Westerville, OH Weather Forecast

Local 7-day forecast

74°
F

Slight Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Westerville, OH in one place.

Sunday, August 23, 2026
Wind: 12 mph NW
This Afternoon

A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 74. Northwest wind around 12 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Westerville, OH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 23, 2026 2:42 PM EDT.

The active forecast window currently covers Aug 23 to Aug 29, 2026 for Westerville, OH.

Page Snapshot

Page focus
city weather
Forecast window
Aug 23 to Aug 29, 2026
Latest sync
Aug 23, 2026 2:42 PM EDT
Forecast office
ILN
Source
NOAA / NWS
Next High
74°F
This Afternoon
Next Low
54°F
Tonight
Rain Outlook
4
Periods mentioning precipitation
Windiest
12 mph
This Afternoon

Daily Outlook

Today
Aug 23
Slight Chance Showers And Thunderstorms
74 °F
/ 54°F
Wind 12 mph
Mon
Aug 24
Patchy Fog then Sunny
75 °F
/ 55°F
Wind 3 to 12 mph
Tue
Aug 25
Mostly Sunny
79 °F
/ 58°F
Wind 3 mph
Wed
Aug 26
Mostly Sunny
81 °F
/ 63°F
Wind 2 to 6 mph
Thu
Aug 27
Mostly Sunny then Chance Showers And Thunderstorms
82 °F
/ 64°F
Wind 3 to 8 mph
Fri
Aug 28
Mostly Sunny
80 °F
/ 61°F
Wind 3 to 7 mph
Sat
Aug 29
Mostly Sunny
79 °F
/ 61°F
Wind 6 mph

This Week in Westerville

Thursday looks like the warmest upcoming period in Westerville at 82 degrees F.

Tonight is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for This Afternoon at about 12 mph NW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Aug 23, 2026 2:42 PM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
ILN
Radar station
KILN

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight
Aug 23
54°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
5 to 10 mph W

A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then patchy fog. Partly cloudy, with a low around 54. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Monday
Aug 24
75°F
Patchy Fog then Sunny
3 to 12 mph W

Patchy fog before 9am. Sunny, with a high near 75. West wind 3 to 12 mph.

Monday Night
Aug 24
55°F
Partly Cloudy
1 to 8 mph W

Partly cloudy, with a low around 55. West wind 1 to 8 mph.

Tuesday
Aug 25
79°F
Mostly Sunny
3 mph NW

Mostly sunny, with a high near 79. Northwest wind around 3 mph.

Tuesday Night
Aug 25
58°F
Partly Cloudy
2 mph NE

Partly cloudy, with a low around 58.

Wednesday
Aug 26
81°F
Mostly Sunny
2 to 6 mph S

Mostly sunny, with a high near 81.

Wednesday Night
Aug 26
63°F
Partly Cloudy
6 mph S

Partly cloudy, with a low around 63.

Thursday
Aug 27
82°F
Mostly Sunny then Chance Showers And Thunderstorms
3 to 8 mph SW

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%.

Thursday Night
Aug 27
64°F
Chance Showers And Thunderstorms then Partly Cloudy
3 to 7 mph W

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 40%.

Friday
Aug 28
80°F
Mostly Sunny
3 to 7 mph NW

Mostly sunny, with a high near 80.

Friday Night
Aug 28
61°F
Partly Cloudy
6 mph N

Partly cloudy, with a low around 61.

Saturday
Aug 29
79°F
Mostly Sunny
6 mph NE

Mostly sunny, with a high near 79.

Saturday Night
Aug 29
61°F
Partly Cloudy
6 mph E

Partly cloudy, with a low around 61.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Aug 23
Slight Chance Showers And Thunderstorms
74°F
12 mph
NW
Tonight
Aug 23
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
54°F
5 to 10 mph
W
Monday
Aug 24
Patchy Fog then Sunny
75°F
3 to 12 mph
W
Monday Night
Aug 24
Partly Cloudy
55°F
1 to 8 mph
W
Tuesday
Aug 25
Mostly Sunny
79°F
3 mph
NW
Tuesday Night
Aug 25
Partly Cloudy
58°F
2 mph
NE
Wednesday
Aug 26
Mostly Sunny
81°F
2 to 6 mph
S
Wednesday Night
Aug 26
Partly Cloudy
63°F
6 mph
S
Thursday
Aug 27
Mostly Sunny then Chance Showers And Thunderstorms
82°F
3 to 8 mph
SW
Thursday Night
Aug 27
Chance Showers And Thunderstorms then Partly Cloudy
64°F
3 to 7 mph
W
Friday
Aug 28
Mostly Sunny
80°F
3 to 7 mph
NW
Friday Night
Aug 28
Partly Cloudy
61°F
6 mph
N
Saturday
Aug 29
Mostly Sunny
79°F
6 mph
NE
Saturday Night
Aug 29
Partly Cloudy
61°F
6 mph
E
John W. Everal Farm Buildings
John W. Everal Farm Buildings image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.