Jefferson County, IN Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Jefferson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 77.
County Weather Overview
This county weather page brings together forecast coverage for Jefferson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Jefferson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 1 to Jun 2, 2026
- Latest sync
- May 26, 2026 8:17 PM EDT
- Forecast office
- LMK
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson County
Monday looks like the warmest upcoming period in Jefferson County at 77 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 8 mph NE.
The forecast from Jun 1 through Jun 2 stays mostly dry.
Forecast Details
- Last updated
- May 26, 2026 8:17 PM EDT
- Coverage
- 2 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- LMK
- Radar station
- KLVX
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 54.
Sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Mostly Sunny
|
77°F |
2 to 7 mph
NE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
54°F |
6 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
76°F |
3 to 8 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Jefferson County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Jefferson County.
Largest mapped city population in this region: 11,750.