Monthly outlook for DeForest, WI: average high 62.2°, average low 45.7°. That is 1.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 10 October (76.6°), the coolest 21 October (33.6°).
62.2°/45.7°
Average high / low
+1.9°
Above normal
3 / 5
Wet days / normal
0.3 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
7 October – 16 October
68.1°
60°
+4.5°
17 October – 26 October
52.3°
55.6°
-1.8°
27 October – 5 November
at normal
51.4°
—
October records over 66 years
85.1°3 October 2025All-time high
20.8°30 October 1988All-time low
Climate normals and records are computed from the nearest reference point — Windsor (3 mi).
Thu, 0868° / 48°0
68 °
DeForest, Thursday, 8 October
Partly cloudy. High 68°, low 48°.
Pressure30.12 inHg
Wind9 mph NW
Humidity43%
Visibility6.2 mi
Dew point39°
Fri, 0967° / 48°0.06
67 °
DeForest, Friday, 9 October
Rain. High 67°, low 48°.
Pressure30.12 inHg
Wind11.5 mph SE
Humidity51%
Visibility6.2 mi
Dew point48°
Sat, 1077° / 62°0
77 °
DeForest, Saturday, 10 October
Clear. High 77°, low 62°.
Pressure30.00 inHg
Wind13.1 mph S
Humidity59%
Visibility6.2 mi
Dew point59°
Sun, 1175° / 59°0
75 °
DeForest, Sunday, 11 October
Clear. High 75°, low 59°.
Pressure29.88 inHg
Wind11.8 mph S
Humidity45%
Visibility—
Dew point50°
Mon, 1273° / 55°0.16
73 °
DeForest, Monday, 12 October
Light rain. High 73°, low 55°.
Pressure29.77 inHg
Wind12.3 mph N
Humidity63%
Visibility—
Dew point58°
Tue, 1353° / 40°0
53 °
DeForest, Tuesday, 13 October
Overcast. High 53°, low 40°.
Pressure30.00 inHg
Wind18.5 mph NW
Humidity64%
Visibility—
Dew point39°
Wed, 1457° / 34°0
57 °
DeForest, Wednesday, 14 October
Overcast. High 57°, low 34°.
Pressure30.21 inHg
Wind10.6 mph SE
Humidity51%
Visibility—
Dew point34°
Thu, 1570° / 47°0.01
70 °
DeForest, Thursday, 15 October
Light rain. High 70°, low 47°.
Pressure29.83 inHg
Wind20.4 mph S
Humidity52%
Visibility—
Dew point45°
Fri, 1668° / 49°0.01
68 °
DeForest, Friday, 16 October
Light rain. High 68°, low 49°.
Pressure29.77 inHg
Wind17.1 mph W
Humidity58%
Visibility—
Dew point50°
Sat, 1751° / 45°0
51 °
DeForest, Saturday, 17 October
Overcast. High 51°, low 45°.
Pressure29.94 inHg
Wind15.4 mph W
Humidity71%
Visibility—
Dew point41°
Sun, 1844° / 40°0.04
44 °
DeForest, Sunday, 18 October
Light rain. High 44°, low 40°.
Pressure30.00 inHg
Wind13.6 mph W
Humidity90%
Visibility—
Dew point38°
Mon, 1957° / 38°0
57 °
DeForest, Monday, 19 October
Partly cloudy. High 57°, low 38°.
Pressure30.15 inHg
Wind11.2 mph W
Humidity57%
Visibility—
Dew point37°
Tue, 2059° / 39°0
59 °
DeForest, Tuesday, 20 October
Clear. High 59°, low 39°.
Pressure30.18 inHg
Wind8.1 mph NE
Humidity43%
Visibility—
Dew point33°
Wed, 2153° / 34°0
53 °
DeForest, Wednesday, 21 October
Clear. High 53°, low 34°.
Pressure30.33 inHg
Wind7.8 mph E
Humidity50%
Visibility—
Dew point31°
Thu, 2250° / 37°0
50 °
DeForest, Thursday, 22 October
Overcast. High 50°, low 37°.
Pressure30.30 inHg
Wind4.7 mph SE
Humidity60%
Visibility—
Dew point34°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 2355° / 42°0.13
55 °
DeForest, Friday, 23 October
Climate normal for this date — 60-year average.
Average high55°
Average low42°
Average precipitation0.13 in
Chance of precipitation42%
Record high78° (1963)
Record low23° (1969)
Sat, 2455° / 42°0.1
55 °
DeForest, Saturday, 24 October
Climate normal for this date — 60-year average.
Average high55°
Average low42°
Average precipitation0.1 in
Chance of precipitation33%
Record high75° (2023)
Record low23° (1981)
Sun, 2554° / 40°0.06
54 °
DeForest, Sunday, 25 October
Climate normal for this date — 60-year average.
Average high54°
Average low40°
Average precipitation0.06 in
Chance of precipitation25%
Record high74° (1989)
Record low27° (2019)
Mon, 2653° / 40°0.09
53 °
DeForest, Monday, 26 October
Climate normal for this date — 60-year average.
Average high53°
Average low40°
Average precipitation0.09 in
Chance of precipitation22%
Record high72° (1989)
Record low23° (1962)
Tue, 2754° / 39°0.07
54 °
DeForest, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.07 in
Chance of precipitation27%
Record high72° (2014)
Record low24° (1976)
Wed, 2853° / 39°0.06
53 °
DeForest, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high53°
Average low39°
Average precipitation0.06 in
Chance of precipitation27%
Record high68° (1974)
Record low25° (1969)
Thu, 2953° / 38°0.05
53 °
DeForest, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.05 in
Chance of precipitation15%
Record high78° (2024)
Record low23° (1980)
Fri, 3054° / 39°0.09
54 °
DeForest, Friday, 30 October
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.09 in
Chance of precipitation27%
Record high75° (2024)
Record low21° (1988)
Sat, 3152° / 40°0.09
52 °
DeForest, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high52°
Average low40°
Average precipitation0.09 in
Chance of precipitation28%
Record high67° (2000)
Record low22° (2019)
Sun, 0151° / 38°0.21
51 °
DeForest, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.21 in
Chance of precipitation32%
Record high70° (2000)
Record low16° (2019)
Mon, 0250° / 37°0.12
50 °
DeForest, Monday, 2 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.12 in
Chance of precipitation40%
Record high70° (1961)
Record low18° (1991)
Tue, 0350° / 36°0.05
50 °
DeForest, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high50°
Average low36°
Average precipitation0.05 in
Chance of precipitation25%
Record high70° (1964)
Record low15° (1991)
Wed, 0449° / 37°0.08
49 °
DeForest, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high49°
Average low37°
Average precipitation0.08 in
Chance of precipitation25%
Record high70° (2008)
Record low11° (1991)
Thu, 0549° / 36°0.09
49 °
DeForest, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.09 in
Chance of precipitation27%
Record high68° (2015)
Record low18° (1991)
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 DeForest, 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 DeForest, 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.