30.3 in (1026 HPa)
Observed at: Montgomery County Airpark, 5:56 am EDT.
Rockville Weather Forecast for Today
Areas of frost before 10am. Otherwise, mostly sunny, with a high near 56. Light west wind becoming south 5 to 10 mph in the morning.
Partly cloudy, with a low around 43. Southwest wind 6 to 9 mph.