As of 06:24 CDT

Weather in Fosterburg, IL

49°Current weather

Fosterburg, Tuesday, 20 October, 06:24

Clear. Feels like 49°. High 74°, low 49°.

Pressure30.33 inHg
Wind0 mph N
Humidity91%
Visibility6.2 mi
Dew point46°

Monthly outlook for Fosterburg, IL: average high 63.2°, average low 45.2°. That is 0.7° above the climate normal for October. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 25 October (76.3°), the coolest 28 October (29.2°).

63.2°/45.2°
Average high / low
+0.7°
Above normal
3 / 5
Wet days / normal
0.8 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
20 October – 29 October67.4°63.2°+2.3°
30 October – 8 November56.3°59°-1.5°
9 November – 18 Novemberat normal54.2°—

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).

Wed, 2175° / 46°0.01Light rain
75 °Light rain

Fosterburg, Wednesday, 21 October

Light rain. High 75°, low 46°.

Pressure30.27 inHg
Wind1.9 mph S
Humidity45%
Visibility6.2 mi
Dew point47°
Thu, 2273° / 49°0Clear
73 °Clear

Fosterburg, Thursday, 22 October

Clear. High 73°, low 49°.

Pressure30.27 inHg
Wind3.4 mph E
Humidity42%
Visibility6.2 mi
Dew point47°
Fri, 2371° / 51°0Clear
71 °Clear

Fosterburg, Friday, 23 October

Clear. High 71°, low 51°.

Pressure30.30 inHg
Wind5.5 mph SE
Humidity48%
Visibility6.2 mi
Dew point48°
Sat, 2473° / 52°0Overcast
73 °Overcast

Fosterburg, Saturday, 24 October

Overcast. High 73°, low 52°.

Pressure30.36 inHg
Wind7.6 mph SE
Humidity46%
Visibility—
Dew point46°
Sun, 2576° / 55°0Overcast
76 °Overcast

Fosterburg, Sunday, 25 October

Overcast. High 76°, low 55°.

Pressure30.39 inHg
Wind6.2 mph SE
Humidity41%
Visibility—
Dew point46°
Mon, 2675° / 58°0Overcast
75 °Overcast

Fosterburg, Monday, 26 October

Overcast. High 75°, low 58°.

Pressure30.18 inHg
Wind13.1 mph W
Humidity31%
Visibility—
Dew point39°
Tue, 2756° / 44°0Overcast
56 °Overcast

Fosterburg, Tuesday, 27 October

Overcast. High 56°, low 44°.

Pressure30.39 inHg
Wind17 mph N
Humidity35%
Visibility—
Dew point27°
Wed, 2846° / 29°0Clear
46 °Clear

Fosterburg, Wednesday, 28 October

Clear. High 46°, low 29°.

Pressure30.53 inHg
Wind13.2 mph N
Humidity22%
Visibility—
Dew point6°
Thu, 2954° / 30°0.03Light rain
54 °Light rain

Fosterburg, Thursday, 29 October

Light rain. High 54°, low 30°.

Pressure30.24 inHg
Wind8.9 mph SW
Humidity18%
Visibility—
Dew point7°
Fri, 3049° / 42°0.13Light rain
49 °Light rain

Fosterburg, Friday, 30 October

Light rain. High 49°, low 42°.

Pressure30.09 inHg
Wind9.1 mph SW
Humidity75%
Visibility—
Dew point41°
Sat, 3162° / 45°0Partly cloudy
62 °Partly cloudy

Fosterburg, Saturday, 31 October

Partly cloudy. High 62°, low 45°.

Pressure30.12 inHg
Wind6.7 mph NE
Humidity56%
Visibility—
Dew point43°
Sun, 0152° / 46°0.22Light rain
52 °Light rain

Fosterburg, Sunday, 1 November

Light rain. High 52°, low 46°.

Pressure30.21 inHg
Wind11.6 mph E
Humidity76%
Visibility—
Dew point43°
Mon, 0257° / 47°0.43Rain
57 °Rain

Fosterburg, Monday, 2 November

Rain. High 57°, low 47°.

Pressure30.18 inHg
Wind11.1 mph NE
Humidity56%
Visibility—
Dew point40°
Tue, 0356° / 40°0Overcast
56 °Overcast

Fosterburg, Tuesday, 3 November

Overcast. High 56°, low 40°.

Pressure30.18 inHg
Wind6.7 mph N
Humidity32%
Visibility—
Dew point22°
Wed, 0461° / 41°0Partly cloudy
61 °Partly cloudy

Fosterburg, Wednesday, 4 November

Partly cloudy. High 61°, low 41°.

Pressure30.09 inHg
Wind6.5 mph SE
Humidity48%
Visibility—
Dew point37°
From day 17 onward the outlook is built from 60-year climate statistics
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)
Mon, 1653° / 38°0.11Climate normal
53 °Climate normal

Fosterburg, Monday, 16 November

Climate normal for this date — 60-year average.

Average high53°
Average low38°
Average precipitation0.11 in
Chance of precipitation23%
Record high71° (2001)
Record low24° (1997)
Tue, 1754° / 39°0.12Climate normal
54 °Climate normal

Fosterburg, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high54°
Average low39°
Average precipitation0.12 in
Chance of precipitation25%
Record high75° (2016)
Record low14° (1997)
Wed, 1854° / 40°0.17Climate normal
54 °Climate normal

Fosterburg, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high54°
Average low40°
Average precipitation0.17 in
Chance of precipitation32%
Record high70° (2024)
Record low14° (2014)

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.