10-day forecast for Westerville, OH: 57° to 88°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Sunday, August 9
88° · 1.86 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 67°1.12
Morning70°feels 71°
Afternoon87°feels 94°
Evening80°feels 85°
Overnight73°feels 74°
88 °
Westerville, Monday, 10 August
Heavy rain. High 88°, low 67°.
Pressure30.00 inHg
Wind11.9 mph SW
Humidity86%
Visibility6.2 mi
Dew point72°
Tue, 1188° / 65°1.86
Morning70°feels 72°
Afternoon81°feels 86°
Evening66°feels 67°
Overnight70°feels 72°
88 °
Westerville, Tuesday, 11 August
Heavy rain. High 88°, low 65°.
Pressure29.94 inHg
Wind7.3 mph S
Humidity93%
Visibility6.2 mi
Dew point72°
Wed, 1284° / 67°0.57
Morning69°feels 71°
Afternoon84°feels 89°
Evening71°feels 72°
Overnight67°feels 68°
84 °
Westerville, Wednesday, 12 August
Rain. High 84°, low 67°.
Pressure29.80 inHg
Wind5.4 mph NW
Humidity83%
Visibility6.2 mi
Dew point73°
Thu, 1377° / 64°0
Morning68°feels 68°
Afternoon75°feels 76°
Evening68°feels 68°
Overnight65°feels 65°
77 °
Westerville, Thursday, 13 August
Overcast. High 77°, low 64°.
Pressure29.97 inHg
Wind10.6 mph N
Humidity62%
Visibility—
Dew point61°
Fri, 1474° / 61°0
Morning66°feels 65°
Afternoon72°feels 72°
Evening66°feels 66°
Overnight61°feels 60°
74 °
Westerville, Friday, 14 August
Overcast. High 74°, low 61°.
Pressure30.12 inHg
Wind8.3 mph N
Humidity57%
Visibility—
Dew point56°
Sat, 1574° / 57°0
Morning63°feels 62°
Afternoon72°feels 72°
Evening65°feels 65°
Overnight60°feels 59°
74 °
Westerville, Saturday, 15 August
Overcast. High 74°, low 57°.
Pressure30.27 inHg
Wind7.1 mph NE
Humidity54%
Visibility—
Dew point54°
Sun, 1670° / 58°0
Morning60°feels 60°
Afternoon63°feels 62°
Evening65°feels 65°
Overnight62°feels 61°
70 °
Westerville, Sunday, 16 August
Light rain. High 70°, low 58°.
Pressure30.18 inHg
Wind8.8 mph E
Humidity73%
Visibility—
Dew point53°
Mon, 1778° / 59°0.01
Morning66°feels 66°
Afternoon75°feels 75°
Evening70°feels 71°
Overnight65°feels 66°
78 °
Westerville, Monday, 17 August
Light rain. High 78°, low 59°.
Pressure30.06 inHg
Wind6.3 mph NW
Humidity62%
Visibility—
Dew point60°
Tue, 1882° / 62°0
Morning69°feels 70°
Afternoon80°feels 81°
Evening74°feels 74°
Overnight69°feels 69°
82 °
Westerville, Tuesday, 18 August
Clear. High 82°, low 62°.
Pressure30.06 inHg
Wind4.6 mph NE
Humidity52%
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 Westerville, 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.