Knox County, IN Weather Forecast
County weather hub
Mostly Cloudy
Compare major city weather across Knox County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly cloudy, with a high near 70. East northeast wind around 12 mph, with gusts as high as 18 mph.
County Weather Overview
This county weather page brings together forecast coverage for Knox County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Knox County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 21 to May 26, 2026
- Latest sync
- May 20, 2026 2:00 AM EDT
- Forecast office
- IND
- Source
- NOAA / NWS
Daily Outlook
This Week in Knox County
Tuesday looks like the warmest upcoming period in Knox County at 84 degrees F.
Thursday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Thursday at about 12 mph ENE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 20, 2026 2:00 AM EDT
- Coverage
- 6 days
- Time zone
- America/Indiana/Vincennes
- Forecast office
- IND
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers after 2am. Mostly cloudy, with a low around 57. East northeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 74. East southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Showers and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind around 9 mph. Chance of precipitation is 80%.
A chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 79. West southwest wind around 7 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 5 mph. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind around 3 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
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 84. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 21
|
Mostly Cloudy
|
70°F |
12 mph
ENE
|
|
Thursday Night
May 21
|
Mostly Cloudy then Chance Rain Showers
|
57°F |
10 mph
ENE
|
|
Friday
May 22
|
Showers And Thunderstorms
|
74°F |
9 mph
ESE
|
|
Friday Night
May 22
|
Showers And Thunderstorms
|
62°F |
9 mph
SSW
|
|
Saturday
May 23
|
Slight Chance Showers And Thunderstorms
|
79°F |
7 mph
WSW
|
|
Saturday Night
May 23
|
Chance Showers And Thunderstorms
|
63°F |
5 mph
SW
|
|
Sunday
May 24
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
80°F |
3 mph
S
|
|
Sunday Night
May 24
|
Chance Showers And Thunderstorms
|
64°F |
3 mph
SE
|
|
Memorial Day
May 25
|
Showers And Thunderstorms Likely
|
81°F |
6 mph
E
|
|
Monday Night
May 25
|
Showers And Thunderstorms Likely
|
66°F |
6 mph
ESE
|
|
Tuesday
May 26
|
Chance Showers And Thunderstorms
|
84°F |
7 mph
SSE
|
Major City Forecasts
Live forecast snapshots for major cities across Knox County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Knox County.
Largest mapped city population in this region: 2,832.
