Monthly outlook for Summer Hill, IL: average high 57°, average low 39.9°. That is 3.8° above the climate normal for November. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 19 November (65.5°), the coolest 15 November (24.6°).
57°/39.9°
Average high / low
+3.8°
Above normal
2 / 5
Wet days / normal
1.0 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
15 November – 24 November
56°
51.8°
+2.3°
25 November – 4 December
58.6°
46.6°
+6.7°
5 December – 14 December
at normal
42.5°
—
November records over 66 years
80.1°1 November 2016All-time high
-0.6°8 November 1991All-time low
Climate normals and records are computed from the nearest reference point — Louisiana (10 mi).
Mon, 1656° / 26°0
56 °
Summer Hill, Monday, 16 November
Clear. High 56°, low 26°.
Pressure30.53 inHg
Wind6.1 mph S
Humidity46%
Visibility6.2 mi
Dew point32°
Tue, 1756° / 35°0
56 °
Summer Hill, Tuesday, 17 November
Clear. High 56°, low 35°.
Pressure30.47 inHg
Wind7.7 mph S
Humidity54%
Visibility6.2 mi
Dew point38°
Wed, 1860° / 40°0
60 °
Summer Hill, Wednesday, 18 November
Overcast. High 60°, low 40°.
Pressure30.33 inHg
Wind11.6 mph S
Humidity52%
Visibility6.2 mi
Dew point39°
Thu, 1966° / 47°0.02
66 °
Summer Hill, Thursday, 19 November
Light rain. High 66°, low 47°.
Pressure30.27 inHg
Wind11 mph SW
Humidity57%
Visibility—
Dew point47°
Fri, 2065° / 51°0
65 °
Summer Hill, Friday, 20 November
Overcast. High 65°, low 51°.
Pressure30.24 inHg
Wind12.9 mph S
Humidity68%
Visibility—
Dew point53°
Sat, 2159° / 50°0.19
59 °
Summer Hill, Saturday, 21 November
Rain. High 59°, low 50°.
Pressure30.00 inHg
Wind17.4 mph S
Humidity86%
Visibility—
Dew point49°
Sun, 2252° / 39°0
52 °
Summer Hill, Sunday, 22 November
Clear. High 52°, low 39°.
Pressure30.33 inHg
Wind13.3 mph NW
Humidity50%
Visibility—
Dew point32°
Mon, 2346° / 31°0
46 °
Summer Hill, Monday, 23 November
Clear. High 46°, low 31°.
Pressure30.50 inHg
Wind9.4 mph NE
Humidity38%
Visibility—
Dew point19°
Tue, 2449° / 30°0
49 °
Summer Hill, Tuesday, 24 November
Overcast. High 49°, low 30°.
Pressure30.47 inHg
Wind7.5 mph SE
Humidity37%
Visibility—
Dew point19°
Wed, 2557° / 32°0
57 °
Summer Hill, Wednesday, 25 November
Partly cloudy. High 57°, low 32°.
Pressure30.36 inHg
Wind9.4 mph S
Humidity37%
Visibility—
Dew point25°
Thu, 2661° / 41°0
61 °
Summer Hill, Thursday, 26 November
Clear. High 61°, low 41°.
Pressure30.24 inHg
Wind10.2 mph S
Humidity37%
Visibility—
Dew point31°
Fri, 2760° / 45°0
60 °
Summer Hill, Friday, 27 November
Overcast. High 60°, low 45°.
Pressure30.27 inHg
Wind6.4 mph SE
Humidity45%
Visibility—
Dew point35°
Sat, 2862° / 44°0
62 °
Summer Hill, Saturday, 28 November
Overcast. High 62°, low 44°.
Pressure30.36 inHg
Wind6.9 mph E
Humidity27%
Visibility—
Dew point24°
Sun, 2958° / 51°0
58 °
Summer Hill, Sunday, 29 November
Overcast. High 58°, low 51°.
Pressure30.27 inHg
Wind10 mph E
Humidity39%
Visibility—
Dew point31°
Mon, 3053° / 50°0.83
53 °
Summer Hill, Monday, 30 November
Rain. High 53°, low 50°.
Pressure30.03 inHg
Wind11.7 mph E
Humidity95%
Visibility—
Dew point51°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 0145° / 32°0.11
45 °
Summer Hill, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high45°
Average low32°
Average precipitation0.11 in
Chance of precipitation35%
Record high67° (2012)
Record low8° (1985)
Wed, 0246° / 32°0.07
46 °
Summer Hill, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high46°
Average low32°
Average precipitation0.07 in
Chance of precipitation22%
Record high69° (1982)
Record low8° (1985)
Thu, 0346° / 32°0.09
46 °
Summer Hill, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high46°
Average low32°
Average precipitation0.09 in
Chance of precipitation27%
Record high73° (2012)
Record low8° (1985)
Fri, 0444° / 31°0.07
44 °
Summer Hill, Friday, 4 December
Climate normal for this date — 60-year average.
Average high44°
Average low31°
Average precipitation0.07 in
Chance of precipitation22%
Record high70° (1998)
Record low6° (2006)
Sat, 0545° / 31°0.07
45 °
Summer Hill, Saturday, 5 December
Climate normal for this date — 60-year average.
Average high45°
Average low31°
Average precipitation0.07 in
Chance of precipitation23%
Record high70° (1998)
Record low8° (2025)
Sun, 0642° / 30°0.06
42 °
Summer Hill, Sunday, 6 December
Climate normal for this date — 60-year average.
Average high42°
Average low30°
Average precipitation0.06 in
Chance of precipitation32%
Record high65° (1980)
Record low1° (1964)
Mon, 0742° / 29°0.07
42 °
Summer Hill, Monday, 7 December
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.07 in
Chance of precipitation20%
Record high66° (1980)
Record low0° (1976)
Tue, 0842° / 29°0.05
42 °
Summer Hill, Tuesday, 8 December
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.05 in
Chance of precipitation25%
Record high70° (1991)
Record low1° (2006)
Wed, 0942° / 29°0.08
42 °
Summer Hill, Wednesday, 9 December
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.08 in
Chance of precipitation33%
Record high62° (2021)
Record low0° (1977)
Thu, 1042° / 28°0.11
42 °
Summer Hill, Thursday, 10 December
Climate normal for this date — 60-year average.
Average high42°
Average low28°
Average precipitation0.11 in
Chance of precipitation20%
Record high63° (2021)
Record low-5° (1977)
Fri, 1142° / 28°0.07
42 °
Summer Hill, Friday, 11 December
Climate normal for this date — 60-year average.
Average high42°
Average low28°
Average precipitation0.07 in
Chance of precipitation30%
Record high64° (1979)
Record low-3° (1972)
Sat, 1242° / 29°0.05
42 °
Summer Hill, Saturday, 12 December
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.05 in
Chance of precipitation15%
Record high69° (2015)
Record low-1° (2000)
Sun, 1342° / 29°0.09
42 °
Summer Hill, Sunday, 13 December
Climate normal for this date — 60-year average.
Average high42°
Average low29°
Average precipitation0.09 in
Chance of precipitation25%
Record high66° (1975)
Record low-3° (1961)
Mon, 1443° / 29°0.12
43 °
Summer Hill, Monday, 14 December
Climate normal for this date — 60-year average.
Average high43°
Average low29°
Average precipitation0.12 in
Chance of precipitation33%
Record high67° (1975)
Record low2° (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 Summer Hill, 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 Summer Hill, 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.