I-66 weather conditions near Gaithersburg, Maryland
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 37°F 2025-11-24T02:56:00-05:00 
Overnight 2025-11-24, Clear. Clear, with a low around 35. Northwest wind around 6 mph.
Monday 2025-11-24, Sunny. Sunny, with a high near 54. Northwest wind around 6 mph becoming calm in the afternoon.
Monday Night 2025-11-24, Mostly Cloudy. Mostly cloudy, with a low around 39. Calm wind becoming south around 6 mph after midnight.Tuesday 2025-11-25, Chance Rain then Rain. Rain, mainly after 1pm. High near 54. South wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night 2025-11-25, Rain Likely. Rain likely, mainly before 1am. Cloudy, with a low around 48. South wind around 7 mph. Chance of precipitation is 70%.
Wednesday 2025-11-26, Chance Rain. A chance of rain. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.- Wednesday Night 2025-11-26, Partly Cloudy. Partly cloudy, with a low around 35.
Thanksgiving Day 2025-11-27, Mostly Sunny. Mostly sunny, with a high near 43.
Thursday Night 2025-11-27, Mostly Clear. Mostly clear, with a low around 28.- Friday 2025-11-28, Sunny. Sunny, with a high near 39.
- Friday Night 2025-11-28, Mostly Clear. Mostly clear, with a low around 25.
- Saturday 2025-11-29, Mostly Sunny. Mostly sunny, with a high near 41.
- Saturday Night 2025-11-29, Mostly Cloudy. Mostly cloudy, with a low around 29.
Sunday 2025-11-30, Partly Sunny then Chance Rain. A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.