Monthly outlook for Allegan, MI: average high 55.9°, average low 40.3°. That is 0.8° above the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 20 October (67.1°), the coolest 28 October (29°).
55.9°/40.3°
Average high / low
+0.8°
Above normal
3 / 6
Wet days / normal
0.7 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
20 October – 29 October
57°
55.5°
+0.8°
30 October – 8 November
54°
51.8°
+1.2°
9 November – 18 November
at normal
46.3°
—
October records over 66 years
84.6°7 October 2007All-time high
24.3°27 October 1976All-time low
Climate normals and records are computed from the nearest reference point — Gobles (12 mi).
Wed, 2166° / 38°0
66 °
Allegan, Wednesday, 21 October
Clear. High 66°, low 38°.
Pressure30.27 inHg
Wind3.6 mph SW
Humidity58%
Visibility6.2 mi
Dew point48°
Thu, 2260° / 44°0
60 °
Allegan, Thursday, 22 October
Partly cloudy. High 60°, low 44°.
Pressure30.33 inHg
Wind6.4 mph NE
Humidity81%
Visibility6.2 mi
Dew point49°
Fri, 2359° / 38°0
59 °
Allegan, Friday, 23 October
Clear. High 59°, low 38°.
Pressure30.45 inHg
Wind4.9 mph SE
Humidity63%
Visibility6.2 mi
Dew point39°
Sat, 2461° / 39°0
61 °
Allegan, Saturday, 24 October
Clear. High 61°, low 39°.
Pressure30.45 inHg
Wind7.4 mph S
Humidity47%
Visibility—
Dew point37°
Sun, 2564° / 43°0
64 °
Allegan, Sunday, 25 October
Light rain. High 64°, low 43°.
Pressure30.39 inHg
Wind7.6 mph SW
Humidity48%
Visibility—
Dew point41°
Mon, 2660° / 45°0
60 °
Allegan, Monday, 26 October
Overcast. High 60°, low 45°.
Pressure30.30 inHg
Wind8.9 mph NW
Humidity31%
Visibility—
Dew point27°
Tue, 2745° / 35°0.21
45 °
Allegan, Tuesday, 27 October
Light rain. High 45°, low 35°.
Pressure30.18 inHg
Wind13.6 mph NW
Humidity94%
Visibility—
Dew point39°
Wed, 2841° / 29°0
41 °
Allegan, Wednesday, 28 October
Overcast. High 41°, low 29°.
Pressure30.36 inHg
Wind13.4 mph NW
Humidity50%
Visibility—
Dew point22°
Thu, 2947° / 36°0
47 °
Allegan, Thursday, 29 October
Clear. High 47°, low 36°.
Pressure30.15 inHg
Wind15.1 mph W
Humidity36%
Visibility—
Dew point20°
Fri, 3052° / 36°0
52 °
Allegan, Friday, 30 October
Clear. High 52°, low 36°.
Pressure30.09 inHg
Wind13.6 mph W
Humidity45%
Visibility—
Dew point29°
Sat, 3158° / 40°0
58 °
Allegan, Saturday, 31 October
Overcast. High 58°, low 40°.
Pressure30.21 inHg
Wind8.1 mph S
Humidity34%
Visibility—
Dew point25°
Sun, 0158° / 47°0
58 °
Allegan, Sunday, 1 November
Overcast. High 58°, low 47°.
Pressure30.15 inHg
Wind11 mph S
Humidity34%
Visibility—
Dew point29°
Mon, 0251° / 49°0.37
51 °
Allegan, Monday, 2 November
Rain. High 51°, low 49°.
Pressure29.94 inHg
Wind7.2 mph SE
Humidity96%
Visibility—
Dew point50°
Tue, 0351° / 47°0.07
51 °
Allegan, Tuesday, 3 November
Light rain. High 51°, low 47°.
Pressure29.83 inHg
Wind14.9 mph NW
Humidity90%
Visibility—
Dew point46°
Wed, 0454° / 40°0
54 °
Allegan, Wednesday, 4 November
Clear. High 54°, low 40°.
Pressure30.09 inHg
Wind10 mph NW
Humidity51%
Visibility—
Dew point34°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 0551° / 40°0.13
51 °
Allegan, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high51°
Average low40°
Average precipitation0.13 in
Chance of precipitation33%
Record high71° (1978)
Record low19° (1991)
Fri, 0651° / 38°0.09
51 °
Allegan, Friday, 6 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.09 in
Chance of precipitation38%
Record high72° (1975)
Record low26° (1991)
Sat, 0749° / 38°0.06
49 °
Allegan, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high49°
Average low38°
Average precipitation0.06 in
Chance of precipitation30%
Record high68° (2020)
Record low22° (1991)
Sun, 0849° / 38°0.05
49 °
Allegan, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high49°
Average low38°
Average precipitation0.05 in
Chance of precipitation30%
Record high72° (2020)
Record low19° (1967)
Mon, 0950° / 38°0.12
50 °
Allegan, Monday, 9 November
Climate normal for this date — 60-year average.
Average high50°
Average low38°
Average precipitation0.12 in
Chance of precipitation42%
Record high75° (2020)
Record low19° (1991)
Tue, 1049° / 37°0.14
49 °
Allegan, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high49°
Average low37°
Average precipitation0.14 in
Chance of precipitation53%
Record high72° (2020)
Record low20° (1991)
Wed, 1147° / 35°0.1
47 °
Allegan, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.1 in
Chance of precipitation48%
Record high67° (1964)
Record low22° (2019)
Thu, 1245° / 34°0.09
45 °
Allegan, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high45°
Average low34°
Average precipitation0.09 in
Chance of precipitation33%
Record high67° (1964)
Record low17° (2019)
Fri, 1345° / 34°0.07
45 °
Allegan, Friday, 13 November
Climate normal for this date — 60-year average.
Average high45°
Average low34°
Average precipitation0.07 in
Chance of precipitation35%
Record high64° (1989)
Record low8° (2019)
Sat, 1446° / 34°0.08
46 °
Allegan, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high46°
Average low34°
Average precipitation0.08 in
Chance of precipitation38%
Record high65° (1971)
Record low11° (1986)
Sun, 1545° / 35°0.11
45 °
Allegan, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high45°
Average low35°
Average precipitation0.11 in
Chance of precipitation45%
Record high63° (1990)
Record low17° (1996)
Mon, 1645° / 34°0.07
45 °
Allegan, Monday, 16 November
Climate normal for this date — 60-year average.
Average high45°
Average low34°
Average precipitation0.07 in
Chance of precipitation30%
Record high63° (1988)
Record low20° (1972)
Tue, 1746° / 35°0.09
46 °
Allegan, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high46°
Average low35°
Average precipitation0.09 in
Chance of precipitation38%
Record high65° (1971)
Record low17° (2014)
Wed, 1846° / 35°0.12
46 °
Allegan, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high46°
Average low35°
Average precipitation0.12 in
Chance of precipitation40%
Record high67° (2016)
Record low16° (2014)
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 Allegan, 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 Allegan, 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.