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Fort Tonoloy State Park, MD Weather Forecast
Fort Tonoloy State Park, MD Weather Forecast Date: 100 AM EDT Mon Aug 17 2026
The area/counties/county of: Washington, including the cities of: Hagerstown and Halfway.or toggle through each period.
Overnight... Mostly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Southwest winds around 5 mph. Chance of rain 20%.
Monday... Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. West winds 5 to 10 mph. Chance of rain 20%.
Monday Night... Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 60s. Northwest winds around 5 mph. Chance of rain 20%.
Tuesday... Mostly sunny. Highs in the mid 80s. Northwest winds 5 to 10 mph.
Tuesday Night... Mostly clear. Lows in the lower 60s. Northwest winds around 5 mph.
Wednesday... Sunny. Highs in the upper 80s.
Wednesday Night... Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40%.
Thursday... Showers likely with a chance of thunderstorms. Highs in the lower 80s. Chance of rain 70%.
Thursday Night... Mostly cloudy. Lows in the lower 60s.
Friday... Partly sunny. Highs in the upper 70s.
Friday Night... Mostly cloudy with a 30% chance of showers. Lows in the lower 60s.
Saturday... Partly sunny. Highs around 80.
Saturday Night... Mostly cloudy. Lows in the lower 60s.
POP = Probability of Precipitation
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