Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.
Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >
Current conditions at
St Marys County Airport (K2W6)
Lat: 38.32°NLon: 76.55°WElev: 144ft.
Fair
78°F
26°C
| Humidity | 75% |
| Wind Speed | Vrbl 6 mph |
| Barometer | 30.15 in |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 19 May 1:15 am EDT |
Extended Forecast for
Chaptico MD
Overnight
Low: 71 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny
Tuesday Night
Low: 72 °F
Mostly Clear
Wednesday
High: 94 °F
Sunny then
Chance
T-stormsWednesday Night
Low: 58 °F
Showers
LikelyThursday
High: 67 °F
Showers
LikelyThursday Night
Low: 52 °F
Chance
ShowersFriday
High: 65 °F
Showers
LikelyFriday Night
Low: 53 °F
Showers
Likely
Detailed Forecast
Overnight
Mostly clear, with a low around 71. South wind around 7 mph.
Tuesday
Sunny, with a high near 95. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 72. South wind around 9 mph, with gusts as high as 18 mph.
Wednesday
A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 94. Southwest wind 6 to 9 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 58. North wind 3 to 6 mph. Chance of precipitation is 70%.
Thursday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Chaptico MD
38.37°N 76.77°W (Elev. 95 ft)
38.37°N 76.77°W (Elev. 95 ft)
10:53 pm EDT May 18, 2026
1am EDT May 19, 2026-6pm EDT May 25, 2026
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