10-day forecast for Vandalia, OH: 57° to 90°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
88°
Best day: Sunday, August 9
85° · 1.66 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 71°0.71
Morning72°feels 73°
Afternoon88°feels 98°
Evening82°feels 88°
Overnight73°feels 74°
90 °
Vandalia, Monday, 10 August
Heavy rain. High 90°, low 71°.
Pressure30.00 inHg
Wind15.8 mph SW
Humidity75%
Visibility6.2 mi
Dew point73°
Tue, 1187° / 67°1.09
Morning71°feels 72°
Afternoon86°feels 95°
Evening68°feels 68°
Overnight71°feels 72°
87 °
Vandalia, Tuesday, 11 August
Heavy rain. High 87°, low 67°.
Pressure29.91 inHg
Wind9.7 mph SW
Humidity78%
Visibility6.2 mi
Dew point74°
Wed, 1285° / 64°1.66
Morning72°feels 74°
Afternoon85°feels 92°
Evening67°feels 67°
Overnight69°feels 70°
85 °
Vandalia, Wednesday, 12 August
Heavy rain. High 85°, low 64°.
Pressure29.80 inHg
Wind4.6 mph NW
Humidity78%
Visibility6.2 mi
Dew point74°
Thu, 1376° / 63°0
Morning67°feels 67°
Afternoon75°feels 76°
Evening69°feels 69°
Overnight64°feels 65°
76 °
Vandalia, Thursday, 13 August
Clear. High 76°, low 63°.
Pressure29.97 inHg
Wind8.3 mph N
Humidity65%
Visibility—
Dew point62°
Fri, 1473° / 60°0.18
Morning63°feels 64°
Afternoon68°feels 68°
Evening65°feels 66°
Overnight60°feels 60°
73 °
Vandalia, Friday, 14 August
Light rain. High 73°, low 60°.
Pressure30.15 inHg
Wind7.2 mph NE
Humidity71%
Visibility—
Dew point58°
Sat, 1572° / 57°0
Morning60°feels 60°
Afternoon66°feels 66°
Evening66°feels 66°
Overnight60°feels 59°
72 °
Vandalia, Saturday, 15 August
Overcast. High 72°, low 57°.
Pressure30.27 inHg
Wind7.9 mph E
Humidity79%
Visibility—
Dew point58°
Sun, 1673° / 58°0.01
Morning62°feels 62°
Afternoon69°feels 69°
Evening67°feels 67°
Overnight62°feels 62°
73 °
Vandalia, Sunday, 16 August
Light rain. High 73°, low 58°.
Pressure30.12 inHg
Wind9.2 mph SE
Humidity66%
Visibility—
Dew point56°
Mon, 1777° / 60°0
Morning66°feels 67°
Afternoon75°feels 76°
Evening70°feels 71°
Overnight65°feels 66°
77 °
Vandalia, Monday, 17 August
Overcast. High 77°, low 60°.
Pressure30.06 inHg
Wind6.9 mph N
Humidity73%
Visibility—
Dew point65°
Tue, 1880° / 62°0
Morning68°feels 69°
Afternoon78°feels 78°
Evening73°feels 73°
Overnight67°feels 67°
80 °
Vandalia, Tuesday, 18 August
Clear. High 80°, low 62°.
Pressure30.06 inHg
Wind4.1 mph E
Humidity56%
Visibility—
Dew point60°
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, OH 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.