Monthly outlook for Sugar Grove, IL: average high 51.1°, average low 36.7°. That is 1.9° above the climate normal for November. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 23 November (61.3°), the coolest 14 November (28.6°).
51.1°/36.7°
Average high / low
+1.9°
Above normal
3 / 4
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 November – 17 November
51.3°
48.6°
+1.5°
18 November – 27 November
50.7°
44.8°
+3.3°
28 November – 7 December
at normal
38.9°
—
November records over 66 years
75.4°5 November 1978All-time high
2.1°13 November 2019All-time low
Climate normals and records are computed from the nearest reference point — Boulder Hill (7 mi).
Mon, 0959° / 37°0
59 °
Sugar Grove, Monday, 9 November
Mostly clear. High 59°, low 37°.
Pressure30.09 inHg
Wind8.3 mph SW
Humidity55%
Visibility6.2 mi
Dew point41°
Tue, 1060° / 42°0
60 °
Sugar Grove, Tuesday, 10 November
Clear. High 60°, low 42°.
Pressure30.06 inHg
Wind4.8 mph NW
Humidity53%
Visibility6.2 mi
Dew point42°
Wed, 1156° / 40°0
56 °
Sugar Grove, Wednesday, 11 November
Light rain. High 56°, low 40°.
Pressure29.85 inHg
Wind4.4 mph NE
Humidity56%
Visibility6.2 mi
Dew point41°
Thu, 1243° / 34°0.04
43 °
Sugar Grove, Thursday, 12 November
Light rain. High 43°, low 34°.
Pressure29.94 inHg
Wind14.1 mph N
Humidity63%
Visibility6.2 mi
Dew point31°
Fri, 1341° / 33°0
41 °
Sugar Grove, Friday, 13 November
Overcast. High 41°, low 33°.
Pressure30.06 inHg
Wind13.4 mph N
Humidity69%
Visibility—
Dew point30°
Sat, 1443° / 29°0
43 °
Sugar Grove, Saturday, 14 November
Clear. High 43°, low 29°.
Pressure30.18 inHg
Wind9.6 mph NW
Humidity62%
Visibility—
Dew point28°
Sun, 1546° / 31°0
46 °
Sugar Grove, Sunday, 15 November
Mostly clear. High 46°, low 31°.
Pressure30.09 inHg
Wind5.1 mph W
Humidity43%
Visibility—
Dew point22°
Mon, 1650° / 33°0
50 °
Sugar Grove, Monday, 16 November
Overcast. High 50°, low 33°.
Pressure30.24 inHg
Wind7 mph E
Humidity49%
Visibility—
Dew point28°
Tue, 1753° / 36°0
53 °
Sugar Grove, Tuesday, 17 November
Overcast. High 53°, low 36°.
Pressure30.33 inHg
Wind10.1 mph SE
Humidity47%
Visibility—
Dew point30°
Wed, 1849° / 43°0.22
49 °
Sugar Grove, Wednesday, 18 November
Rain. High 49°, low 43°.
Pressure30.18 inHg
Wind7.6 mph S
Humidity76%
Visibility—
Dew point41°
Thu, 1951° / 39°0
51 °
Sugar Grove, Thursday, 19 November
Clear. High 51°, low 39°.
Pressure30.15 inHg
Wind13.8 mph W
Humidity42%
Visibility—
Dew point27°
Fri, 2051° / 39°0
51 °
Sugar Grove, Friday, 20 November
Overcast. High 51°, low 39°.
Pressure30.24 inHg
Wind6.6 mph S
Humidity51%
Visibility—
Dew point31°
Sat, 2145° / 36°0.26
45 °
Sugar Grove, Saturday, 21 November
Rain. High 45°, low 36°.
Pressure30.33 inHg
Wind15.5 mph N
Humidity48%
Visibility—
Dew point26°
Sun, 2247° / 33°0
47 °
Sugar Grove, Sunday, 22 November
Partly cloudy. High 47°, low 33°.
