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

61°F

16°C

Humidity 84%
Wind Speed N 6 mph
Barometer 30.26 in (1024.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 3 Oct 11:54 am EDT
Extended Forecast for

Arnold MD

  • This Afternoon

    This Afternoon: A chance of showers after 4pm. Cloudy, with a high near 68. Northeast wind around 8 mph. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers after midnight. Mostly cloudy, with a low around 59. East wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 3pm. High near 66. Northeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Sunday Night

    Sunday Night: Cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Northwest wind 5 to 11 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

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

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers after 4pm. Cloudy, with a high near 68. Northeast wind around 8 mph. Chance of precipitation is 40%.
Tonight
A chance of showers after midnight. Mostly cloudy, with a low around 59. East wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Showers, mainly before 3pm. High near 66. Northeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 71. Northwest wind 5 to 11 mph.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arnold MD
 39.04°N 76.51°W (Elev. 98 ft)
Last Update:
10:54 am EDT Oct 3, 2026
Forecast Valid:
12pm EDT Oct 3, 2026-6pm EDT Oct 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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