As of 07:24 CDT

Weather in Fosterburg, IL

40°Current weather

Fosterburg, Saturday, 17 October, 07:24

Clear. Feels like 35°. High 57°, low 40°.

Pressure30.50 inHg
Wind5.7 mph N
Humidity93%
Visibility6.2 mi
Dew point37°

Monthly outlook for Fosterburg, IL: average high 68.2°, average low 48.8°. That is 2.8° above the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 25 October (80.1°), the coolest 27 October (36.8°).

68.2°/48.8°
Average high / low
+2.8°
Above normal
3 / 5
Wet days / normal
1.0 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
17 October – 26 October69°64.1°+2.7°
27 October – 5 November67°60.2°+3.7°
6 November – 15 Novemberat normal55.2°—

October records over 66 years

91.4°1 October 2019All-time high
28.6°24 October 1981All-time low

Climate normals and records are computed from the nearest reference point — Edwardsville (13 mi).

Sun, 1862° / 43°0Clear
62 °Clear

Fosterburg, Sunday, 18 October

Clear. High 62°, low 43°.

Pressure30.47 inHg
Wind8 mph S
Humidity45%
Visibility6.2 mi
Dew point37°
Mon, 1966° / 44°0Overcast
66 °Overcast

Fosterburg, Monday, 19 October

Overcast. High 66°, low 44°.

Pressure30.39 inHg
Wind3.6 mph S
Humidity51%
Visibility6.2 mi
Dew point45°
Tue, 2068° / 46°0Mostly clear
68 °Mostly clear

Fosterburg, Tuesday, 20 October

Mostly clear. High 68°, low 46°.

Pressure30.36 inHg
Wind3.3 mph SE
Humidity51%
Visibility6.2 mi
Dew point47°
Wed, 2169° / 48°0.01Light rain
69 °Light rain

Fosterburg, Wednesday, 21 October

Light rain. High 69°, low 48°.

Pressure30.27 inHg
Wind3.5 mph SE
Humidity49%
Visibility—
Dew point45°
Thu, 2273° / 52°0Clear
73 °Clear

Fosterburg, Thursday, 22 October

Clear. High 73°, low 52°.

Pressure30.21 inHg
Wind6.1 mph E
Humidity44%
Visibility—
Dew point46°
Fri, 2377° / 55°0Overcast
77 °Overcast

Fosterburg, Friday, 23 October

Overcast. High 77°, low 55°.

Pressure30.15 inHg
Wind8.8 mph SE
Humidity26%
Visibility—
Dew point36°
Sat, 2476° / 57°0Overcast
76 °Overcast

Fosterburg, Saturday, 24 October

Overcast. High 76°, low 57°.

Pressure30.15 inHg
Wind10.5 mph SE
Humidity28%
Visibility—
Dew point37°
Sun, 2580° / 61°0Light rain
80 °Light rain

Fosterburg, Sunday, 25 October

Light rain. High 80°, low 61°.

Pressure30.03 inHg
Wind14.8 mph S
Humidity29%
Visibility—
Dew point40°
Mon, 2662° / 43°0.06Light rain
62 °Light rain

Fosterburg, Monday, 26 October

Light rain. High 62°, low 43°.

Pressure30.18 inHg
Wind15.1 mph NW
Humidity63%
Visibility—
Dew point39°
Tue, 2758° / 37°0Overcast
58 °Overcast

Fosterburg, Tuesday, 27 October

Overcast. High 58°, low 37°.

Pressure30.42 inHg
Wind8.2 mph E
Humidity32%
Visibility—
Dew point24°
Wed, 2867° / 45°0.2Rain
67 °Rain

Fosterburg, Wednesday, 28 October

Rain. High 67°, low 45°.

Pressure30.09 inHg
Wind18.3 mph SW
Humidity30%
Visibility—
Dew point31°
Thu, 2968° / 51°0Clear
68 °Clear

Fosterburg, Thursday, 29 October

Clear. High 68°, low 51°.

Pressure30.12 inHg
Wind18.7 mph W
Humidity37%
Visibility—
Dew point37°
Fri, 3071° / 47°0Partly cloudy
71 °Partly cloudy

Fosterburg, Friday, 30 October

Partly cloudy. High 71°, low 47°.

