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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

60°F

16°C

Humidity 60%
Wind Speed S 9 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 13 May 1:54 am EDT
Extended Forecast for

Arnold MD

  • Overnight

    Overnight: Partly cloudy, with a low around 59. South wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 5pm. Increasing clouds, with a high near 75. Southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 75 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 2am, then a chance of showers. Low around 56. South wind 5 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. Northwest wind around 11 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. South wind 11 to 13 mph, with gusts as high as 23 mph.
Wednesday
A chance of showers, mainly after 5pm. Increasing clouds, with a high near 75. Southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Wednesday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 56. South wind 5 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 67. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 53. Northwest wind around 11 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arnold MD
 39.03°N 76.48°W (Elev. 89 ft)
Last Update:
2:23 am EDT May 13, 2026
Forecast Valid:
2am EDT May 13, 2026-6pm EDT May 19, 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