Pressure30.33 inHg
Wind13.1 mph SE
Humidity50%
Visibility—
Dew point27°
Mon, 2361° / 43°0.02
61 °
Sugar Grove, Monday, 23 November
Light rain. High 61°, low 43°.
Pressure30.03 inHg
Wind17.3 mph S
Humidity72%
Visibility—
Dew point49°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2443° / 29°0.07
43 °
Sugar Grove, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high43°
Average low29°
Average precipitation0.07 in
Chance of precipitation28%
Record high66° (1966)
Record low12° (1970)
Wed, 2543° / 31°0.08
43 °
Sugar Grove, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high43°
Average low31°
Average precipitation0.08 in
Chance of precipitation35%
Record high60° (1966)
Record low14° (1977)
Thu, 2644° / 30°0.11
44 °
Sugar Grove, Thursday, 26 November
Climate normal for this date — 60-year average.
Average high44°
Average low30°
Average precipitation0.11 in
Chance of precipitation42%
Record high64° (1990)
Record low3° (1977)
Fri, 2742° / 30°0.21
42 °
Sugar Grove, Friday, 27 November
Climate normal for this date — 60-year average.
Average high42°
Average low30°
Average precipitation0.21 in
Chance of precipitation48%
Record high65° (1990)
Record low12° (1977)
Sat, 2840° / 28°0.12
40 °
Sugar Grove, Saturday, 28 November
Climate normal for this date — 60-year average.
Average high40°
Average low28°
Average precipitation0.12 in
Chance of precipitation25%
Record high64° (1998)
Record low2° (2018)
Sun, 2941° / 28°0.07
41 °
Sugar Grove, Sunday, 29 November
Climate normal for this date — 60-year average.
Average high41°
Average low28°
Average precipitation0.07 in
Chance of precipitation32%
Record high66° (1998)
Record low7° (1976)
Mon, 3041° / 28°0.08
41 °
Sugar Grove, Monday, 30 November
Climate normal for this date — 60-year average.
Average high41°
Average low28°
Average precipitation0.08 in
Chance of precipitation28%
Record high65° (1998)
Record low10° (1964)
Tue, 0139° / 27°0.15
39 °
Sugar Grove, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high39°
Average low27°
Average precipitation0.15 in
Chance of precipitation38%
Record high64° (1970)
Record low11° (1971)
Wed, 0240° / 27°0.06
40 °
Sugar Grove, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high40°
Average low27°
Average precipitation0.06 in
Chance of precipitation28%
Record high69° (1982)
Record low7° (2006)
Thu, 0339° / 27°0.08
39 °
Sugar Grove, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high39°
Average low27°
Average precipitation0.08 in
Chance of precipitation28%
Record high69° (2012)
Record low4° (2006)
Fri, 0438° / 26°0.06
38 °
Sugar Grove, Friday, 4 December
Climate normal for this date — 60-year average.
Average high38°
Average low26°
Average precipitation0.06 in
Chance of precipitation25%
Record high65° (1998)
Record low-4° (1991)
Sat, 0539° / 25°0.07
39 °
Sugar Grove, Saturday, 5 December
Climate normal for this date — 60-year average.
Average high39°
Average low25°
Average precipitation0.07 in
Chance of precipitation27%
Record high67° (2001)
Record low-5° (1991)
Sun, 0637° / 24°0.06
37 °
Sugar Grove, Sunday, 6 December
Climate normal for this date — 60-year average.
Average high37°
Average low24°
Average precipitation0.06 in
Chance of precipitation23%
Record high62° (1998)
Record low-1° (1964)
Mon, 0735° / 24°0.12
35 °
Sugar Grove, Monday, 7 December
Climate normal for this date — 60-year average.
Average high35°
Average low24°
Average precipitation0.12 in
Chance of precipitation27%
Record high56° (1980)
Record low-7° (1972)
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 Sugar Grove, 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 Sugar Grove, 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.