As of 23:27 CDT

Weather in Delavan Lake, WI

52°

Delavan Lake, Saturday, 31 October, 23:27

Overcast. Feels like 51°. High 60°, low 51°.

Pressure30.33 inHg

Wind7.4 mph SE

Humidity86%

Visibility6.2 mi

Dew point48°

See detailed hourly forecast

Monthly outlook for Delavan Lake, WI: average high 53.7°, average low 43.7°. That is 2.8° above the climate normal for October. Precipitation is expected on 6 days (about 1.5 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 3 November (69.4°), the coolest 15 November (31.7°).

53.7°/43.7°

Average high / low

+2.8°

Above normal

6 / 4

Wet days / normal

1.5 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
31 October – 9 November	56.7°	50.7°	+3.3°
10 November – 19 November	48.7°	45.2°	+1.9°
20 November – 29 November	at normal	40.8°	—

October records over 66 years

85.3°3 October 2025All-time high

21.2°30 October 1988All-time low

Climate normals and records are computed from the nearest reference point — Darien (5 mi).

Sun, 0167° / 52°

67 °

Delavan Lake, Sunday, 1 November

Overcast. High 67°, low 52°.

Pressure30.33 inHg

Wind4.1 mph SE

Humidity61%

Visibility6.2 mi

Dew point51°

Mon, 0261° / 54°

0.37

61 °

Delavan Lake, Monday, 2 November

Rain. High 61°, low 54°.

Pressure30.06 inHg

Wind12.9 mph S

Humidity82%

Visibility6.2 mi

Dew point52°

Tue, 0369° / 61°

0.48

69 °

Delavan Lake, Tuesday, 3 November

Rain. High 69°, low 61°.

Pressure29.80 inHg

Wind15.6 mph S

Humidity77%

Visibility6.2 mi

Dew point60°

Wed, 0463° / 54°

0.26

63 °

Delavan Lake, Wednesday, 4 November

Rain. High 63°, low 54°.

Pressure29.65 inHg

Wind10.8 mph SW

Humidity76%

Visibility6.2 mi

Dew point51°

Thu, 0552° / 49°

0.07

52 °

Delavan Lake, Thursday, 5 November

Light rain. High 52°, low 49°.

Pressure29.65 inHg

Wind11.1 mph SW

Humidity82%

Visibility—

Dew point46°

Fri, 0648° / 44°

0.24

48 °

Delavan Lake, Friday, 6 November

Light rain. High 48°, low 44°.

Pressure29.91 inHg

Wind13.4 mph NW

Humidity71%

Visibility—

Dew point38°

Sat, 0752° / 38°

52 °

Delavan Lake, Saturday, 7 November

Partly cloudy. High 52°, low 38°.

Pressure29.59 inHg

Wind14.3 mph NW

Humidity59%

Visibility—

Dew point36°

Sun, 0846° / 39°

0.01

46 °

Delavan Lake, Sunday, 8 November

Light rain. High 46°, low 39°.

Pressure29.62 inHg

Wind15.5 mph W

Humidity81%

Visibility—

Dew point35°

Mon, 0947° / 36°

47 °

Delavan Lake, Monday, 9 November

Clear. High 47°, low 36°.

Pressure29.83 inHg

Wind18.5 mph NW

Humidity48%

Visibility—

Dew point25°

Tue, 1045° / 36°

45 °

Delavan Lake, Tuesday, 10 November

Clear. High 45°, low 36°.

Pressure30.03 inHg

Wind19.5 mph NW

Humidity62%

Visibility—

Dew point32°

Wed, 1147° / 34°

47 °

Delavan Lake, Wednesday, 11 November

Clear. High 47°, low 34°.

Pressure30.12 inHg

Wind14.2 mph NW

Humidity56%

Visibility—

Dew point29°

Thu, 1247° / 36°

47 °

Delavan Lake, Thursday, 12 November

Overcast. High 47°, low 36°.

Pressure29.94 inHg

Wind13.8 mph S

Humidity62%

Visibility—

Dew point31°

Fri, 1357° / 44°

0.07

57 °

Delavan Lake, Friday, 13 November

Light rain. High 57°, low 44°.

