Saint Mary s County, MD Weather Forecast
County weather hub
Chance Rain Showers
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A chance of rain showers before 5am, then patchy fog. Cloudy, with a low around 65. Southeast wind around 7 mph. Chance of precipitation is 30%.
County Weather Overview
This county weather page brings together forecast coverage for Saint Mary's County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Saint Mary's County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 16 to Oct 22, 2026
- Latest sync
- Oct 16, 2026 2:39 AM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Mary's County
Friday looks like the warmest upcoming period in Saint Mary's County at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Saturday at about 22 to 26 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 16, 2026 2:39 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- LWX
- Radar station
- KDOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog and a slight chance of rain showers before 10am. Partly sunny, with a high near 80. Southwest wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Showers and thunderstorms after 8pm. Mostly cloudy. Low around 53, with temperatures rising to around 60 overnight. West wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 2pm. Mostly sunny, with a high near 56. North wind 22 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 48. North wind 16 to 22 mph, with gusts as high as 29 mph.
Sunny, with a high near 57.
Mostly clear, with a low around 50.
Sunny, with a high near 63.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 67.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 16
|
Chance Rain Showers
|
65°F |
7 mph
SE
|
|
Friday
Oct 16
|
Patchy Fog then Partly Sunny
|
80°F |
8 to 14 mph
SW
|
|
Friday Night
Oct 16
|
Showers And Thunderstorms
|
53°F |
15 to 21 mph
W
|
|
Saturday
Oct 17
|
Rain Showers Likely
|
56°F |
22 to 26 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
48°F |
16 to 22 mph
N
|
|
Sunday
Oct 18
|
Sunny
|
57°F |
9 to 15 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
50°F |
3 to 9 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
63°F |
7 mph
NE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
53°F |
8 mph
NE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
67°F |
6 to 9 mph
N
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
56°F |
6 to 9 mph
N
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
67°F |
12 mph
N
|
|
Wednesday Night
Oct 21
|
Partly Cloudy
|
55°F |
8 mph
NE
|
|
Thursday
Oct 22
|
Mostly Sunny
|
66°F |
6 to 9 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Mary's County.
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Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Saint Mary's County.