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

Critical Fire Weather Conditions Continue; Pacific Storm to Bring Heavy Snow to the Sierra-Nevada

Critical fire weather conditions are forecast for the Southern Plains and portions of Florida through Thursday, as gusty winds and dry conditions return to the region. A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast and central Great Basin, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

54°F

12°C

Humidity 28%
Wind Speed Vrbl 7 mph
Barometer 30.34 in (1029.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 21 Apr 12:56 pm EDT
Extended Forecast for

Gaithersburg MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. Southwest wind around 8 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. Southeast wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Scattered showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 72. Southwest wind around 7 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 72 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers before 8pm. Mostly clear, with a low around 52. Light northwest wind. Chance of precipitation is 30%.

    Low: 52 °F

    Scattered
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 62. Southwest wind around 8 mph.
Tonight
Increasing clouds, with a low around 50. Southeast wind 6 to 8 mph, with gusts as high as 18 mph.
Wednesday
Scattered showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 72. Southwest wind around 7 mph becoming west in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Scattered showers before 8pm. Mostly clear, with a low around 52. Light northwest wind. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Saturday Night
Showers. Low around 49. Chance of precipitation is 80%.
Sunday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 ft)
Last Update:
12:37 pm EDT Apr 21, 2026
Forecast Valid:
1pm EDT Apr 21, 2026-6pm EDT Apr 27, 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