Pressure29.71 inHg

Wind13.9 mph S

Humidity66%

Visibility—

Dew point43°

Sat, 1449° / 39°

49 °

Delavan Lake, Saturday, 14 November

Overcast. High 49°, low 39°.

Pressure29.91 inHg

Wind17.3 mph N

Humidity57%

Visibility—

Dew point34°

Sun, 1547° / 32°

47 °

Delavan Lake, Sunday, 15 November

Mostly clear. High 47°, low 32°.

Pressure30.15 inHg

Wind11.2 mph N

Humidity59%

Visibility—

Dew point29°

From day 17 onward the outlook is built from 60-year climate statistics

Mon, 1645° / 32°

0.05

45 °

Delavan Lake, Monday, 16 November

Climate normal for this date — 60-year average.

Average high45°

Average low32°

Average precipitation0.05 in

Chance of precipitation17%

Record high62° (1988)

Record low18° (1997)

Tue, 1746° / 33°

0.1

46 °

Delavan Lake, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high46°

Average low33°

Average precipitation0.1 in

Chance of precipitation27%

Record high69° (2016)

Record low14° (2014)

Wed, 1846° / 33°

0.09

46 °

Delavan Lake, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high46°

Average low33°

Average precipitation0.09 in

Chance of precipitation28%

Record high65° (1999)

Record low11° (2014)

Thu, 1945° / 32°

0.06

45 °

Delavan Lake, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high45°

Average low32°

Average precipitation0.06 in

Chance of precipitation22%

Record high62° (1983)

Record low15° (1986)

Fri, 2044° / 32°

0.07

44 °

Delavan Lake, Friday, 20 November

Climate normal for this date — 60-year average.

Average high44°

Average low32°

Average precipitation0.07 in

Chance of precipitation32%

Record high62° (1982)

Record low11° (2022)

Sat, 2142° / 29°

0.09

42 °

Delavan Lake, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high42°

Average low29°

Average precipitation0.09 in

Chance of precipitation25%

Record high64° (1990)

Record low9° (1964)

Sun, 2242° / 29°

0.03

42 °

Delavan Lake, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high42°

Average low29°

Average precipitation0.03 in

Chance of precipitation15%

Record high64° (2010)

Record low3° (2015)

Mon, 2342° / 30°

0.07

42 °

Delavan Lake, Monday, 23 November

Climate normal for this date — 60-year average.

Average high42°

Average low30°

Average precipitation0.07 in

Chance of precipitation30%

Record high62° (2003)

Record low10° (1989)

Tue, 2441° / 29°

0.07

41 °

Delavan Lake, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high41°

Average low29°

Average precipitation0.07 in

Chance of precipitation27%

Record high60° (1966)

Record low10° (1985)

Wed, 2541° / 29°

0.07

41 °

Delavan Lake, Wednesday, 25 November

Climate normal for this date — 60-year average.

Average high41°

Average low29°

Average precipitation0.07 in

Chance of precipitation30%

Record high58° (1966)

Record low11° (1977)

Thu, 2641° / 29°

0.11

41 °

Delavan Lake, Thursday, 26 November

Climate normal for this date — 60-year average.

Average high41°

Average low29°

Average precipitation0.11 in

Chance of precipitation40%

Record high62° (1990)

Record low1° (1977)

Fri, 2740° / 28°

0.18

40 °

Delavan Lake, Friday, 27 November

Climate normal for this date — 60-year average.

Average high40°

Average low28°

Average precipitation0.18 in

Chance of precipitation48%

Record high64° (1990)

Record low7° (1977)

Sat, 2838° / 26°

0.1

38 °

Delavan Lake, Saturday, 28 November

Climate normal for this date — 60-year average.

Average high38°

Average low26°

Average precipitation0.1 in

Chance of precipitation32%

Record high62° (1990)

Record low5° (2018)

Sun, 2938° / 26°

0.07

38 °

Delavan Lake, Sunday, 29 November

Climate normal for this date — 60-year average.

Average high38°

Average low26°

Average precipitation0.07 in

Chance of precipitation33%

Record high64° (1998)

Record low3° (1995)

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 Delavan Lake, 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 Delavan Lake, 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.