Saint Mary, KY Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Mary, KY in one place.
A chance of rain showers between 8am and 11am, then showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around 70 in the afternoon. Southwest wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Saint Mary, KY 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: Apr 17, 2026 2:41 AM EDT.
The active forecast window currently covers Apr 18 to Apr 23, 2026 for Saint Mary, KY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 23, 2026
- Latest sync
- Apr 17, 2026 2:41 AM EDT
- Forecast office
- LMK
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Mary
Thursday looks like the warmest upcoming period in Saint Mary at 80 degrees F.
Sunday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Saturday at about 6 to 13 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 17, 2026 2:41 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- 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
Showers and thunderstorms. Mostly cloudy, with a low around 41. Northwest wind 6 to 12 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 8am. Sunny, with a high near 62. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 40.
Sunny, with a high near 65.
Mostly clear, with a low around 44.
Mostly sunny, with a high near 76.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 77.
Mostly clear, with a low around 54.
Mostly sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
78°F |
6 to 13 mph
SW
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms
|
41°F |
6 to 12 mph
NW
|
|
Sunday
Apr 19
|
Chance Rain Showers then Sunny
|
62°F |
3 to 12 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
40°F |
2 to 9 mph
N
|
|
Monday
Apr 20
|
Sunny
|
65°F |
3 mph
N
|
|
Monday Night
Apr 20
|
Mostly Clear
|
44°F |
3 mph
E
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
76°F |
3 to 8 mph
S
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
54°F |
7 mph
SW
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
77°F |
5 to 9 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
54°F |
2 to 6 mph
SW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
80°F |
2 to 6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Mary.