Monthly outlook for Lake Ivanhoe, WI: average high 61.4°, average low 47.5°. That is 4.5° above the climate normal for October. Precipitation is expected on 4 days (about 2.2 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 23 October (71.1°), the coolest 4 November (37.3°).
61.4°/47.5°
Average high / low
+4.5°
Above normal
4 / 5
Wet days / normal
2.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
23 October – 1 November
63.1°
54.8°
+4.6°
2 November – 11 November
58.7°
49.8°
+4.9°
12 November – 21 November
at normal
45°
—
October records over 66 years
85.3°3 October 2025All-time high
25°30 October 1988All-time low
Climate normals and records are computed from the nearest reference point — New Munster (6 mi).
Sat, 2468° / 47°0
68 °
Lake Ivanhoe, Saturday, 24 October
Overcast. High 68°, low 47°.
Pressure30.36 inHg
Wind7.1 mph S
Humidity64%
Visibility6.2 mi
Dew point50°
Sun, 2570° / 47°0.02
70 °
Lake Ivanhoe, Sunday, 25 October
Light rain. High 70°, low 47°.
Pressure30.39 inHg
Wind6.7 mph SW
Humidity59%
Visibility6.2 mi
Dew point51°
Mon, 2660° / 49°0
60 °
Lake Ivanhoe, Monday, 26 October
Overcast. High 60°, low 49°.
Pressure30.39 inHg
Wind8.9 mph NE
Humidity68%
Visibility6.2 mi
Dew point49°
Tue, 2761° / 50°0
61 °
Lake Ivanhoe, Tuesday, 27 October
Overcast. High 61°, low 50°.
Pressure30.30 inHg
Wind8.6 mph E
Humidity74%
Visibility6.2 mi
Dew point50°
Wed, 2865° / 54°0.02
65 °
Lake Ivanhoe, Wednesday, 28 October
Light rain. High 65°, low 54°.
Pressure30.03 inHg
Wind13.1 mph S
Humidity60%
Visibility—
Dew point50°
Thu, 2962° / 49°0.19
62 °
Lake Ivanhoe, Thursday, 29 October
Rain. High 62°, low 49°.
Pressure30.12 inHg
Wind12.8 mph W
Humidity100%
Visibility—
Dew point54°
Fri, 3057° / 45°0
57 °
Lake Ivanhoe, Friday, 30 October
Overcast. High 57°, low 45°.
Pressure30.21 inHg
Wind7.6 mph N
Humidity62%
Visibility—
Dew point42°
Sat, 3155° / 48°0.28
55 °
Lake Ivanhoe, Saturday, 31 October
Rain. High 55°, low 48°.
Pressure30.12 inHg
Wind12.6 mph S
Humidity93%
Visibility—
Dew point52°
Sun, 0162° / 54°0.04
62 °
Lake Ivanhoe, Sunday, 1 November
Light rain. High 62°, low 54°.
Pressure30.15 inHg
Wind9.7 mph SW
Humidity69%
Visibility—
Dew point50°
Mon, 0256° / 53°1.09
56 °
Lake Ivanhoe, Monday, 2 November
Rain. High 56°, low 53°.
Pressure30.06 inHg
Wind17 mph E
Humidity97%
Visibility—
Dew point54°
Tue, 0363° / 44°0.56
63 °
Lake Ivanhoe, Tuesday, 3 November
Rain. High 63°, low 44°.
Pressure29.71 inHg
Wind18.5 mph NW
Humidity96%
Visibility—
Dew point57°
Wed, 0452° / 37°0.01
52 °
Lake Ivanhoe, Wednesday, 4 November
Light rain. High 52°, low 37°.
Pressure30.33 inHg
Wind19.6 mph NW
Humidity44%
Visibility—
Dew point28°
Thu, 0558° / 43°0
58 °
Lake Ivanhoe, Thursday, 5 November
Clear. High 58°, low 43°.
