| NWS Forecast for: St. Marys County Issued by: National Weather Service Baltimore, MD/Washington, D.C. Last Update: 225 AM EDT Sat Aug 8 2026 | |
| Overnight: Partly cloudy. Lows in the mid 70s. Southwest winds 5 to 10 mph. Saturday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Saturday Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. Sunday: Mostly sunny. Highs in the lower 90s. Southwest winds around 5 mph. Sunday Night: Partly cloudy. Lows in the mid 70s. Southwest winds around 5 mph. Monday: Mostly sunny. Highs in the lower 90s. Monday Night: Mostly clear. Lows in the upper 70s. Tuesday: Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 40 percent. Tuesday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40 percent. Wednesday: Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent. Wednesday Night: Mostly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 40 percent. Thursday: Mostly sunny. Highs in the upper 80s. Thursday Night: Mostly cloudy. Lows in the lower 70s. Friday: Mostly sunny with a 30 percent chance of showers. Highs in the mid 80s. | |
| Zone Forecast: St. Marys County | |
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