| NWS Forecast for: Frederick County Issued by: National Weather Service Baltimore, MD/Washington, D.C. Last Update: 455 PM EDT Sat Sep 19 2026 |  |
| Rest Of This Afternoon: Mostly cloudy. Highs in the mid 70s. Southeast winds around 5 mph. Tonight: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 40 percent. Sunday: Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. South winds 10 to 15 mph. Chance of rain 50 percent. Sunday Night: A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 50s. West winds 5 to 10 mph, becoming north after midnight. Chance of rain 50 percent. Monday: Mostly cloudy. A chance of showers in the afternoon. Highs around 70. Northeast winds around 10 mph. Chance of rain 40 percent. Monday Night: Cloudy with a 50 percent chance of showers. Lows in the mid 50s. Tuesday: Showers likely. Highs in the lower 60s. Chance of rain 70 percent. Tuesday Night: Cloudy with a 50 percent chance of showers. Lows in the lower 50s. Wednesday: Mostly cloudy with a 50 percent chance of showers. Highs in the upper 50s. Wednesday Night: Mostly cloudy with a 40 percent chance of showers. Lows in the lower 50s. Thursday: Mostly cloudy. Highs around 60. Thursday Night: Mostly cloudy. Lows around 50. Friday: Partly sunny with a 30 percent chance of showers. Highs in the mid 60s. | |
| Zone Forecast: Frederick County | |
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