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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Overcast

63°F

17°C

Humidity 78%
Wind Speed N 6 mph
Barometer 30.25 in (1024.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 3 Oct 1:54 pm EDT
Extended Forecast for

Arnold MD

  • This Afternoon

    This Afternoon: A chance of showers, mainly after 5pm. Cloudy, with a high near 65. Northeast wind around 8 mph. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers after midnight. Mostly cloudy, with a low around 60. East wind around 6 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 66. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Patchy fog before midnight. Otherwise, cloudy, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Patchy Fog
    then Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, mainly after 5pm. Cloudy, with a high near 65. Northeast wind around 8 mph. Chance of precipitation is 30%.
Tonight
A chance of showers after midnight. Mostly cloudy, with a low around 60. East wind around 6 mph. Chance of precipitation is 50%.
Sunday
Showers likely, mainly before 11am. Patchy fog before 11am. Otherwise, cloudy, with a high near 66. Northeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Patchy fog before midnight. Otherwise, cloudy, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 70. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
Clear, with a low around 52.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arnold MD
 39.05°N 76.48°W (Elev. 98 ft)
Last Update:
2:23 pm EDT Oct 3, 2026
Forecast Valid:
2pm EDT Oct 3, 2026-6pm EDT Oct 9, 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