Note: The Frost Advisory has expired for the DC region. The most recent advisory issuance before the expiration is below.
A Frost Advisory remains in effect to 9 am Friday, October 10, 2025 including the following jurisdictions.
MARYLAND: Frederick, Carroll, northern Baltimore, Cecil, northwest Montgomery, northwest Howard, Harford.
VIRGINIA: Fauquier, Loudoun, northwest Prince William.
Excerpted from the National Weather Service:
…FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING…
WHAT…Temperatures as low as 33 will result in frost formation.
WHERE…Portions of central, north central, northeast, and northern Maryland and northern Virginia.
WHEN…Until 9 AM EDT this morning.
IMPACTS…Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Take steps now to protect tender plants from the cold.