Pressure29.94 inHg
Wind19.3 mph W
Humidity51%
Visibility—
Dew point37°
Fri, 0662° / 45°0
62 °
Lake Ivanhoe, Friday, 6 November
Mostly clear. High 62°, low 45°.
Pressure29.91 inHg
Wind7.5 mph SW
Humidity53%
Visibility—
Dew point42°
Sat, 0762° / 48°0
62 °
Lake Ivanhoe, Saturday, 7 November
Light rain. High 62°, low 48°.
Pressure30.00 inHg
Wind11.6 mph SE
Humidity66%
Visibility—
Dew point49°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 0849° / 38°0.04
49 °
Lake Ivanhoe, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high49°
Average low38°
Average precipitation0.04 in
Chance of precipitation17%
Record high70° (2020)
Record low14° (1991)
Mon, 0949° / 38°0.1
49 °
Lake Ivanhoe, Monday, 9 November
Climate normal for this date — 60-year average.
Average high49°
Average low38°
Average precipitation0.1 in
Chance of precipitation30%
Record high72° (2020)
Record low20° (1991)
Tue, 1048° / 37°0.1
48 °
Lake Ivanhoe, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high48°
Average low37°
Average precipitation0.1 in
Chance of precipitation37%
Record high72° (2022)
Record low16° (2017)
Wed, 1146° / 34°0.06
46 °
Lake Ivanhoe, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high46°
Average low34°
Average precipitation0.06 in
Chance of precipitation28%
Record high68° (1964)
Record low14° (2019)
Thu, 1244° / 33°0.06
44 °
Lake Ivanhoe, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high44°
Average low33°
Average precipitation0.06 in
Chance of precipitation20%
Record high63° (1964)
Record low5° (2019)
Fri, 1345° / 33°0.04
45 °
Lake Ivanhoe, Friday, 13 November
Climate normal for this date — 60-year average.
Average high45°
Average low33°
Average precipitation0.04 in
Chance of precipitation20%
Record high67° (1999)
Record low8° (2019)
Sat, 1446° / 33°0.06
46 °
Lake Ivanhoe, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high46°
Average low33°
Average precipitation0.06 in
Chance of precipitation25%
Record high66° (1971)
Record low13° (2019)
Sun, 1545° / 34°0.07
45 °
Lake Ivanhoe, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high45°
Average low34°
Average precipitation0.07 in
Chance of precipitation25%
Record high69° (2025)
Record low17° (2019)
Mon, 1645° / 34°0.04
45 °
Lake Ivanhoe, Monday, 16 November
Climate normal for this date — 60-year average.
Average high45°
Average low34°
Average precipitation0.04 in
Chance of precipitation15%
Record high62° (1988)
Record low21° (1997)
Tue, 1746° / 34°0.09
46 °
Lake Ivanhoe, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high46°
Average low34°
Average precipitation0.09 in
Chance of precipitation25%
Record high68° (2016)
Record low15° (2014)
Wed, 1846° / 35°0.09
46 °
Lake Ivanhoe, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high46°
Average low35°
Average precipitation0.09 in
Chance of precipitation27%
Record high65° (1975)
Record low12° (2014)
Thu, 1945° / 34°0.06
45 °
Lake Ivanhoe, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high45°
Average low34°
Average precipitation0.06 in
Chance of precipitation27%
Record high62° (1983)
Record low17° (2014)
Fri, 2044° / 33°0.07
44 °
Lake Ivanhoe, Friday, 20 November
Climate normal for this date — 60-year average.
Average high44°
Average low33°
Average precipitation0.07 in
Chance of precipitation28%
Record high62° (2003)
Record low13° (2022)
Sat, 2143° / 31°0.09
43 °
Lake Ivanhoe, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high43°
Average low31°
Average precipitation0.09 in
Chance of precipitation23%
Record high64° (1990)
Record low10° (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 Lake Ivanhoe, 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 Lake Ivanhoe, 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.