10-day forecast for Vandalia, IL: 30° to 69°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Saturday, November 21
44°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1448° / 31°0
Morning35°feels 30°
Afternoon48°feels 48°
Evening37°feels 34°
Overnight34°feels 29°
48 °
Vandalia, Saturday, 14 November
Clear. High 48°, low 31°.
Pressure30.33 inHg
Wind3.3 mph NW
Humidity55%
Visibility6.2 mi
Dew point27°
Sun, 1551° / 30°0
Morning35°feels 32°
Afternoon51°feels 48°
Evening38°feels 38°
Overnight32°feels 29°
51 °
Vandalia, Sunday, 15 November
Partly cloudy. High 51°, low 30°.
Pressure30.47 inHg
Wind1.1 mph N
Humidity50%
Visibility6.2 mi
Dew point29°
Mon, 1653° / 32°0
Morning37°feels 34°
Afternoon52°feels 50°
Evening41°feels 39°
Overnight33°feels 30°
53 °
Vandalia, Monday, 16 November
Clear. High 53°, low 32°.
Pressure30.53 inHg
Wind2.3 mph S
Humidity51%
Visibility6.2 mi
Dew point34°
Tue, 1753° / 32°0
Morning38°feels 35°
Afternoon50°feels 48°
Evening43°feels 40°
Overnight35°feels 35°
53 °
Vandalia, Tuesday, 17 November
Clear. High 53°, low 32°.
Pressure30.50 inHg
Wind5.3 mph SE
Humidity51%
Visibility—
Dew point32°
Wed, 1860° / 37°0
Morning43°feels 39°
Afternoon57°feels 55°
Evening51°feels 49°
Overnight46°feels 43°
60 °
Vandalia, Wednesday, 18 November
Overcast. High 60°, low 37°.
Pressure30.36 inHg
Wind8.7 mph S
Humidity48%
Visibility—
Dew point36°
Thu, 1960° / 46°0
Morning50°feels 47°
Afternoon60°feels 58°
Evening57°feels 55°
Overnight55°feels 52°
60 °
Vandalia, Thursday, 19 November
Overcast. High 60°, low 46°.
Pressure30.30 inHg
Wind11.5 mph SW
Humidity48%
Visibility—
Dew point38°
Fri, 2068° / 56°0
Morning59°feels 57°
Afternoon66°feels 64°
Evening60°feels 58°
Overnight56°feels 55°
68 °
Vandalia, Friday, 20 November
Overcast. High 68°, low 56°.
Pressure30.33 inHg
Wind6.3 mph S
Humidity47%
Visibility—
Dew point44°
Sat, 2169° / 51°0
Morning56°feels 54°
Afternoon66°feels 65°
Evening59°feels 57°
Overnight55°feels 54°
69 °
Vandalia, Saturday, 21 November
Mostly clear. High 69°, low 51°.
Pressure30.21 inHg
Wind10.6 mph SW
Humidity42%
Visibility—
Dew point41°
Sun, 2268° / 53°0
Morning57°feels 56°
Afternoon66°feels 64°
Evening59°feels 56°
Overnight57°feels 54°
68 °
Vandalia, Sunday, 22 November
Overcast. High 68°, low 53°.
Pressure30.03 inHg
Wind16.8 mph S
Humidity35%
Visibility—
Dew point37°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Vandalia, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.