Washington County, IN Weather Forecast
County weather hub
Slight Chance Showers And Thunderstorms
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms between 10am and 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 81. Southeast wind 2 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Washington 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 Washington County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 9:32 AM EDT
- Forecast office
- LMK
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Today looks like the warmest upcoming period in Washington County at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 10 to 15 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 9:32 AM EDT
- Coverage
- 7 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
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy. Low around 53, with temperatures rising to around 65 overnight. Southwest wind 6 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 2pm. Mostly cloudy, with a high near 59. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a low around 38. Northwest wind around 10 mph, with gusts as high as 21 mph.
Sunny, with a high near 55. North wind 6 to 9 mph.
Clear, with a low around 33.
Sunny, with a high near 62.
Mostly clear, with a low around 38.
Sunny, with a high near 67.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 68.
Mostly clear, with a low around 42.
Sunny, with a high near 70.
Mostly clear, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Slight Chance Showers And Thunderstorms
|
81°F |
2 to 7 mph
SE
|
|
Tonight
Oct 15
|
Chance Showers And Thunderstorms
|
53°F |
6 to 12 mph
SW
|
|
Friday
Oct 16
|
Chance Rain Showers
|
59°F |
10 to 15 mph
W
|
|
Friday Night
Oct 16
|
Mostly Cloudy
|
38°F |
10 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
55°F |
6 to 9 mph
N
|
|
Saturday Night
Oct 17
|
Clear
|
33°F |
1 to 5 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
62°F |
5 mph
SE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
38°F |
2 mph
SE
|
|
Monday
Oct 19
|
Sunny
|
67°F |
5 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
41°F |
1 mph
E
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
68°F |
2 mph
E
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
42°F |
1 mph
NE
|
|
Wednesday
Oct 21
|
Sunny
|
70°F |
2 mph
E
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
44°F |
1 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Washington County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Washington County.
Largest mapped city population in this region: 1,392.