Delaware County, OH Weather Forecast
County weather hub
Sunny
Compare major city weather across Delaware County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 91. West wind 1 to 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Delaware County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Delaware County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 11:55 AM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Delaware County
Wednesday looks like the warmest upcoming period in Delaware County at 94 degrees F.
Monday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Sunday at about 9 to 15 mph NW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 11:55 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 sourceExtended Forecast
Mostly clear, with a low around 70. West wind around 5 mph.
Sunny, with a high near 94. Heat index values as high as 101. West wind 3 to 8 mph.
Mostly clear, with a low around 73. Heat index values as high as 101. West wind 5 to 8 mph.
Sunny, with a high near 93. Northwest wind 3 to 8 mph.
Mostly clear, with a low around 72.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 14
|
Sunny
|
91°F |
1 to 5 mph
W
|
|
Tonight
Jul 14
|
Mostly Clear
|
70°F |
5 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
94°F |
3 to 8 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
73°F |
5 to 8 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
3 to 8 mph
NW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
5 to 8 mph
NE
|
|
Friday
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
91°F |
5 to 8 mph
SW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
71°F |
5 to 8 mph
W
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
89°F |
6 to 10 mph
SW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
71°F |
10 mph
W
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
86°F |
9 to 15 mph
NW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
66°F |
9 to 15 mph
NW
|
|
Monday
Jul 20
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
84°F |
8 to 14 mph
N
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
64°F |
7 to 14 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Delaware County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Delaware County.
Largest mapped city population in this region: 42,607.
