61° (2005)
Record low8° (2019)
Sat, 1446° / 37°0.13
46 °
Grafton, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.13 in
Chance of precipitation32%
Record high59° (1994)
Record low19° (1986)
Sun, 1546° / 38°0.17
46 °
Grafton, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high46°
Average low38°
Average precipitation0.17 in
Chance of precipitation37%
Record high65° (2025)
Record low23° (1969)
Mon, 1645° / 36°0.09
45 °
Grafton, Monday, 16 November
Climate normal for this date — 60-year average.
Average high45°
Average low36°
Average precipitation0.09 in
Chance of precipitation32%
Record high60° (1988)
Record low24° (1997)
Tue, 1745° / 37°0.1
45 °
Grafton, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high45°
Average low37°
Average precipitation0.1 in
Chance of precipitation35%
Record high60° (2021)
Record low22° (2014)
Wed, 1846° / 37°0.12
46 °
Grafton, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.12 in
Chance of precipitation27%
Record high63° (2016)
Record low17° (2014)
Thu, 1946° / 37°0.09
46 °
Grafton, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high46°
Average low37°
Average precipitation0.09 in
Chance of precipitation38%
Record high62° (1985)
Record low16° (2014)
Fri, 2045° / 36°0.13
45 °
Grafton, Friday, 20 November
Climate normal for this date — 60-year average.
Average high45°
Average low36°
Average precipitation0.13 in
Chance of precipitation35%
Record high64° (1985)
Record low21° (2022)
Sat, 2144° / 35°0.09
44 °
Grafton, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high44°
Average low35°
Average precipitation0.09 in
Chance of precipitation32%
Record high56° (1994)
Record low17° (2014)
Sun, 2243° / 34°0.12
43 °
Grafton, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high43°
Average low34°
Average precipitation0.12 in
Chance of precipitation23%
Record high60° (2010)
Record low17° (1964)
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 Grafton, 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 Grafton, 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.