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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Overcast

76°F

24°C

Humidity 100%
Wind Speed N 7 mph
Barometer 30.11 in
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index75°F (24°C)
Last update 18 Sep 11:15 am EDT
Extended Forecast for

3 Miles SSW Fawn Grove PA

  • Today

    Today: Partly sunny, with a high near 81. North wind around 9 mph.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. North wind around 8 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 75. East wind around 6 mph.

    High: 75 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 62. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 76. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 76 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 81. North wind around 9 mph.
Tonight
Partly cloudy, with a low around 56. North wind around 8 mph.
Saturday
Partly sunny, with a high near 75. East wind around 6 mph.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 62. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 76. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Chance of precipitation is 80%.
Monday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Fawn Grove PA
 39.7°N 76.48°W (Elev. 554 ft)
Last Update:
10:53 am EDT Sep 18, 2026
Forecast Valid:
11am EDT Sep 18, 2026-6pm EDT Sep 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