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

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

40°F

4°C

Humidity 67%
Wind Speed N 8 mph
Barometer 30.50 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Oct 6:15 am EDT
Extended Forecast for

2 Miles SSE Delta PA

Freeze Warning October 18, 06:37am until October 18, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning October 18, 06:37am until October 18, 09:00am

    NOW until 9:00am Sun

    Freeze Warning

  • Today

    High: 60 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 38. Calm wind.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. North wind 6 to 9 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. North wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 67. North wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 67 °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 63.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Today
Widespread frost, mainly between 7am and 9am. Otherwise, sunny, with a high near 60. North wind around 6 mph.
Tonight
Clear, with a low around 38. Calm wind.
Monday
Sunny, with a high near 64. North wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 45. North wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 67. North wind 10 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Delta PA
 39.7°N 76.3°W (Elev. 397 ft)
Last Update:
4:53 am EDT Oct 18, 2026
Forecast Valid:
6am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation