National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

54°F

12°C

Humidity 38%
Wind Speed N 17 mph
Barometer 30.33 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 17 Oct 5:47 pm EDT
Extended Forecast for

Monrovia MD

Freeze Warning October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Areas of frost after 2am. Otherwise, clear, with a low around 32. North wind 5 to 8 mph.

    Low: 32 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 58. North wind around 6 mph.

    High: 58 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 4am. Otherwise, clear, with a low around 35. Calm wind.

    Low: 35 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 62. North wind 3 to 8 mph.

    High: 62 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. North wind 5 to 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of frost after 2am. Otherwise, clear, with a low around 32. North wind 5 to 8 mph.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 58. North wind around 6 mph.
Sunday Night
Areas of frost after 4am. Otherwise, clear, with a low around 35. Calm wind.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 62. North wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 42. North wind 5 to 7 mph.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monrovia MD
 39.34°N 77.26°W (Elev. 548 ft)
Last Update:
6:40 pm EDT Oct 17, 2026
Forecast Valid:
7pm EDT Oct 17, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation