Westerville, OH Weather Forecast

Local 7-day forecast

70°
F

Areas Of Smoke

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

Friday, July 17, 2026
Wind: 5 mph E
Overnight

Areas of smoke. Mostly cloudy, with a low around 70. East wind around 5 mph.

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: Jul 17, 2026 5:09 AM EDT.

The active forecast window currently covers Jul 17 to Jul 23, 2026 for Westerville, OH.

Page Snapshot

Page focus
city weather
Forecast window
Jul 17 to Jul 23, 2026
Latest sync
Jul 17, 2026 5:09 AM EDT
Forecast office
ILN
Source
NOAA / NWS
Next High
91°F
Friday
Next Low
70°F
Overnight
Rain Outlook
6
Periods mentioning precipitation
Windiest
9 to 16 mph
Tuesday

Daily Outlook

Today
Jul 17
Areas Of Smoke
91 °F
/ 70°F
Wind 5 mph
Sat
Jul 18
Chance Showers And Thunderstorms
90 °F
/ 69°F
Wind 7 to 15 mph
Sun
Jul 19
Sunny
84 °F
/ 62°F
Wind 8 mph
Mon
Jul 20
Mostly Sunny
87 °F
/ 71°F
Wind 2 to 6 mph
Tue
Jul 21
Showers And Thunderstorms Likely
89 °F
/ 65°F
Wind 9 to 16 mph
Wed
Jul 22
Mostly Sunny
80 °F
/ 59°F
Wind 9 to 14 mph
Thu
Jul 23
Sunny
81 °F
Wind 3 to 7 mph

This Week in Westerville

Friday looks like the warmest upcoming period in Westerville at 91 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 59 degrees F.

The strongest winds are forecast for Tuesday at about 9 to 16 mph SW.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated
Jul 17, 2026 5:09 AM 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

Friday
Jul 17
91°F
Areas Of Smoke
5 mph SE

Areas of smoke. Partly sunny, with a high near 91. Southeast wind around 5 mph.

Friday Night
Jul 17
75°F
Areas Of Smoke
6 mph SW

Areas of smoke before 7pm, then areas of smoke and a chance of showers and thunderstorms between 7pm and 5am. Mostly cloudy, with a low around 75. Southwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Saturday
Jul 18
90°F
Chance Showers And Thunderstorms
7 to 15 mph SW

A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 90. Heat index values as high as 100. Southwest wind 7 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night
Jul 18
69°F
Showers And Thunderstorms
7 to 14 mph NW

Showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 69. Northwest wind 7 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday
Jul 19
84°F
Sunny
8 mph N

Sunny, with a high near 84.

Sunday Night
Jul 19
62°F
Mostly Clear
3 to 8 mph NE

Mostly clear, with a low around 62.

Monday
Jul 20
87°F
Mostly Sunny
2 to 6 mph S

Mostly sunny, with a high near 87.

Monday Night
Jul 20
71°F
Partly Cloudy then Chance Showers And Thunderstorms
5 to 9 mph SW

A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 40%.

Tuesday
Jul 21
89°F
Showers And Thunderstorms Likely
9 to 16 mph SW

Showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.

Tuesday Night
Jul 21
65°F
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
9 to 16 mph NW

Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 70%.

Wednesday
Jul 22
80°F
Mostly Sunny
9 to 14 mph NW

Mostly sunny, with a high near 80.

Wednesday Night
Jul 22
59°F
Mostly Clear
3 to 13 mph N

Mostly clear, with a low around 59.

Thursday
Jul 23
81°F
Sunny
3 to 7 mph N

Sunny, with a high near 81.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Jul 17
Areas Of Smoke
70°F
5 mph
E
Friday
Jul 17
Areas Of Smoke
91°F
5 mph
SE
Friday Night
Jul 17
Areas Of Smoke
75°F
6 mph
SW
Saturday
Jul 18
Chance Showers And Thunderstorms
90°F
7 to 15 mph
SW
Saturday Night
Jul 18
Showers And Thunderstorms
69°F
7 to 14 mph
NW
Sunday
Jul 19
Sunny
84°F
8 mph
N
Sunday Night
Jul 19
Mostly Clear
62°F
3 to 8 mph
NE
Monday
Jul 20
Mostly Sunny
87°F
2 to 6 mph
S
Monday Night
Jul 20
Partly Cloudy then Chance Showers And Thunderstorms
71°F
5 to 9 mph
SW
Tuesday
Jul 21
Showers And Thunderstorms Likely
89°F
9 to 16 mph
SW
Tuesday Night
Jul 21
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
65°F
9 to 16 mph
NW
Wednesday
Jul 22
Mostly Sunny
80°F
9 to 14 mph
NW
Wednesday Night
Jul 22
Mostly Clear
59°F
3 to 13 mph
N
Thursday
Jul 23
Sunny
81°F
3 to 7 mph
N
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.