I-66 weather conditions near Bethesda, Maryland
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 78°F 2025-09-05T10:55:00-04:00 
Today 2025-09-05, Sunny. Sunny, with a high near 88. Southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Tonight 2025-09-05, Mostly Clear. Mostly clear, with a low around 70. South wind around 6 mph.Saturday 2025-09-06, Slight Chance Showers then Showers. A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night 2025-09-06, Showers then Chance Showers. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 60. Northwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday 2025-09-07, Partly Sunny. Partly sunny, with a high near 74. Northwest wind around 7 mph.- Sunday Night 2025-09-07, Mostly Clear. Mostly clear, with a low around 53.
- Monday 2025-09-08, Sunny. Sunny, with a high near 74.
- Monday Night 2025-09-08, Mostly Clear. Mostly clear, with a low around 53.
- Tuesday 2025-09-09, Sunny. Sunny, with a high near 75.
Tuesday Night 2025-09-09, Partly Cloudy. Partly cloudy, with a low around 55.- Wednesday 2025-09-10, Partly Sunny. Partly sunny, with a high near 74.
- Wednesday Night 2025-09-10, Partly Cloudy. Partly cloudy, with a low around 56.
- Thursday 2025-09-11, Mostly Sunny. Mostly sunny, with a high near 80.