Pressure30.03 inHg
Wind13.7 mph S
Humidity32%
Visibility—
Dew point34°
Sat, 3173° / 62°0.75Heavy rain
73 °Heavy rain

Fosterburg, Saturday, 31 October

Heavy rain. High 73°, low 62°.

Pressure29.65 inHg
Wind19.2 mph S
Humidity80%
Visibility—
Dew point65°
Sun, 0165° / 50°0Overcast
65 °Overcast

Fosterburg, Sunday, 1 November

Overcast. High 65°, low 50°.

Pressure30.03 inHg
Wind14 mph W
Humidity60%
Visibility—
Dew point39°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 0260° / 45°0.08Climate normal
60 °Climate normal

Fosterburg, Monday, 2 November

Climate normal for this date — 60-year average.

Average high60°
Average low45°
Average precipitation0.08 in
Chance of precipitation30%
Record high79° (2016)
Record low27° (1966)
Tue, 0358° / 44°0.11Climate normal
58 °Climate normal

Fosterburg, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high58°
Average low44°
Average precipitation0.11 in
Chance of precipitation30%
Record high78° (1987)
Record low20° (1991)
Wed, 0457° / 45°0.16Climate normal
57 °Climate normal

Fosterburg, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high57°
Average low45°
Average precipitation0.16 in
Chance of precipitation28%
Record high76° (2022)
Record low20° (1991)
Thu, 0558° / 43°0.16Climate normal
58 °Climate normal

Fosterburg, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high58°
Average low43°
Average precipitation0.16 in
Chance of precipitation30%
Record high76° (1978)
Record low24° (1991)
Fri, 0657° / 42°0.09Climate normal
57 °Climate normal

Fosterburg, Friday, 6 November

Climate normal for this date — 60-year average.

Average high57°
Average low42°
Average precipitation0.09 in
Chance of precipitation33%
Record high77° (2023)
Record low28° (1982)
Sat, 0757° / 42°0.08Climate normal
57 °Climate normal

Fosterburg, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high57°
Average low42°
Average precipitation0.08 in
Chance of precipitation22%
Record high74° (1980)
Record low17° (1991)
Sun, 0857° / 42°0.04Climate normal
57 °Climate normal

Fosterburg, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high57°
Average low42°
Average precipitation0.04 in
Chance of precipitation17%
Record high80° (2023)
Record low4° (1991)
Mon, 0958° / 43°0.1Climate normal
58 °Climate normal

Fosterburg, Monday, 9 November

Climate normal for this date — 60-year average.

Average high58°
Average low43°
Average precipitation0.1 in
Chance of precipitation30%
Record high76° (2022)
Record low8° (1991)
Tue, 1056° / 41°0.13Climate normal
56 °Climate normal

Fosterburg, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high56°
Average low41°
Average precipitation0.13 in
Chance of precipitation30%
Record high74° (2020)
Record low20° (2018)
Wed, 1154° / 39°0.11Climate normal
54 °Climate normal

Fosterburg, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high54°
Average low39°
Average precipitation0.11 in
Chance of precipitation27%
Record high74° (1989)
Record low23° (2019)
Thu, 1252° / 37°0.09Climate normal
52 °Climate normal

Fosterburg, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high52°
Average low37°
Average precipitation0.09 in
Chance of precipitation25%
Record high72° (2010)
Record low12° (2019)
Fri, 1353° / 38°0.06Climate normal
53 °Climate normal

Fosterburg, Friday, 13 November

Climate normal for this date — 60-year average.

Average high53°
Average low38°
Average precipitation0.06 in
Chance of precipitation22%
Record high77° (1999)
Record low11° (1986)
Sat, 1454° / 39°0.1Climate normal
54 °Climate normal

Fosterburg, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high54°
Average low39°
Average precipitation0.1 in
Chance of precipitation28%
Record high77° (1971)
Record low16° (1986)
Sun, 1554° / 39°0.13Climate normal
54 °Climate normal

Fosterburg, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high54°
Average low39°
Average precipitation0.13 in
Chance of precipitation32%
Record high76° (2025)
Record low22° (2019)

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 Fosterburg, 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 Fosterburg, 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.