Monthly outlook for Dupo, IL: average high 57.4°, average low 40.7°. That is 3° above the climate normal for November. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 21 November (68.5°), the coolest 15 November (27.4°).
57.4°/40.7°
Average high / low
+3°
Above normal
2 / 5
Wet days / normal
0.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
15 November – 24 November
59.1°
53.5°
+3.1°
25 November – 4 December
54.6°
48.6°
+3.4°
5 December – 14 December
at normal
44.7°
—
November records over 66 years
80.6°8 November 2023All-time high
5.4°8 November 1991All-time low
Climate normals and records are computed from the nearest reference point — Bella Villa (4 mi).
Mon, 1657° / 28°0
57 °
Dupo, Monday, 16 November
Clear. High 57°, low 28°.
Pressure30.53 inHg
Wind2.3 mph S
Humidity54%
Visibility6.2 mi
Dew point35°
Tue, 1756° / 33°0
56 °
Dupo, Tuesday, 17 November
Clear. High 56°, low 33°.
Pressure30.50 inHg
Wind4.8 mph S
Humidity57%
Visibility6.2 mi
Dew point39°
Wed, 1861° / 40°0
61 °
Dupo, Wednesday, 18 November
Overcast. High 61°, low 40°.
Pressure30.36 inHg
Wind8.4 mph S
Humidity51%
Visibility6.2 mi
Dew point40°
Thu, 1966° / 48°0
66 °
Dupo, Thursday, 19 November
Clear. High 66°, low 48°.
Pressure30.36 inHg
Wind8.2 mph S
Humidity66%
Visibility—
Dew point49°
Fri, 2067° / 52°0.02
67 °
Dupo, Friday, 20 November
Light rain. High 67°, low 52°.
Pressure30.30 inHg
Wind7.8 mph S
Humidity69%
Visibility—
Dew point52°
Sat, 2169° / 47°0.02
69 °
Dupo, Saturday, 21 November
Light rain. High 69°, low 47°.
Pressure30.06 inHg
Wind13.6 mph S
Humidity31%
Visibility—
Dew point33°
Sun, 2259° / 47°0
59 °
Dupo, Sunday, 22 November
Clear. High 59°, low 47°.
Pressure30.18 inHg
Wind11.7 mph NW
Humidity43%
Visibility—
Dew point34°
Mon, 2351° / 39°0
51 °
Dupo, Monday, 23 November
Partly cloudy. High 51°, low 39°.
Pressure30.30 inHg
Wind8.5 mph NE
Humidity39%
Visibility—
Dew point24°
Tue, 2452° / 35°0
52 °
Dupo, Tuesday, 24 November
Overcast. High 52°, low 35°.
Pressure30.30 inHg
Wind6.8 mph E
Humidity36%
Visibility—
Dew point22°
Wed, 2555° / 35°0
55 °
Dupo, Wednesday, 25 November
Overcast. High 55°, low 35°.
Pressure30.18 inHg
Wind6.1 mph SE
Humidity41%
Visibility—
Dew point27°
Thu, 2662° / 46°0.1
62 °
Dupo, Thursday, 26 November
Light rain. High 62°, low 46°.
Pressure30.09 inHg
Wind9.8 mph SE
Humidity37%
Visibility—
Dew point33°
Fri, 2754° / 49°0.42
54 °
Dupo, Friday, 27 November
Rain. High 54°, low 49°.
Pressure29.97 inHg
Wind6.2 mph W
Humidity84%
Visibility—
Dew point48°
Sat, 2854° / 43°0
54 °
Dupo, Saturday, 28 November
Clear. High 54°, low 43°.
Pressure30.06 inHg
Wind6.9 mph NW
Humidity51%
Visibility—
Dew point33°
Sun, 2953° / 38°0
53 °
Dupo, Sunday, 29 November
Overcast. High 53°, low 38°.
Pressure30.06 inHg
Wind10.6 mph E
Humidity55%
Visibility—
Dew point34°
Mon, 3051° / 42°0
51 °
Dupo, Monday, 30 November
Overcast. High 51°, low 42°.
Pressure30.12 inHg
Wind11.8 mph N
Humidity55%
Visibility—
Dew point33°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 0147° / 33°0.11
47 °
Dupo, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high47°
Average low33°
Average precipitation0.11 in
Chance of precipitation27%
Record high70° (1970)
Record low17° (1985)
Wed, 0249° / 33°0.09
49 °
Dupo, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high49°
Average low33°
Average precipitation0.09 in
Chance of precipitation23%
Record high72° (2012)
Record low11° (1985)
Thu, 0347° / 34°0.13
47 °
Dupo, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.13 in
Chance of precipitation35%
Record high73° (1998)
Record low14° (1985)
Fri, 0446° / 33°0.08
46 °
Dupo, Friday, 4 December
Climate normal for this date — 60-year average.
Average high46°
Average low33°
Average precipitation0.08 in
Chance of precipitation25%
Record high70° (1998)
Record low4° (2006)
Sat, 0547° / 32°0.11
47 °
Dupo, Saturday, 5 December
Climate normal for this date — 60-year average.
Average high47°
Average low32°
Average precipitation0.11 in
Chance of precipitation28%
Record high72° (1998)
Record low13° (2025)
Sun, 0645° / 31°0.06
45 °
Dupo, Sunday, 6 December
Climate normal for this date — 60-year average.
Average high45°
Average low31°
Average precipitation0.06 in
Chance of precipitation37%
Record high71° (1998)
Record low7° (1977)
Mon, 0744° / 30°0.09
44 °
Dupo, Monday, 7 December
Climate normal for this date — 60-year average.
Average high44°
Average low30°
Average precipitation0.09 in
Chance of precipitation25%
Record high68° (1980)
Record low-1° (1977)
Tue, 0844° / 31°0.09
44 °
Dupo, Tuesday, 8 December
Climate normal for this date — 60-year average.
Average high44°
Average low31°
Average precipitation0.09 in
Chance of precipitation33%
Record high68° (1991)
Record low11° (2006)
Wed, 0945° / 30°0.07
45 °
Dupo, Wednesday, 9 December
Climate normal for this date — 60-year average.
Average high45°
Average low30°
Average precipitation0.07 in
Chance of precipitation30%
Record high62° (1965)
Record low4° (1977)
Thu, 1045° / 29°0.11
45 °
Dupo, Thursday, 10 December
Climate normal for this date — 60-year average.
Average high45°
Average low29°
Average precipitation0.11 in
Chance of precipitation22%
Record high67° (1965)
Record low-2° (1977)
Fri, 1145° / 29°0.1
45 °
Dupo, Friday, 11 December
Climate normal for this date — 60-year average.
Average high45°
Average low29°
Average precipitation0.1 in
Chance of precipitation28%
Record high65° (1979)
Record low7° (1977)
Sat, 1244° / 31°0.07
44 °
Dupo, Saturday, 12 December
Climate normal for this date — 60-year average.
Average high44°
Average low31°
Average precipitation0.07 in
Chance of precipitation27%
Record high71° (2015)
Record low2° (1962)
Sun, 1344° / 30°0.09
44 °
Dupo, Sunday, 13 December
Climate normal for this date — 60-year average.
Average high44°
Average low30°
Average precipitation0.09 in
Chance of precipitation40%
Record high65° (1975)
Record low0° (1961)
Mon, 1445° / 31°0.14
45 °
Dupo, Monday, 14 December
Climate normal for this date — 60-year average.
Average high45°
Average low31°
Average precipitation0.14 in
Chance of precipitation38%
Record high66° (1975)
Record low3° (1985)
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 Dupo, IL 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 Dupo, IL 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.