Monthly outlook for Mequon, WI: average high 63.3°, average low 48.1°. That is 4.9° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 1 November (74.4°), the coolest 26 October (37.7°).
63.3°/48.1°
Average high / low
+4.9°
Above normal
1 / 5
Wet days / normal
0.1 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
18 October – 27 October
61.4°
55.5°
+3.3°
28 October – 6 November
66.5°
51.5°
+8.3°
7 November – 16 November
at normal
46.1°
—
October records over 66 years
86.5°3 October 2025All-time high
26.1°31 October 2019All-time low
Climate normals and records are computed from the nearest reference point — Thiensville (0 mi).
Mon, 1960° / 46°0
60 °
Mequon, Monday, 19 October
Partly cloudy. High 60°, low 46°.
Pressure30.39 inHg
Wind3.7 mph W
Humidity58%
Visibility6.2 mi
Dew point46°
Tue, 2061° / 41°0
61 °
Mequon, Tuesday, 20 October
Clear. High 61°, low 41°.
Pressure30.42 inHg
Wind4.7 mph SE
Humidity71%
Visibility6.2 mi
Dew point51°
Wed, 2166° / 44°0
66 °
Mequon, Wednesday, 21 October
Clear. High 66°, low 44°.
Pressure30.27 inHg
Wind6 mph SW
Humidity51%
Visibility6.2 mi
Dew point46°
Thu, 2263° / 49°0
63 °
Mequon, Thursday, 22 October
Overcast. High 63°, low 49°.
Pressure30.33 inHg
Wind8.9 mph NE
Humidity73%
Visibility—
Dew point53°
Fri, 2359° / 46°0
59 °
Mequon, Friday, 23 October
Mostly clear. High 59°, low 46°.
Pressure30.42 inHg
Wind9.3 mph SE
Humidity65%
Visibility—
Dew point46°
Sat, 2470° / 57°0
70 °
Mequon, Saturday, 24 October
Overcast. High 70°, low 57°.
Pressure30.15 inHg
Wind15.1 mph S
Humidity42%
Visibility—
Dew point42°
Sun, 2557° / 42°0
57 °
Mequon, Sunday, 25 October
Light rain. High 57°, low 42°.
Pressure30.39 inHg
Wind14.1 mph NW
Humidity29%
Visibility—
Dew point21°
Mon, 2656° / 38°0
56 °
Mequon, Monday, 26 October
Clear. High 56°, low 38°.
Pressure30.33 inHg
Wind10.2 mph SW
Humidity26%
Visibility—
Dew point18°
Tue, 2759° / 46°0
59 °
Mequon, Tuesday, 27 October
Clear. High 59°, low 46°.
Pressure30.15 inHg
Wind9.9 mph SW
Humidity56%
Visibility—
Dew point42°
Wed, 2862° / 52°0
62 °
Mequon, Wednesday, 28 October
Overcast. High 62°, low 52°.
Pressure29.94 inHg
Wind13 mph SW
Humidity62%
Visibility—
Dew point47°
Thu, 2964° / 52°0
64 °
Mequon, Thursday, 29 October
Overcast. High 64°, low 52°.
Pressure29.74 inHg
Wind11.6 mph SW
Humidity39%
Visibility—
Dew point37°
Fri, 3068° / 47°0
68 °
Mequon, Friday, 30 October
Overcast. High 68°, low 47°.
Pressure29.71 inHg
Wind15.8 mph SW
Humidity63%
Visibility—
Dew point50°
Sat, 3170° / 56°0.07
70 °
Mequon, Saturday, 31 October
Light rain. High 70°, low 56°.
Pressure29.68 inHg
Wind13.5 mph SW
Humidity63%
Visibility—
Dew point53°
Sun, 0174° / 60°0
74 °
Mequon, Sunday, 1 November
Overcast. High 74°, low 60°.
Pressure29.83 inHg
Wind14.2 mph SW
Humidity44%
Visibility—
Dew point48°
Mon, 0261° / 49°0
61 °
Mequon, Monday, 2 November
Clear. High 61°, low 49°.
Pressure30.33 inHg
Wind11.7 mph NE
Humidity47%
Visibility—
Dew point36°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 0350° / 40°0.06
50 °
Mequon, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.06 in
Chance of precipitation23%
Record high68° (2022)
Record low19° (1991)
Wed, 0450° / 41°0.09
50 °
Mequon, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high50°
Average low41°
Average precipitation0.09 in
Chance of precipitation30%
Record high69° (2022)
Record low15° (1991)
Thu, 0550° / 40°0.1
50 °
Mequon, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high50°
Average low40°
Average precipitation0.1 in
Chance of precipitation32%
Record high68° (1978)
Record low21° (1991)
Fri, 0649° / 38°0.09
49 °
Mequon, Friday, 6 November
Climate normal for this date — 60-year average.
Average high49°
Average low38°
Average precipitation0.09 in
Chance of precipitation28%
Record high70° (2020)
Record low19° (1991)
Sat, 0749° / 38°0.04
49 °
Mequon, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high49°
Average low38°
Average precipitation0.04 in
Chance of precipitation17%
Record high69° (2020)
Record low13° (1991)
Sun, 0848° / 38°0.05
48 °
Mequon, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high48°
Average low38°
Average precipitation0.05 in
Chance of precipitation23%
Record high66° (2020)
Record low11° (2019)
Mon, 0948° / 38°0.11
48 °
Mequon, Monday, 9 November
Climate normal for this date — 60-year average.
Average high48°
Average low38°
Average precipitation0.11 in
Chance of precipitation37%
Record high72° (2020)
Record low20° (2017)
Tue, 1047° / 38°0.12
47 °
Mequon, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high47°
Average low38°
Average precipitation0.12 in
Chance of precipitation40%
Record high73° (2022)
Record low15° (2017)
Wed, 1146° / 35°0.07
46 °
Mequon, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high46°
Average low35°
Average precipitation0.07 in
Chance of precipitation35%
Record high65° (1964)
Record low14° (2019)
Thu, 1244° / 34°0.06
44 °
Mequon, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high44°
Average low34°
Average precipitation0.06 in
Chance of precipitation23%
Record high62° (1964)
Record low5° (2019)
Fri, 1344° / 34°0.05
44 °
Mequon, Friday, 13 November
Climate normal for this date — 60-year average.
Average high44°
Average low34°
Average precipitation0.05 in
Chance of precipitation23%
Record high64° (1999)
Record low8° (2019)
Sat, 1445° / 34°0.04
45 °
Mequon, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high45°
Average low34°
Average precipitation0.04 in
Chance of precipitation25%
Record high62° (1971)
Record low15° (2018)
Sun, 1545° / 35°0.07
45 °
Mequon, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high45°
Average low35°
Average precipitation0.07 in
Chance of precipitation27%
Record high68° (2025)
Record low21° (1982)
Mon, 1645° / 35°0.05
45 °
Mequon, Monday, 16 November
Climate normal for this date — 60-year average.
Average high45°
Average low35°
Average precipitation0.05 in
Chance of precipitation20%
Record high61° (2023)
Record low22° (1989)
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 Mequon, WI 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 Mequon, WI 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.